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
2015-05-22 09:40:02 C 14 17 22.187 -11 49 24.50 L F51
2015-05-22 09:59:05 C 14 17 21.394 -11 49 13.67 L F51
2017-02-10 10:39:34 C 11 29 33.611 -36 52 59.16 L F51
2017-02-10 10:54:28 C 11 29 33.002 -36 52 59.05 L F51
2017-02-10 11:24:15 C 11 29 31.779 -36 52 59.11 L F51
2017-02-17 11:17:26 C 11 22 11.327 -36 39 12.71 L F51
2017-02-17 11:31:53 C 11 22 10.604 -36 39 10.22 L F51
2017-02-17 12:00:44 C 11 22 09.201 -36 39 05.64 L F51
2017-04-05 06:57:29 C 10 32 33.628 -24 51 16.50 L F51
2017-04-05 07:13:47 C 10 32 33.268 -24 51 02.35 L F51
2017-04-05 07:30:05 C 10 32 32.921 -24 50 47.79 L F51
2018-06-15 15:29:32 C 18 29 00.25 +15 53 21.6 q D29
2018-06-15 15:49:54 C 18 28 59.08 +15 53 38.2 q D29
2018-07-09 05:27:23 C 17 55 26.39 +21 12 27.1 U I41
2018-07-09 05:28:41 C 17 55 26.31 +21 12 27.4 U I41
2018-07-09 09:06:52 C 17 55 12.67 +21 13 33.3 U I41
2018-07-11 08:26:13 C 17 52 23.10 +21 26 42.6 U I41
2018-07-11 09:17:57 C 17 52 19.93 +21 26 55.3 U I41
2018-07-15 14:34:35 C 17 46 31.51 +21 47 31.7 q D29
2018-07-15 14:54:57 C 17 46 30.31 +21 47 35.2 q D29
2018-07-16 09:50:12 C 17 45 27.688 +21 50 20.85 U F52
2018-07-16 10:04:42 C 17 45 26.857 +21 50 22.72 U F52
2018-07-16 10:19:11 C 17 45 26.040 +21 50 24.54 U F52
2018-07-19 00:06:27 C 17 42 08.86 +21 56 55.3 d Z35
2018-07-19 00:25:12 C 17 42 07.94 +21 56 55.9 d Z35
2018-08-18 07:23:55 C 17 22 22.544 +19 36 35.72 U F51
2018-08-18 07:41:29 C 17 22 22.506 +19 36 28.82 U F51
2018-09-10 03:18:31 C 17 34 01.99 +15 23 50.4 V G96
2018-09-10 03:26:04 C 17 34 02.29 +15 23 46.4 V G96
2018-09-10 03:33:39 C 17 34 02.59 +15 23 42.5 V G96
2018-09-10 03:41:13 C 17 34 02.87 +15 23 38.7 V G96
2018-09-10 03:57:50 C 17 34 03.61 +15 23 29.9 U I41
2018-09-10 04:58:28 C 17 34 06.01 +15 22 59.3 U I41
2018-09-11 03:05:19 C 17 35 01.91 +15 11 46.3 U I41
2018-09-11 04:36:39 C 17 35 05.65 +15 10 59.6 U I41
2020-04-02 13:06:58 C 15 06 02.394 -22 58 46.16 U F51
2020-04-02 13:23:56 C 15 06 01.828 -22 58 39.67 U F51
2020-04-02 13:40:50 C 15 06 01.277 -22 58 32.91 U F51
2020-04-02 13:57:48 C 15 06 00.704 -22 58 26.15 U F51
2020-04-21 09:55:56 C 14 47 18.712 -19 18 52.95 U F51
2020-04-21 10:11:54 C 14 47 17.911 -19 18 43.86 U F51
2020-04-21 10:27:49 C 14 47 17.117 -19 18 34.83 U F51
2020-04-21 10:43:45 C 14 47 16.311 -19 18 25.65 U F51
2020-04-22 10:20:00 C 14 46 06.778 -19 04 54.86 U F51
2020-04-22 10:36:42 C 14 46 05.925 -19 04 45.52 U F51
2020-04-22 10:53:28 C 14 46 05.059 -19 04 35.88 U F51
2020-04-22 11:10:10 C 14 46 04.211 -19 04 26.22 U F51
2020-04-24 08:50:37 C 14 43 47.86 -18 37 51.4 V G96
2020-04-24 08:58:26 C 14 43 47.43 -18 37 46.8 V G96
2020-04-24 09:06:14 C 14 43 47.01 -18 37 42.9 V G96