"Pseudo-MPEC" for S/2002 N 1
Created Fri Oct 10 07:46:43 2003 using Find_Orb
Astrometry
Observing stations
Orbital elements
Residuals
Ephemeris
Astrometry:
SK02N010 C1999 07 18.43523 20 20 39.35 -19 16 53.5 568
SK02N010 C1999 07 18.46258 20 20 39.16 -19 16 54.0 568
SK02N010 C1999 07 18.48928 20 20 38.97 -19 16 54.5 568
SK02N010 C2001 08 10.02379 20 38 00.22 -18 13 24.5 24.2 R 807
SK02N010 C2001 08 10.11901 20 37 59.62 -18 13 27.1 24.2 R 807
SK02N010 C2001 08 10.21688 20 37 58.99 -18 13 29.6 24.2 R 807
SK02N010 C2002 08 14.00655 20 47 08.20 -18 00 12.0 24.6 R 807
SK02N010 C2002 08 14.13779 20 47 07.31 -18 00 15.6 807
SK02N010 C2002 08 14.19312 20 47 06.96 -18 00 17.2 807
SK02N010 C2002 08 16.03731 20 46 54.98 -18 01 09.8 807
SK02N010 C2002 08 16.12087 20 46 54.42 -18 01 12.2 24.3 R 807
SK02N010 C2002 08 16.18696 20 46 54.00 -18 01 13.9 807
SK02N010 C2002 09 03.05508 20 45 06.19 -18 08 58.1 309
SK02N010 C2002 09 03.06052 20 45 06.16 -18 08 58.2 24.0 R 309
SK02N010 C2002 09 03.06594 20 45 06.12 -18 08 58.4 24.3 R 309
SK02N010 C2002 09 03.15553 20 45 05.62 -18 09 00.4 23.8 R 309
SK02N010 C2002 09 03.16097 20 45 05.59 -18 09 00.6 23.9 R 309
SK02N010 C2002 09 03.16641 20 45 05.56 -18 09 00.7 23.9 N 309
SK02N010 C2002 09 04.01802 20 45 00.94 -18 09 20.7 309
SK02N010 C2002 09 04.03667 20 45 00.84 -18 09 21.0 309
SK02N010 C2003 06 03.29193 21 01 55.31 -17 06 54.5 304
SK02N010 C2003 06 03.34103 21 01 55.18 -17 06 55.0 24.1 R 304
SK02N010 C2003 06 03.39013 21 01 55.02 -17 06 55.8 304
SK02N010 C2003 06 03.39767 21 01 55.00 -17 06 56.1 304
SK02N010 C2003 07 29.11269 20 57 12.73 -17 27 04.4 24.0 R 304
SK02N010 C2003 07 29.11672 20 57 12.70 -17 27 04.7 304
SK02N010 C2003 07 29.13189 20 57 12.59 -17 27 05.1 304
SK02N010 C2003 07 29.15097 20 57 12.48 -17 27 05.5 304
SK02N010 C2003 08 21.05937 20 54 40.42 -17 37 30.8 807
SK02N010 C2003 08 21.06692 20 54 40.40 -17 37 30.9 807
SK02N010 C2003 08 21.07365 20 54 40.35 -17 37 31.1 24.0 R 807
SK02N010 C2003 08 21.08105 20 54 40.30 -17 37 31.4 807
SK02N010 C2003 08 21.08779 20 54 40.27 -17 37 31.5 807
SK02N010 C2003 08 21.10149 20 54 40.19 -17 37 31.8 807
SK02N010 C2003 08 29.25633 20 53 49.72 -17 40 55.6 24.2 R 568
SK02N010 C2003 08 29.28303 20 53 49.55 -17 40 56.1 568
SK02N010 C2003 08 29.30897 20 53 49.40 -17 40 56.8 568
SK02N010 C2003 08 30.31005 20 53 43.44 -17 41 20.9 24.7 R 568
SK02N010 C2003 08 30.33675 20 53 43.31 -17 41 21.5 25.0 R 568
Station data:
(304) Las Campanas Observatory (S29.0036 W70.7020). Observers M. Holman, D.
Trilling, W. Fraser. Measurer M. Holman. 6.5-m Clay reflector + CCD.
(309) Cerro Paranal (S24.6260 W70.4032).
(568) Mauna Kea (N19.8262 W155.4722). Observers D. C. Jewitt, S. S.
Sheppard, J. Kleyna. Measurer S. S. Sheppard. 8.3-m Subaru reflector +
CCD.
(807) Cerro Tololo Observatory, La Serena (S30.1692 W70.8059). Observers M.
Holman, J. Kavelaars, T. Grav, W. Fraser. Measurer M. Holman. 4-m Blanco
reflector + CCD.
Orbital elements:
S/2002 N 1
Perineptune 2001 Nov 11.740220 TT = 17:45:55 (JD 2452225.240220)
Epoch 2002 Nov 22.0 TT = JDT 2452600.5 Find_Orb
M 71.86014 (2000.0) P Q
n 0.19149438 Peri. 157.24008 0.64237209 0.51653769
a 0.1109192 Node 217.60969 0.47851520 0.30673068
e 0.2612989 Incl. 111.91775 0.59864955 -0.79944049
P 5.15 H 9.3 G 0.15 q 0.0819361
From 39 observations 1999 Jul. 18-2003 Aug. 30; RMS error 0.597 arcseconds
Residuals in arcseconds:
990718 568 .13- .20- 020903 309 .21+ .31+ 030729 304 .30+ .53+
990718 568 .18- .12- 020903 309 .08+ .24+ 030729 304 .57+ .67+
990718 568 .30- .06- 020903 309 .11+ .36+ 030821 807 .67- .30-
010810 807 .00 .65+ 020903 309 .11+ .29+ 030821 807 .25- .21-
010810 807 .12+ .59+ 020903 309 .12+ .31+ 030821 807 .34- .23-
010810 807 .09+ .68+ 020904 309 .16+ .33+ 030821 807 .37- .34-
020814 807 .37- .45- 020904 309 .20+ .47+ 030821 807 .18- .26-
020814 807 .66- .30- 030603 304 .11+ .28+ 030821 807 .05- .20-
020814 807 .40- .34- 030603 304 .08+ .35+ 030829 568 .55+ .27+
020816 807 .50- 1.1- 030603 304 .38- .10+ 030829 568 .43+ .42+
020816 807 .66- 1.1- 030603 304 .38- .11- 030829 568 .55+ .35+
020816 807 .45- .96- 030729 304 .44+ .69+ 030830 568 .40+ .15+
020903 309 .21+ .28+ 030729 304 .40+ .51+ 030830 568 .84+ .19+
Ephemerides:
Da Mon Year RA Dec delta r elong mag
-- --- ---- ------------ ------------ ------ ------ ----- ---
15 Oct 2003 20 50 49.168 -17 52 39.84 29.7697 30.1095 109.0 24.3
20 Oct 2003 20 50 44.958 -17 52 53.09 29.8518 30.1090 104.0 24.3
25 Oct 2003 20 50 44.137 -17 52 52.68 29.9357 30.1084 99.1 24.3
30 Oct 2003 20 50 46.764 -17 52 38.38 30.0207 30.1079 94.1 24.3
4 Nov 2003 20 50 52.844 -17 52 10.14 30.1063 30.1073 89.1 24.3
9 Nov 2003 20 51 02.346 -17 51 28.10 30.1917 30.1067 84.1 24.3
14 Nov 2003 20 51 15.225 -17 50 32.41 30.2764 30.1061 79.2 24.3
19 Nov 2003 20 51 31.427 -17 49 23.31 30.3597 30.1055 74.2 24.3
24 Nov 2003 20 51 50.880 -17 48 01.02 30.4410 30.1049 69.2 24.4
29 Nov 2003 20 52 13.477 -17 46 25.90 30.5197 30.1043 64.3 24.4
4 Dec 2003 20 52 39.067 -17 44 38.49 30.5951 30.1037 59.3 24.4
9 Dec 2003 20 53 07.480 -17 42 39.40 30.6667 30.1031 54.3 24.4
14 Dec 2003 20 53 38.546 -17 40 29.28 30.7340 30.1025 49.4 24.4
19 Dec 2003 20 54 12.089 -17 38 08.78 30.7965 30.1019 44.4 24.4
24 Dec 2003 20 54 47.915 -17 35 38.59 30.8538 30.1013 39.5 24.4