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
2010-05-05 08:04:15 C 14 41 13.74 -15 41 55.3 r G96
2010-05-05 08:12:44 C 14 41 13.27 -15 41 50.1 r G96
2010-05-05 08:21:21 C 14 41 12.84 -15 41 44.3 r G96
2010-05-05 08:29:55 C 14 41 12.37 -15 41 39.3 r G96
2010-05-10 09:22:35 C 14 35 07.268 -14 26 53.31 L F51
2010-05-10 09:39:11 C 14 35 06.414 -14 26 43.15 L F51
2012-03-29 09:31:13 C 10 44 12.616 -27 25 28.99 L F51
2012-03-29 09:50:03 C 10 44 11.984 -27 25 12.93 L F51
2013-06-11 08:22:53 C 18 43 23.21 +15 27 21.6 u H21
2013-06-11 08:27:32 C 18 43 23.02 +15 27 26.1 u H21
2013-06-11 08:32:13 C 18 43 22.80 +15 27 30.1 u H21
2013-06-11 08:36:53 C 18 43 22.60 +15 27 33.5 u H21
2013-06-11 08:41:32 C 18 43 22.35 +15 27 37.8 u H21
2013-06-14 06:40:09 C 18 40 10.33 +16 27 16.4 u H21
2013-06-14 06:46:27 C 18 40 09.99 +16 27 22.1 u H21
2013-06-14 06:52:47 C 18 40 09.68 +16 27 27.4 u H21
2013-06-26 12:03:02 C 18 24 12.035 +20 05 30.10 L F51
2013-06-26 12:18:25 C 18 24 11.081 +20 05 39.84 L F51
2013-07-04 07:54:57 C 18 12 38.210 +21 48 50.57 L F51
2013-07-04 08:10:35 C 18 12 37.210 +21 48 57.80 L F51
2013-07-12 07:02:29 C 18 00 49.452 +22 58 18.12 L F51
2013-07-12 07:17:37 C 18 00 48.510 +22 58 22.15 L F51
2013-07-12 10:22:02 C 18 00 36.952 +22 59 10.98 L F51
2013-07-12 10:38:47 C 18 00 35.897 +22 59 15.24 L F51
2013-07-14 06:10:45 C 17 58 00.77 +23 09 37.2 u H21
2013-07-14 06:20:46 C 17 58 00.12 +23 09 39.7 u H21
2013-07-14 06:31:25 C 17 57 59.47 +23 09 41.9 u H21
2013-07-17 06:56:52 C 17 53 50.531 +23 22 48.26 L F51
2013-07-17 07:21:00 C 17 53 49.126 +23 22 51.88 L F51
2013-11-26 04:52:30 C 20 42 42.785 +01 11 25.44 L F51
2013-11-26 04:59:32 C 20 42 43.821 +01 11 22.88 L F51
2013-11-26 05:06:32 C 20 42 44.856 +01 11 20.14 L F51
2013-11-26 05:13:34 C 20 42 45.908 +01 11 17.41 L F51
2014-01-07 01:42:09 C 23 27 39.01 -02 46 40.9 q 703
2014-01-07 01:47:59 C 23 27 40.08 -02 46 42.3 q 703
2014-01-07 01:53:48 C 23 27 41.00 -02 46 44.1 q 703
2014-01-07 01:59:36 C 23 27 42.19 -02 46 45.0 q 703
2014-01-24 05:26:39 C 00 36 41.685 -02 51 30.73 L F51
2014-01-24 05:34:35 C 00 36 42.978 -02 51 30.42 L F51
2014-01-24 05:42:31 C 00 36 44.268 -02 51 30.04 L F51
2014-01-24 05:50:24 C 00 36 45.558 -02 51 29.60 L F51
2015-04-23 10:47:53 C 14 50 52.159 -18 48 58.44 L F51
2015-04-23 11:21:06 C 14 50 50.478 -18 48 39.34 L F51
2015-04-23 11:37:43 C 14 50 49.631 -18 48 29.82 L F51
2015-05-13 06:41:30 C 14 27 02.38 -13 59 12.0 q G96
2015-05-13 06:51:45 C 14 27 01.90 -13 59 05.4 q G96
2015-05-13 07:02:00 C 14 27 01.40 -13 58 59.2 q G96
2015-05-13 07:12:13 C 14 27 00.91 -13 58 52.1 q G96
2015-05-22 09:01:48 C 14 17 23.780 -11 49 46.10 L F51
2015-05-22 09:20:57 C 14 17 22.981 -11 49 35.33 L F51