"Pseudo-MPEC" for Neptune I
Created Wed Jun 02 12:10:18 2004 using Find_Orb
Astrometry
Observing stations
Orbital elements
Residuals
Ephemeris
Astrometry:
N001S C1999 05 31.47131520 25 55.238-18 55 32.04 689
N001S C1999 06 1.46854920 25 51.137-18 55 51.95 689
N001S C1999 06 7.45215620 25 29.605-18 57 07.60 689
N001S C1999 06 8.44890920 25 24.619-18 57 16.65 689
N001S C1999 06 9.44613220 25 20.572-18 57 17.83 689
N001S C1999 06 10.44359020 25 17.445-18 57 24.66 689
N001S C1999 06 11.44081020 25 14.193-18 57 44.99 689
N001S C1999 06 12.43850220 25 09.770-18 58 13.56 689
N001S C1999 06 13.43524920 25 04.251-18 58 36.20 689
N001S C1999 06 17.42364020 24 46.697-18 59 22.95 689
N001S C1999 06 18.42156120 24 41.564-18 59 53.19 689
N001S C1999 06 19.41818320 24 35.463-19 00 16.09 689
N001S C1999 06 20.41574920 24 29.510-19 00 26.24 689
N001S C1999 06 21.41296520 24 24.597-19 00 31.20 689
N001S C1999 06 22.40993220 24 20.499-19 00 44.55 689
N001S C1999 06 23.40725820 24 16.005-19 01 11.49 689
N001S C1999 06 26.39899720 23 57.306-19 02 16.77 689
N001S C1999 06 27.39561120 23 52.072-19 02 23.45 689
N001S C1999 06 28.39293320 23 47.581-19 02 39.77 689
N001S C1999 06 29.39084520 23 42.561-19 03 09.38 689
N001S C1999 07 5.37381520 23 06.789-19 05 14.97 689
N001S C1999 07 7.36833020 22 52.638-19 06 11.24 689
N001S C1999 07 20.33233820 21 27.932-19 10 48.49 689
N001S C1999 07 21.32870420 21 22.113-19 11 01.17 689
N001S C1999 07 22.43379620 21 15.963-19 11 30.10 673
N001S C1999 07 22.43675920 21 15.936-19 11 30.32 673
N001S C1999 07 22.45093820 21 15.853-19 11 30.80 673
N001S C1999 07 23.32367920 21 10.203-19 12 02.05 689
N001S C1999 08 1.29805920 20 07.944-19 15 21.07 689
N001S C1999 08 3.29232620 19 56.771-19 16 03.86 689
N001S C1999 08 7.28122020 19 28.476-19 17 35.40 689
N001S C1999 08 8.27888820 19 23.059-19 17 51.07 689
N001S C1999 08 11.27047520 19 03.481-19 19 23.03 689
N001S C1999 08 13.26498520 18 50.057-19 19 46.14 689
N001S C1999 08 14.26099920 18 44.928-19 20 02.57 689
N001S C1999 08 16.25598620 18 33.118-19 21 05.83 689
N001S C1999 08 18.25038420 18 18.932-19 21 43.90 689
N001S C1999 08 21.24151420 18 03.374-19 22 37.60 689
N001S C1999 08 27.22521220 17 29.413-19 24 35.83 689
N001S C1999 09 2.20787620 16 58.165-19 26 25.04 689
N001S C1999 09 4.20242120 16 46.602-19 27 10.76 689
N001S C1999 09 5.19963720 16 41.347-19 27 15.69 689
N001S C1999 09 6.19685220 16 37.388-19 27 20.87 689
N001S C1999 09 7.19430720 16 34.028-19 27 36.89 689
N001S C1999 09 8.19223520 16 30.043-19 28 04.13 689
N001S C1999 09 13.17786920 16 08.981-19 29 05.90 689
N001S C1999 09 16.16954920 15 56.193-19 30 04.60 689
N001S C1999 09 18.16400820 15 49.958-19 30 06.97 689
N001S C1999 09 25.14466020 15 30.851-19 31 25.18 689
N001S C1999 09 26.14213920 15 28.493-19 31 46.98 689
N001S C1999 09 28.13674420 15 21.996-19 32 05.70 689
N001S C1999 10 1.12789420 15 18.305-19 32 14.05 689
N001S C1999 10 2.12478920 15 16.584-19 32 33.49 689
N001S C1999 10 4.12036020 15 11.644-19 32 44.71 689
N001S C1999 10 5.11654920 15 10.517-19 32 36.95 689
N001S C1999 10 6.11380620 15 10.494-19 32 35.87 689
N001S C1999 10 11.10129520 15 05.916-19 32 58.31 689
N001S C1999 10 12.09737620 15 06.721-19 32 56.14 689
N001S C1999 10 13.09582920 15 07.367-19 33 06.42 689
N001S C1999 10 16.08764020 15 05.434-19 33 16.04 689
N001S C1999 10 22.07047820 15 09.795-19 33 07.92 689
N001S C1999 10 23.06776020 15 11.537-19 32 53.50 689
N001S C1999 10 24.06504520 15 14.081-19 32 48.85 689
N001S C1999 10 25.06280720 15 16.167-19 32 55.60 689
N001S C2001 06 20.42475720 42 54.361-18 01 57.66 673
N001S C2001 06 20.43621520 42 54.316-18 01 57.95 673
N001S C2001 06 20.44489620 42 54.281-18 01 58.14 673
N001S C2001 07 15.35903920 40 33.850-18 11 24.94 673
N001S C2001 07 15.36701420 40 33.794-18 11 25.26 673
N001S C2001 08 10.20990720 37 41.998-18 22 17.15 673
N001S C2001 08 10.21360020 37 41.973-18 22 17.20 673
N001S C2001 08 10.21731520 37 41.948-18 22 17.21 673
N001S C2001 08 11.28593720 37 35.588-18 22 30.35 673
N001S C2001 08 11.29905120 37 35.515-18 22 30.52 673
N001S C2001 08 11.31004620 37 35.454-18 22 30.72 673
N001S C2001 08 12.25140020 37 30.507-18 22 52.37 673
N001S C2001 08 12.26285920 37 30.442-18 22 52.75 673
N001S C2001 08 12.27223420 37 30.392-18 22 53.01 673
N001S C2001 08 13.27100720 37 24.542-18 23 28.31 673
N001S C2001 08 13.28427120 37 24.457-18 23 28.87 673
N001S C2001 08 28.26038220 35 51.366-18 29 14.96 673
N001S C2001 08 28.26854220 35 51.321-18 29 15.03 673
N001S C2001 08 28.27546320 35 51.287-18 29 15.08 673
N001S C2002 06 22.40567920 51 52.659-17 31 21.50 673
N001S C2002 06 22.43154720 51 52.505-17 31 21.96 673
N001S C2002 07 14.31354320 49 53.789-17 39 23.30 673
N001S C2002 07 14.31849020 49 53.921-17 39 24.26 x 673
N001S C2002 07 14.32941320 49 53.689-17 39 23.95 673
N001S C2002 07 20.37967620 49 15.568-17 42 01.93 673
N001S C2002 07 20.38629120 49 15.521-17 42 02.24 673
N001S C2002 07 21.37507920 49 08.311-17 42 38.46 673
N001S C2002 07 21.38172420 49 08.260-17 42 38.64 673
N001S C2003 09 20.18661820 52 20.528-17 34 25.84 673
N001S C2003 09 20.19497620 52 20.502-17 34 25.90 673
N001S C2003 09 21.20736520 52 17.640-17 34 41.63 673
N001S C2003 09 21.21613720 52 17.613-17 34 41.81 673
N001S C2003 10 10.14584820 51 24.235-17 38 46.51 673
N001S C2003 10 10.15063420 51 24.223-17 38 46.62 673
N001S C2003 10 11.13773220 51 21.690-17 39 02.72 673
N001S C2003 10 11.14339420 51 21.672-17 39 02.79 673
N001S C2003 10 12.16745620 51 19.115-17 39 05.29 673
N001S C2003 10 12.17349320 51 19.100-17 39 05.29 673
N001S C2003 11 7.15198320 51 29.168-17 38 27.91 673
N001S C2003 11 7.15919420 51 29.193-17 38 27.91 673
N001S C2003 11 8.10333520 51 31.769-17 38 29.86 673
N001S C2003 11 8.11010420 51 31.784-17 38 29.89 673
N001S C2004 05 30.46979921 11 04.419-16 17 59.81 673
N001S C2004 05 30.47315121 11 04.417-16 17 59.83 673
N001S C2004 05 30.47645321 11 04.415-16 17 59.86 673
Station data:
(673) Table Mountain Observatory, Wrightwood (N34.3816 W117.6809). Observers
G. L. Grasdalen, R. C. Dumas, A. M. Sullivan, S. B. Santos, W. M. Owen Jr.,
M. O. Balancio, C. A. Vazquez. Measurers W. M. Owen Jr., R. C. Dumas.
0.61-m f/16 reflector + CCD.
(689) U.S. Naval Observatory, Flagstaff (N35.1840 W111.7399). 0.20-m
refractor.
Orbital elements:
Neptune I
Perineptune 2002 Nov 19.822673 TT
Epoch 2002 Nov 22.0 TT = JDT 2452600.5 Find_Orb
M 133.36837 (2000.0) P Q
n 61.25325777 Peri. 158.27202 0.59382779 0.66482785
a 0.0023715 Node 217.08356 0.58198309 0.03400375
e 0.0036263 Incl. 131.27353 0.55557558 -0.74622226
P 5.88d q 0.0023629
From 108 observations 1999 May. 31-2004 May. 30; RMS error 0.398 arcseconds
Residuals in arcseconds:
990531 689 .03- .15+ 990821 689 .36- .27+ 010811 673 .11+ .12+
990601 689 .43+ .42+ 990827 689 .37- .34+ 010812 673 .13- .04+
990607 689 .60+ .18+ 990902 689 .28- .43+ 010812 673 .16- .00
990608 689 .44+ .36- 990904 689 .60+ .28- 010812 673 .15- .03+
990609 689 .11+ .38- 990905 689 .19+ .19- 010813 673 .30- .07+
990610 689 .42- .02- 990906 689 .45- .26- 010813 673 .27- .02+
990611 689 .47- .55+ 990907 689 .68- .29+ 010828 673 .24+ .05+
990612 689 .00 .37+ 990908 689 .17- .34+ 010828 673 .21+ .05+
990613 689 .38+ .08- 990913 689 .59- .10+ 010828 673 .25+ .05+
990617 689 .46- .15+ 990916 689 .50+ .42- 020622 673 .04+ .03-
990618 689 .19- .20+ 990918 689 .40- .08+ 020622 673 .04+ .02-
990619 689 .41+ .03+ 990925 689 .45- .18+ 020714 673 .33- .16-
990620 689 .51+ .30- 990926 689 .00 .18+ 020714 673( 2.0+ .92-)
990621 689 .10- .24- 990928 689 .38+ .29- 020714 673 .30- .18-
990622 689 .41- .01- 991001 689 .46- .12+ 020720 673 .27- .16-
990623 689 .45- .15+ 991002 689 .12+ .04+ 020720 673 .29- .20-
990626 689 .33+ .20- 991004 689 .45+ .38- 020721 673 .05- .04-
990627 689 .32- .06- 991005 689 .12- .15- 020721 673 .05- .02-
990628 689 .36- .14+ 991006 689 .37- .29+ 030920 673 .55+ .20+
990629 689 .29- .21+ 991011 689 .27+ .28- 030920 673 .54+ .21+
990705 689 .12- .37+ 991012 689 .34- .01+ 030921 673 .17+ .18-
990707 689 .59+ .09- 991013 689 .34- .18+ 030921 673 .16+ .16-
990720 689 .29+ .46- 991016 689 .36+ .25- 031010 673 .38- .28-
990721 689 .51- .19- 991022 689 .19+ .29- 031010 673 .39- .29-
990722 673 .60- .15+ 991023 689 .15- .21- 031011 673 .21- .01-
990722 673 .73- .03+ 991024 689 .11- .07+ 031011 673 .23- .02-
990722 673 .69- .02+ 991025 689 .13- .25+ 031012 673 .14+ .30+
990723 689 .10- .32+ 010620 673 .19- .03- 031012 673 .11+ .28+
990801 689 .02- .28- 010620 673 .21- .04- 031107 673 .14+ .16-
990803 689 .21- .38+ 010620 673 .24- .01- 031107 673 .18+ .19-
990807 689 .05- .16- 010715 673 .09- .01+ 031108 673 .29- .26-
990808 689 .37- .04+ 010715 673 .08- .01- 031108 673 .28- .26-
990811 689 .66+ .14+ 010810 673 .26+ .06+ 040530 673 .37+ .00
990813 689 .11- .06- 010810 673 .25+ .05+ 040530 673 .37+ .00
990814 689 .40- .08- 010810 673 .25+ .09+ 040530 673 .37+ .00
990816 689 .08- .38+ 010811 673 .14+ .09+
990818 689 .23+ .22- 010811 673 .12+ .14+
Ephemerides:
Da Mon Year RA Dec delta r elong mag
-- --- ---- ------------ ------------ ------ ------ ----- ---
2 Jun 2004 21 10 59.921 -16 18 47.19 29.607 30.073 116.5
3 Jun 2004 21 10 56.792 -16 18 56.65 29.591 30.072 117.4
4 Jun 2004 21 10 54.363 -16 18 54.87 29.574 30.070 118.4
5 Jun 2004 21 10 52.925 -16 18 54.36 29.559 30.070 119.4
6 Jun 2004 21 10 51.622 -16 19 06.98 29.545 30.071 120.4
7 Jun 2004 21 10 49.322 -16 19 31.51 29.532 30.072 121.3
8 Jun 2004 21 10 45.813 -16 19 54.77 29.518 30.073 122.3
9 Jun 2004 21 10 42.023 -16 20 05.53 29.503 30.071 123.2
10 Jun 2004 21 10 39.040 -16 20 06.08 29.487 30.070 124.2
11 Jun 2004 21 10 37.004 -16 20 09.70 29.473 30.070 125.2
12 Jun 2004 21 10 34.959 -16 20 27.16 29.460 30.071 126.2
13 Jun 2004 21 10 31.825 -16 20 55.34 29.448 30.072 127.1
14 Jun 2004 21 10 27.550 -16 21 20.38 29.435 30.072 128.1
15 Jun 2004 21 10 23.151 -16 21 32.33 29.421 30.071 129.0
16 Jun 2004 21 10 19.652 -16 21 35.26 29.406 30.070 130.0
17 Jun 2004 21 10 17.042 -16 21 43.02 29.393 30.069 131.0
18 Jun 2004 21 10 14.276 -16 22 05.09 29.382 30.071 132.0
19 Jun 2004 21 10 10.350 -16 22 36.48 29.371 30.072 132.9
20 Jun 2004 21 10 05.369 -16 23 02.93 29.358 30.072 133.9
21 Jun 2004 21 10 00.426 -16 23 15.90 29.345 30.071 134.9
22 Jun 2004 21 09 56.462 -16 23 21.22 29.332 30.069 135.8
23 Jun 2004 21 09 53.312 -16 23 33.05 29.320 30.069 136.8
24 Jun 2004 21 09 49.862 -16 23 59.39 29.310 30.071 137.8
25 Jun 2004 21 09 45.201 -16 24 33.50 29.300 30.072 138.8
26 Jun 2004 21 09 39.590 -16 25 00.94 29.289 30.072 139.7
27 Jun 2004 21 09 34.178 -16 25 14.74 29.277 30.070 140.7
28 Jun 2004 21 09 29.807 -16 25 22.41 29.265 30.069 141.7
29 Jun 2004 21 09 26.162 -16 25 38.16 29.255 30.069 142.7
30 Jun 2004 21 09 22.075 -16 26 08.38 29.246 30.071 143.7
1 Jul 2004 21 09 16.745 -16 26 44.65 29.237 30.072 144.6
2 Jul 2004 21 09 10.588 -16 27 12.64 29.227 30.071 145.6
3 Jul 2004 21 09 04.786 -16 27 27.09 29.217 30.070 146.5
4 Jul 2004 21 09 00.069 -16 27 37.04 29.206 30.069 147.5
5 Jul 2004 21 08 55.971 -16 27 56.53 29.198 30.069 148.5
6 Jul 2004 21 08 51.297 -16 28 30.18 29.191 30.071 149.5
7 Jul 2004 21 08 45.369 -16 29 08.06 29.183 30.072 150.5
8 Jul 2004 21 08 38.747 -16 29 36.21 29.175 30.071 151.4
9 Jul 2004 21 08 32.631 -16 29 51.18 29.165 30.070 152.4
10 Jul 2004 21 08 27.622 -16 30 03.35 29.156 30.069 153.4
11 Jul 2004 21 08 23.117 -16 30 26.36 29.149 30.069 154.4
12 Jul 2004 21 08 17.909 -16 31 02.96 29.144 30.071 155.4
13 Jul 2004 21 08 11.457 -16 31 41.92 29.138 30.072 156.3
14 Jul 2004 21 08 04.460 -16 32 09.86 29.131 30.071 157.3
15 Jul 2004 21 07 58.109 -16 32 25.19 29.123 30.069 158.2
16 Jul 2004 21 07 52.873 -16 32 39.50 29.116 30.069 159.3
17 Jul 2004 21 07 48.015 -16 33 05.74 29.111 30.070 160.3
18 Jul 2004 21 07 42.340 -16 33 44.77 29.107 30.071 161.3
19 Jul 2004 21 07 35.454 -16 34 24.21 29.102 30.072 162.2
20 Jul 2004 21 07 28.181 -16 34 51.55 29.097 30.071 163.1
21 Jul 2004 21 07 21.687 -16 35 07.09 29.090 30.069 164.1
22 Jul 2004 21 07 16.294 -16 35 23.38 29.085 30.068 165.2
23 Jul 2004 21 07 11.147 -16 35 52.50 29.082 30.070 166.2
24 Jul 2004 21 07 05.083 -16 36 33.36 29.080 30.071 167.1
25 Jul 2004 21 06 57.864 -16 37 12.68 29.077 30.071 168.1
26 Jul 2004 21 06 50.421 -16 37 39.03 29.073 30.070 169.0
27 Jul 2004 21 06 43.877 -16 37 54.58 29.068 30.069 170.0
28 Jul 2004 21 06 38.402 -16 38 12.67 29.065 30.068 171.1
29 Jul 2004 21 06 33.034 -16 38 44.24 29.064 30.070 172.1
30 Jul 2004 21 06 26.665 -16 39 26.30 29.063 30.071 173.1
31 Jul 2004 21 06 19.214 -16 40 04.92 29.062 30.071 173.9
1 Aug 2004 21 06 11.708 -16 40 29.94 29.059 30.070 174.8
2 Aug 2004 21 06 05.202 -16 40 45.35 29.056 30.068 175.8
3 Aug 2004 21 05 59.713 -16 41 05.04 29.055 30.068 177.1
4 Aug 2004 21 05 54.188 -16 41 38.64 29.056 30.070 178.4
5 Aug 2004 21 05 47.594 -16 42 21.29 29.057 30.071 179.4
6 Aug 2004 21 05 40.011 -16 42 58.66 29.057 30.071 179.0
7 Aug 2004 21 05 32.540 -16 43 22.06 29.056 30.069 178.4
8 Aug 2004 21 05 26.155 -16 43 37.21 29.055 30.068 177.9
9 Aug 2004 21 05 20.716 -16 43 58.31 29.056 30.068 177.4
10 Aug 2004 21 05 15.102 -16 44 33.49 29.058 30.070 176.4
11 Aug 2004 21 05 08.369 -16 45 16.13 29.061 30.071 175.3
12 Aug 2004 21 05 00.758 -16 45 51.75 29.063 30.071 174.1
13 Aug 2004 21 04 53.426 -16 46 13.25 29.063 30.069 173.1
14 Aug 2004 21 04 47.249 -16 46 28.01 29.064 30.068 172.2
15 Aug 2004 21 04 41.932 -16 46 50.27 29.067 30.068 171.3
16 Aug 2004 21 04 36.303 -16 47 26.54 29.071 30.070 170.3
17 Aug 2004 21 04 29.527 -16 48 08.52 29.076 30.071 169.3
18 Aug 2004 21 04 21.999 -16 48 41.87 29.079 30.070 168.2