189973 (2003 XE11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3769709997 ± 5.87e-08
Semi-major axis (a)1.8448155214 AU ± 5.66e-09
Inclination (i)26.95677686° ± 6.17e-06
Long. of Asc. Node (Ω)223.46552519° ± 9.19e-06
Arg. of Perihelion (ω)173.20905963° ± 1.26e-05
Mean Anomaly (M)267.89024990° ± 1.67e-05
Mean Motion (n)0.3933533564°/day ± 1.81e-09
Perihelion dist (q)1.14937357 AU ± 1.08e-07
Aphelion dist (Q)2.54025747 AU ± 1.09e-07
Orbital Period2.50570198 yr ± 1.15e-08
Physical Parameters
H (abs. magnitude)17.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.280″
Uncertainty0
Orbit TypeAmor
MOID0.158234 AU
Observations Used258
Oppositions13
Arc Total2003-2025
First Observation Used2003-12-13
Last Observation Used2025-05-30
Observations (289)
Date Type RA Dec Mag Band Observatory
2003-12-13 01:28:37 C 22 04 54.79 -01 41 50.5 19.7 c 704
2003-12-13 01:47:21 C 22 04 57.89 -01 41 56.8 20.1 c 704
2003-12-13 02:06:12 C 22 05 01.16 -01 42 05.1 20.0 c 704
2003-12-13 02:25:17 C 22 05 04.32 -01 42 11.7 20.1 c 704
2003-12-13 02:43:59 C 22 05 07.45 -01 42 20.1 19.7 c 704
2003-12-14 01:28:36 C 22 09 00.49 -01 50 59.3 19.1 c 704
2003-12-14 01:38:00 C 22 09 02.10 -01 51 02.6 c 673
2003-12-14 01:44:10 C 22 09 03.13 -01 51 04.9 c 673
2003-12-14 01:47:09 C 22 09 03.72 -01 51 05.7 c 673
2003-12-14 01:47:39 C 22 09 03.71 -01 51 06.2 19.5 c 704
2003-12-14 01:53:30 C 22 09 04.72 -01 51 08.3 c 673
2003-12-14 01:56:49 C 22 09 05.34 -01 51 09.7 c 673
2003-12-14 01:57:44 C 22 09 05.25 -01 51 10.6 r 448
2003-12-14 02:01:39 C 22 09 06.19 -01 51 11.6 c 673
2003-12-14 02:06:37 C 22 09 06.93 -01 51 12.9 19.8 c 704
2003-12-14 02:19:46 C 22 09 09.15 -01 51 18.8 r 448
2003-12-14 02:25:23 C 22 09 10.03 -01 51 20.2 19.5 c 704
2003-12-14 02:28:07 C 22 09 10.55 -01 51 22.2 r 448
2003-12-14 02:35:38 C 22 09 11.76 -01 51 25.4 r 448
2003-12-14 02:44:12 C 22 09 13.23 -01 51 27.7 19.5 c 704
2003-12-16 01:28:17 C 22 17 13.75 -02 08 36.0 19.0 c 704
2003-12-16 01:47:01 C 22 17 16.99 -02 08 42.9 19.7 c 704
2003-12-16 02:05:44 C 22 17 20.09 -02 08 50.6 19.5 c 704
2003-12-16 02:24:31 C 22 17 23.23 -02 08 56.5 19.5 c 704
2003-12-18 02:19:35 C 22 25 38.12 -02 25 38.1 r 448
2003-12-18 02:30:31 C 22 25 39.95 -02 25 40.9 r 448
2003-12-18 02:43:20 C 22 25 42.22 -02 25 46.5 r 448
2003-12-18 17:33:58 C 22 28 15.96 -02 30 45.9 c 246
2003-12-18 17:35:21 C 22 28 16.24 -02 30 46.2 c 246
2003-12-18 17:36:37 C 22 28 16.50 -02 30 47.7 c 246
2003-12-18 17:37:51 C 22 28 16.68 -02 30 46.9 c 246
2003-12-18 17:39:27 C 22 28 16.99 -02 30 48.3 c 246
2003-12-18 17:41:15 C 22 28 17.25 -02 30 48.5 c 246
2003-12-22 01:34:12 C 22 42 06.64 -02 55 57.9 18.8 c 704
2003-12-22 01:52:57 C 22 42 09.80 -02 56 03.8 19.5 c 704
2003-12-22 02:12:04 C 22 42 13.16 -02 56 09.2 19.8 c 704
2003-12-22 02:31:12 C 22 42 16.44 -02 56 14.7 19.2 c 704
2003-12-29 02:30:45 C 23 11 27.49 -03 40 12.0 r 448
2003-12-29 02:44:37 C 23 11 29.92 -03 40 14.6 r 448
2003-12-29 03:00:37 C 23 11 32.71 -03 40 18.7 r 448
2004-01-05 10:34:21 C 23 41 56.197 -04 12 52.33 r 413
2004-01-05 10:43:40 C 23 41 57.798 -04 12 53.54 r 413
2004-01-23 02:37:01 C 00 53 21.67 -04 39 00.4 r 448
2004-01-23 03:03:50 C 00 53 26.18 -04 39 00.0 r 448
2004-03-09 09:52:18 C 03 39 38.81 -01 55 35.4 r 413
2004-03-09 10:08:17 C 03 39 40.97 -01 55 32.0 r 413
2005-04-18 16:11:42 C 15 05 39.86 -19 19 53.0 r 413
2005-04-18 16:30:41 C 15 05 38.99 -19 19 43.1 r 413
2005-04-19 14:51:39 C 15 04 38.14 -19 07 44.5 r 413
2005-04-19 15:10:39 C 15 04 37.23 -19 07 34.7 r 413