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
2023-06-14 22:56:05 C 18 21 08.15 +14 43 55.7 X C95
2023-06-14 23:22:38 C 18 21 06.81 +14 44 15.9 X C95
2023-07-06 08:33:26 C 17 50 41.924 +19 35 43.08 V G96
2023-07-06 08:41:33 C 17 50 41.424 +19 35 45.74 V G96
2023-07-06 08:49:40 C 17 50 40.934 +19 35 48.66 V G96
2023-07-06 08:57:47 C 17 50 40.369 +19 35 51.29 V G96
2023-07-09 07:12:31 C 17 46 29.300 +19 57 35.09 X F52
2023-07-09 07:47:33 C 17 46 27.136 +19 57 44.94 X F52
2023-07-09 08:05:46 C 17 46 26.045 +19 57 50.16 X F52
2023-07-22 09:32:12 C 17 29 55.527 +20 37 51.34 X F51
2023-07-22 10:06:14 C 17 29 53.935 +20 37 50.61 X F51
2023-07-22 10:23:12 C 17 29 53.147 +20 37 50.33 X F51
2023-09-08 06:22:49 C 17 26 38.227 +14 33 15.54 X F51
2023-09-08 06:56:19 C 17 26 39.469 +14 32 59.49 X F51
2023-09-08 07:12:54 C 17 26 40.081 +14 32 51.49 X F51
2023-09-18 02:58:47 C 17 37 40.832 +12 38 24.29 V G96
2023-09-18 03:08:41 C 17 37 41.344 +12 38 19.82 V G96
2023-09-18 03:18:35 C 17 37 41.862 +12 38 14.57 V G96
2023-09-18 03:28:29 C 17 37 42.373 +12 38 08.81 V G96
2024-01-13 01:44:55 C 23 28 16.280 -01 39 25.52 V G96
2024-01-13 01:52:23 C 23 28 17.508 -01 39 25.45 V G96
2024-01-13 01:59:51 C 23 28 18.750 -01 39 25.38 V G96
2024-01-13 02:07:18 C 23 28 19.981 -01 39 25.24 V G96
2025-03-31 13:19:52 C 15 02 58.364 -23 33 37.70 X F51
2025-03-31 13:37:03 C 15 02 57.812 -23 33 31.01 X F51
2025-03-31 14:11:28 C 15 02 56.736 -23 33 18.18 X F51
2025-04-25 09:35:54 C 14 37 41.367 -18 38 27.85 X F52
2025-04-25 09:52:22 C 14 37 40.512 -18 38 18.02 X F52
2025-04-25 10:08:54 C 14 37 39.643 -18 38 08.20 X F52
2025-05-19 04:39:03 C 14 10 21.137 -12 47 16.26 V G96
2025-05-19 04:47:13 C 14 10 20.795 -12 47 11.69 V G96
2025-05-19 04:55:25 C 14 10 20.485 -12 47 06.86 V G96
2025-05-19 05:03:36 C 14 10 20.129 -12 47 02.29 V G96
2025-05-25 08:26:21 C 14 04 48.624 -11 24 06.02 X F51
2025-05-25 09:04:05 C 14 04 47.293 -11 23 45.67 X F51
2025-05-25 09:23:47 C 14 04 46.596 -11 23 34.89 X F51
2025-05-30 07:46:10 C 14 01 03.871 -10 22 29.81 X F51
2025-05-30 08:22:42 C 14 01 02.778 -10 22 12.30 X F51
2025-05-30 08:39:26 C 14 01 02.283 -10 22 03.83 X F51