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
2005-05-04 07:17:26 C 14 47 11.27 -15 42 06.2 r G96
2005-05-04 07:28:55 C 14 47 10.64 -15 41 58.6 r G96
2005-05-04 07:40:24 C 14 47 10.01 -15 41 51.3 r G96
2005-05-04 07:51:55 C 14 47 09.48 -15 41 43.8 r G96
2007-04-24 03:12:48 C 10 41 41.96 -19 15 09.5 o 291
2007-04-24 03:18:26 C 10 41 41.93 -19 15 05.4 o 291
2007-04-24 03:24:02 C 10 41 41.92 -19 15 01.3 o 291
2008-05-21 07:34:59 C 19 05 06.47 +08 25 47.7 o H55
2008-05-21 07:50:02 C 19 05 06.32 +08 26 01.6 o H55
2008-05-21 08:06:25 C 19 05 06.15 +08 26 18.3 o H55
2008-07-14 02:56:38 C 18 08 00.36 +24 37 06.4 o H55
2008-07-16 04:28:26 C 18 05 02.50 +24 48 32.2 o H55
2008-07-16 04:37:11 C 18 05 01.94 +24 48 34.6 o H55
2008-07-16 04:42:10 C 18 05 01.65 +24 48 35.8 o H55
2008-07-25 05:23:57 C 17 53 12.81 +25 09 08.9 r H45
2008-07-25 05:27:09 C 17 53 12.71 +25 09 08.6 r H45
2008-07-25 05:30:18 C 17 53 12.64 +25 09 08.2 r H45
2008-07-25 05:32:45 C 17 53 12.45 +25 09 08.1 r H45
2008-07-25 05:35:09 C 17 53 12.31 +25 09 08.1 r H45
2008-08-16 02:00:23 C 17 37 19.69 +23 13 21.0 o H55
2008-08-16 02:05:59 C 17 37 19.62 +23 13 18.8 o H55
2008-08-16 02:11:38 C 17 37 19.58 +23 13 16.8 o H55
2008-09-07 03:01:12 C 17 43 50.92 +18 57 20.6 o 704
2008-09-07 03:20:21 C 17 43 51.81 +18 57 05.2 o 704
2008-09-07 03:39:29 C 17 43 52.24 +18 56 58.4 o 704
2008-09-07 03:58:58 C 17 43 52.92 +18 56 46.3 o 704
2008-12-01 01:17:47 C 21 10 29.67 +00 22 41.0 r 448
2008-12-01 01:38:48 C 21 10 32.97 +00 22 33.6 r 448
2008-12-01 02:00:10 C 21 10 36.35 +00 22 24.6 r 448
2008-12-07 01:37:51 C 21 33 46.38 -00 33 38.7 r 448
2008-12-07 02:04:32 C 21 33 50.68 -00 33 48.4 r 448
2008-12-07 02:34:09 C 21 33 55.53 -00 33 59.7 r 448
2008-12-22 02:10:02 C 22 34 19.20 -02 25 02.4 r 703
2008-12-22 02:17:54 C 22 34 20.53 -02 25 03.4 r 703
2008-12-22 02:33:37 C 22 34 23.12 -02 25 08.4 r 703
2008-12-30 01:36:30 C 23 07 10.35 -03 04 59.0 19.7 c 704
2008-12-30 01:54:53 C 23 07 13.54 -03 05 02.9 19.4 c 704
2008-12-30 02:13:39 C 23 07 16.71 -03 05 05.0 20.1 c 704
2008-12-30 02:31:56 C 23 07 19.84 -03 05 07.0 19.8 c 704
2009-01-16 02:14:21 C 00 16 47.043 -03 44 08.13 645
2009-01-16 02:14:57 C 00 16 47.031 -03 44 08.20 645
2009-01-16 02:15:33 C 00 16 47.230 -03 44 08.06 645
2009-01-16 02:16:09 C 00 16 47.224 -03 44 08.04 645
2009-01-16 02:17:56 C 00 16 47.601 -03 44 08.25 645
2009-01-16 02:18:32 C 00 16 47.587 -03 44 08.29 645
2009-01-16 02:19:08 C 00 16 47.828 -03 44 08.50 645
2009-01-16 02:19:44 C 00 16 47.816 -03 44 08.63 645
2009-01-31 01:53:30 C 01 15 45.83 -03 31 42.2 o 448
2009-01-31 02:30:07 C 01 15 51.61 -03 31 38.7 o 448
2009-01-31 03:06:12 C 01 15 57.41 -03 31 38.9 o 448