"Pseudo-MPEC" for Uranus XX
Created Wed Oct 01 10:34:55 2003 using Find_Orb
Astrometry
Observing stations
Orbital elements
Residuals
Ephemeris
Astrometry:
U020S 1999 07 18.51250 21 13 38.33 -16 49 57.1 24.3 R 568
U020S 1999 07 18.53981 21 13 38.09 -16 49 58.3 568
U020S 1999 07 18.56707 21 13 37.83 -16 49 59.6 568
U020S 1999 07 18.59355 21 13 37.61 -16 50 00.6 568
U020S 1999 07 19.50227 21 13 29.54 -16 50 39.5 568
U020S 1999 07 19.53627 21 13 29.22 -16 50 41.0 568
U020S 1999 07 19.57032 21 13 28.89 -16 50 42.4 568
U020S 1999 07 19.61147 21 13 28.52 -16 50 44.7 568
U020S 1999 07 21.46464 21 13 11.76 -16 52 06.7 24.3 R 568
U020S 1999 07 21.49222 21 13 11.49 -16 52 08.1 568
U020S 1999 07 21.51919 21 13 11.26 -16 52 09.3 568
U020S 1999 08 9.27571 21 10 12.46 -17 06 25.9 24.2 R 675
U020S 1999 08 9.28309 21 10 12.40 -17 06 26.1 23.7 R 675
U020S 1999 08 9.30884 21 10 12.16 -17 06 27.3 24.1 R 675
U020S 1999 08 9.31626 21 10 12.07 -17 06 27.4 24.2 R 675
U020S 1999 08 9.33984 21 10 11.82 -17 06 28.8 23.8 R 675
U020S 1999 08 9.34726 21 10 11.76 -17 06 28.9 23.9 R 675
U020S 1999 09 2.14727 21 06 29.50 -17 23 30.9 695
U020S 1999 09 2.16706 21 06 29.32 -17 23 31.1 695
U020S 1999 09 2.20248 21 06 29.01 -17 23 32.7 poor astrometry 695
U020S C2000 08 03.17179 21 27 04.00 -15 44 08.7 23.9 R 809
U020S C2000 08 03.20671 21 27 03.67 -15 44 10.3 24.1 R 809
U020S C2000 08 03.23403 21 27 03.42 -15 44 11.3 23.9 R 809
U020S C2000 08 03.27028 21 27 03.07 -15 44 12.8 24.1 R 809
U020S C2000 08 05.44288 21 26 43.40 -15 45 41.1 23.9 R 568
U020S C2000 08 05.48448 21 26 43.00 -15 45 42.7 568
U020S C2000 08 05.52555 21 26 42.64 -15 45 44.1 568
U020S C2001 07 24.56063 21 45 16.54 -14 23 55.1 568
U020S C2001 07 24.60303 21 45 16.18 -14 23 57.1 23.8 R 568
U020S C2001 08 13.23319 21 42 15.86 -14 40 03.8 24.3 R 807
U020S C2001 08 13.29446 21 42 15.26 -14 40 06.6 24.3 R 807
U020S C2001 08 13.35711 21 42 14.66 -14 40 09.7 24.4 R 807
U020S C2001 08 25.32061 21 40 20.53 -14 50 03.7 568
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.
(807) Cerro Tololo Observatory, La Serena (S30.1692 W70.8059). Observers M.
Holman, JJ Kavelaars. Measurer JJ Kavelaars. CTIO 4m + CCD.
(809) European Southern Observatory, La Silla (S29.2572 W70.7296).
Orbital elements:
Uranus XX
Periuranus 2000 Jul 16.374519 TT = 8:59:18 (JD 2451741.874519)
Epoch 2001 Apr 1.0 TT = JDT 2452000.5 Find_Orb
M 137.49278 (2000.0) P Q
n 0.53162893 Peri. 29.01293 -0.92547874 0.36459400
a 0.0531413 Node 189.53959 0.09168571 0.47882532
e 0.1443898 Incl. 141.67889 0.36753616 0.79862226
P 1.85 /677.15d H 11.0 G 0.15 q 0.0454683
From 33 observations 1999 Jul. 18-2001 Aug. 25; RMS error 0.740 arcseconds
Residuals in arcseconds:
990718 568 .03- .29- 990809 675 .27- .44- 000803 809 .32- .05-
990718 568 .08+ .30- 990809 675 .08- .30- 000803 809 .54- .08-
990718 568 .11- .42- 990809 675 .14+ .32- 000805 568 .35+ .10+
990718 568 .17+ .27- 990809 675 .10- .08- 000805 568 .16+ .19+
990719 568 .49+ .71+ 990809 675 .33- .40- 000805 568 .47+ .45+
990719 568 .36+ .70+ 990809 675 .14- .16- 010724 568 1.4- 1.0-
990719 568 .09+ .79+ 990902 695 .64+ .62- 010724 568 1.2- 1.1-
990719 568 .17+ .28+ 990902 695 .54+ .04- 010813 807 .76+ .83+
990721 568 .47- .32+ 990902 695 .53+ .27- 010813 807 .70+ 1.1+
990721 568 .67- .14+ 000803 809 .24- .03+ 010813 807 .79+ 1.1+
990721 568 .37- .14+ 000803 809 .35- .15- 010825 568 .62- .32+
Ephemerides:
Da Mon Year RA Dec delta r elong mag
-- --- ---- ------------ ------------ ------ ------ ----- ---
20 Sep 2003 22 08 23.481 -12 25 12.64 19.1586 20.0593 153.1 24.2
25 Sep 2003 22 07 44.476 -12 28 37.57 19.1997 20.0576 148.0 24.2
30 Sep 2003 22 07 08.312 -12 31 44.72 19.2472 20.0558 143.0 24.2
5 Oct 2003 22 06 35.393 -12 34 32.03 19.3007 20.0540 137.9 24.2
10 Oct 2003 22 06 06.052 -12 36 57.83 19.3596 20.0521 132.8 24.2
15 Oct 2003 22 05 40.580 -12 39 00.73 19.4236 20.0502 127.8 24.2
20 Oct 2003 22 05 19.252 -12 40 39.46 19.4922 20.0483 122.7 24.2
25 Oct 2003 22 05 02.325 -12 41 52.83 19.5648 20.0463 117.7 24.2
30 Oct 2003 22 04 50.025 -12 42 39.77 19.6408 20.0443 112.7 24.2
4 Nov 2003 22 04 42.508 -12 42 59.58 19.7197 20.0423 107.6 24.2
9 Nov 2003 22 04 39.861 -12 42 51.92 19.8009 20.0402 102.6 24.2
14 Nov 2003 22 04 42.139 -12 42 16.65 19.8836 20.0382 97.6 24.2
19 Nov 2003 22 04 49.381 -12 41 13.72 19.9673 20.0361 92.6 24.3
24 Nov 2003 22 05 01.601 -12 39 43.14 20.0513 20.0341 87.6 24.3
29 Nov 2003 22 05 18.765 -12 37 45.12 20.1351 20.0320 82.6 24.3