"Pseudo-MPEC" for S/2001 U 2
Created Wed Oct 01 10:20:29 2003 using Find_Orb
Astrometry
Observing stations
Orbital elements
Residuals
Ephemeris
Astrometry:
SK01U020 C2001 08 13.23319 21 40 52.96 -14 46 58.9 25.0 R 807
SK01U020 C2001 08 13.29446 21 40 52.36 -14 47 01.8 24.9 R 807
SK01U020 C2001 08 13.35711 21 40 51.75 -14 47 04.6 25.1 R 807
SK01U020 C2001 09 21.17200 21 35 14.43 -15 14 26.4 25 R 675
SK01U020 C2001 09 21.22091 21 35 14.10 -15 14 28.0 25.1 R 675
SK01U020 C2001 09 21.24238 21 35 13.94 -15 14 29.0 675
SK01U020 C2003 08 29.38944 22 09 32.88 -12 13 38.8 568
SK01U020 C2003 08 29.41209 22 09 32.66 -12 13 40.2 568
SK01U020 C2003 08 29.43328 22 09 32.42 -12 13 41.2 568
SK01U020 C2003 08 30.41824 22 09 23.49 -12 14 30.0 25.2 R 568
SK01U020 C2003 08 30.43948 22 09 23.30 -12 14 31.1 25.1 R 568
SK01U020 C2003 09 20.38884 22 06 23.61 -12 30 32.9 568
SK01U020 C2003 09 20.41457 22 06 23.45 -12 30 34.0 568
SK01U020 C2003 09 30.14790 22 05 12.87 -12 36 40.6 25.0 R 304
SK01U020 C2003 09 30.15166 22 05 12.85 -12 36 40.7 304
SK01U020 C2003 09 30.15542 22 05 12.82 -12 36 40.7 304
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.
(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.
(675) Palomar Mountain (N33.3561 W116.8640).
(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/2001 U 2
Periuranus 2007 Feb 25.109762 TT = 2:38:03 (JD 2454156.609762)
Epoch 2003 Dec 27.0 TT = JDT 2453000.5 Find_Orb
M 212.59564 (2000.0) P Q
n 0.12750031 Peri. 164.90023 0.50104846 0.85122189
a 0.1376674 Node 225.13062 0.76943386 -0.35559625
e 0.4265379 Incl. 167.27466 0.39613377 -0.38596967
P 7.73 H 11.9 G 0.15 q 0.0789471
From 16 observations 2001 Aug. 13-2003 Sep. 30; RMS error 0.478 arcseconds
Residuals in arcseconds:
010813 807 .24+ .30- 030829 568 .41+ .15- 030920 568 .27- .12-
010813 807 .09+ .30- 030829 568 .27+ .42- 030930 304 .08+ .49+
010813 807 .04- .15- 030829 568 .36- .37- 030930 304 .16+ .52+
010921 675 .27- .39+ 030830 568 .23+ .29- 030930 304 .10+ .65+
010921 675 .02+ .39+ 030830 568 .33+ .34-
010921 675 .07- .09+ 030920 568 .93- .07-
Ephemerides:
Da Mon Year RA Dec delta r elong mag
-- --- ---- ------------ ------------ ------ ------ ----- ---
20 Sep 2003 22 06 26.717 -12 30 16.61 19.1020 19.9991 152.6 25.1
25 Sep 2003 22 05 48.854 -12 33 34.87 19.1446 19.9983 147.5 25.1
30 Sep 2003 22 05 13.861 -12 36 36.15 19.1936 19.9975 142.5 25.1
5 Oct 2003 22 04 42.133 -12 39 18.40 19.2486 19.9968 137.4 25.1
10 Oct 2003 22 04 13.999 -12 41 40.01 19.3090 19.9960 132.4 25.1
15 Oct 2003 22 03 49.745 -12 43 39.60 19.3745 19.9952 127.3 25.1
20 Oct 2003 22 03 29.638 -12 45 15.93 19.4445 19.9944 122.3 25.1
25 Oct 2003 22 03 13.931 -12 46 27.81 19.5186 19.9936 117.3 25.1
30 Oct 2003 22 03 02.842 -12 47 14.22 19.5961 19.9928 112.2 25.2
4 Nov 2003 22 02 56.521 -12 47 34.44 19.6764 19.9920 107.2 25.2
9 Nov 2003 22 02 55.047 -12 47 28.16 19.7589 19.9912 102.2 25.2
14 Nov 2003 22 02 58.470 -12 46 55.26 19.8429 19.9905 97.2 25.2
19 Nov 2003 22 03 06.822 -12 45 55.67 19.9279 19.9897 92.2 25.2
24 Nov 2003 22 03 20.112 -12 44 29.41 20.0132 19.9889 87.2 25.2
29 Nov 2003 22 03 38.300 -12 42 36.69 20.0982 19.9881 82.2 25.2