"Pseudo-MPEC" for Uranus XVIII
Created Sat Mar 06 10:11:16 2004 using Find_Orb
Astrometry
Observing stations
Orbital elements
Residuals
Ephemeris
Astrometry:
U018S 1999 07 18.52608 21 12 55.15 -16 47 38.5 568
U018S 1999 07 18.55337 21 12 54.91 -16 47 39.5 23.4 R 568
U018S 1999 07 18.58036 21 12 54.65 -16 47 40.5 568
U018S 1999 08 8.35032 21 09 39.06 -17 01 49.9 23.0 R 675
U018S 1999 08 8.45389 21 09 38.04 -17 01 53.8 23.3 R 675
U018S 1999 08 8.45897 21 09 37.99 -17 01 54.2 23.4 R 675
U018S 1999 08 9.30043 21 09 29.88 -17 02 28.0 23.0 R 675
U018S 1999 08 9.33244 21 09 29.55 -17 02 29.2 23.3 R 675
U018S 1999 09 2.15840 21 05 48.91 -17 17 49.5 695
U018S 1999 09 2.17566 21 05 48.77 -17 17 50.1 695
U018S 1999 09 2.18331 21 05 48.71 -17 17 50.3 695
U018S 1999 09 3.13313 21 05 40.71 -17 18 23.0 r 695
U018S 1999 09 3.15951 21 05 40.44 -17 18 24.0 695
U018S 1999 09 3.17465 21 05 40.32 -17 18 24.2 695
U018S 1999 10 15.08167 21 01 52.36 -17 32 48.5 695
U018S 1999 10 15.11494 21 01 52.27 -17 32 48.4 695
U018S 1999 10 15.14692 21 01 52.21 -17 32 48.5 695
U018S 2000 05 27.44653 21 32 43.50 -15 09 11.0 695
U018S 2000 05 28.44771 21 32 42.91 -15 09 15.9 23.0 695
U018S 2000 05 29.44628 21 32 42.11 -15 09 20.9 695
U018S 2000 06 28.14743 21 30 56.41 -15 18 28.0 23.2 R 950
U018S 2000 06 28.17575 21 30 56.23 -15 18 28.4 23.3 R 950
U018S 2000 06 28.20430 21 30 56.07 -15 18 29.3 23.3 R 950
U018S C2000 12 18.07520 21 21 39.85 -16 00 43.4 23.2 R 695
U018S C2000 12 18.08038 21 21 39.90 -16 00 42.9 695
U018S C2000 12 18.08590 21 21 39.94 -16 00 42.6 695
U018S C2001 07 24.51820 21 44 43.29 -14 18 35.6 568
U018S C2001 07 24.56063 21 44 42.93 -14 18 37.6 23.0 R 568
U018S C2001 07 24.60303 21 44 42.56 -14 18 39.5 23.3 R 568
U018S C2003 08 29.33970 22 12 25.46 -12 04 27.4 23.2 R 568
Station data:
(568) Mauna Kea (N19.8262 W155.4722). Observer JJ Kavelaars. CFHT 3.6m +
CCD.
(675) Palomar Mountain (N33.3561 W116.8640).
(695) Kitt Peak (N31.9588 W111.5947). Observers J. Kavelaars, M. Holman,
J-M. Petit, B. Gladman. Measurer B. Gladman. CFHT 3.5-m + CCD.
(950) La Palma (N28.7603 W17.8824).
Orbital elements:
Uranus XVIII
Periuranus 2001 Sep 15.518824 TT
Epoch 2001 Apr 1.0 TT = JDT 2452000.5 Find_Orb
M 329.23928 (2000.0) P Q
n 0.18362540 Peri. 173.17580 -0.82532396 0.43862466
a 0.1079485 Node 320.11723 0.48831370 0.87064243
e 0.3279123 Incl. 146.31936 0.28353143 -0.22268847
P 5.37 H 10.1 G 0.15 q 0.0725509
From 30 observations 1999 Jul. 18-2003 Aug. 29; RMS error 0.454 arcseconds
Residuals in arcseconds:
990718 568 .28- .27+ 990902 695 .58+ .19+ 000628 950 .38- .16-
990718 568 .18- .33+ 990903 695 .59+ .01- 000628 950 .45- .29+
990718 568 .40- .38+ 990903 695 .05- .10- 000628 950 .22- .25+
990808 675 .16- .61- 990903 695 .08+ .22+ 001218 695 .29+ .68-
990808 675 .16- .26- 991015 695 .23+ .33- 001218 695 .28+ .42-
990808 675 .17- .46- 991015 695 .12- .07- 001218 695 .09+ .38-
990809 675 .16+ .53+ 991015 695 .08- .02- 010724 568 .18+ .39+
990809 675 .05- .65+ 000527 695 .27- .29+ 010724 568 .06+ .30+
990902 695 .36+ .13+ 000528 695 .02+ .34- 010724 568 .22- .31+
990902 695 .49+ .13+ 000529 695 .00 .16- 030829 568 .15- .67-
Ephemerides:
Da Mon Year RA Dec delta r elong mag
-- --- ---- ------------ ------------ ------ ------ ----- ---
6 Mar 2004 22 22 41.835 -10 57 18.15 21.152 20.184 12.3 23.5
8 Mar 2004 22 23 07.061 -10 54 52.08 21.145 20.184 14.1 23.5
10 Mar 2004 22 23 32.123 -10 52 26.93 21.137 20.184 16.0 23.5
12 Mar 2004 22 23 57.002 -10 50 02.84 21.128 20.185 17.9 23.5
14 Mar 2004 22 24 21.678 -10 47 39.90 21.117 20.185 19.8 23.5
16 Mar 2004 22 24 46.130 -10 45 18.25 21.106 20.185 21.7 23.5
18 Mar 2004 22 25 10.337 -10 42 58.00 21.093 20.185 23.6 23.5
20 Mar 2004 22 25 34.277 -10 40 39.28 21.080 20.185 25.5 23.5
22 Mar 2004 22 25 57.928 -10 38 22.23 21.065 20.185 27.3 23.5
24 Mar 2004 22 26 21.269 -10 36 06.96 21.050 20.186 29.2 23.5
26 Mar 2004 22 26 44.281 -10 33 53.61 21.033 20.186 31.1 23.5
28 Mar 2004 22 27 06.943 -10 31 42.28 21.016 20.186 33.0 23.5
30 Mar 2004 22 27 29.239 -10 29 33.10 20.998 20.186 34.9 23.5
1 Apr 2004 22 27 51.150 -10 27 26.16 20.978 20.186 36.7 23.5
3 Apr 2004 22 28 12.659 -10 25 21.57 20.958 20.186 38.6 23.5
5 Apr 2004 22 28 33.751 -10 23 19.42 20.937 20.186 40.5 23.5
7 Apr 2004 22 28 54.410 -10 21 19.81 20.915 20.187 42.4 23.5
9 Apr 2004 22 29 14.620 -10 19 22.83 20.892 20.187 44.2 23.5
11 Apr 2004 22 29 34.366 -10 17 28.56 20.869 20.187 46.1 23.5
13 Apr 2004 22 29 53.630 -10 15 37.12 20.844 20.187 48.0 23.4
15 Apr 2004 22 30 12.396 -10 13 48.60 20.819 20.187 49.9 23.4
17 Apr 2004 22 30 30.645 -10 12 03.12 20.794 20.187 51.7 23.4
19 Apr 2004 22 30 48.361 -10 10 20.77 20.767 20.187 53.6 23.4
21 Apr 2004 22 31 05.527 -10 08 41.65 20.740 20.188 55.5 23.4
23 Apr 2004 22 31 22.131 -10 07 05.86 20.712 20.188 57.4 23.4
25 Apr 2004 22 31 38.156 -10 05 33.47 20.684 20.188 59.2 23.4
27 Apr 2004 22 31 53.591 -10 04 04.58 20.655 20.188 61.1 23.4
29 Apr 2004 22 32 08.423 -10 02 39.25 20.625 20.188 63.0 23.4
1 May 2004 22 32 22.643 -10 01 17.55 20.595 20.188 64.9 23.4
3 May 2004 22 32 36.239 -09 59 59.53 20.565 20.188 66.8 23.4
5 May 2004 22 32 49.203 -09 58 45.26 20.534 20.188 68.6 23.4
7 May 2004 22 33 01.525 -09 57 34.78 20.502 20.188 70.5 23.4
9 May 2004 22 33 13.195 -09 56 28.15 20.471 20.189 72.4 23.4
11 May 2004 22 33 24.203 -09 55 25.43 20.439 20.189 74.3 23.4
13 May 2004 22 33 34.537 -09 54 26.69 20.406 20.189 76.2 23.4
15 May 2004 22 33 44.187 -09 53 31.99 20.374 20.189 78.1 23.4
17 May 2004 22 33 53.145 -09 52 41.39 20.341 20.189 80.0 23.4
19 May 2004 22 34 01.401 -09 51 54.93 20.308 20.189 81.8 23.4
21 May 2004 22 34 08.949 -09 51 12.65 20.274 20.189 83.7 23.4
23 May 2004 22 34 15.783 -09 50 34.60 20.241 20.189 85.6 23.4
25 May 2004 22 34 21.899 -09 50 00.79 20.208 20.189 87.5 23.4
27 May 2004 22 34 27.292 -09 49 31.25 20.174 20.189 89.4 23.4
29 May 2004 22 34 31.962 -09 49 05.98 20.141 20.189 91.3 23.4
31 May 2004 22 34 35.907 -09 48 44.98 20.107 20.189 93.2 23.4
2 Jun 2004 22 34 39.126 -09 48 28.26 20.074 20.189 95.1 23.4
4 Jun 2004 22 34 41.619 -09 48 15.81 20.040 20.190 97.0 23.4
6 Jun 2004 22 34 43.385 -09 48 07.62 20.007 20.190 98.9 23.4
8 Jun 2004 22 34 44.423 -09 48 03.70 19.974 20.190 100.8 23.4
10 Jun 2004 22 34 44.732 -09 48 04.05 19.941 20.190 102.8 23.4
12 Jun 2004 22 34 44.311 -09 48 08.66 19.909 20.190 104.7 23.4