143624 (2003 HM16)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5773683772 ± 1.68e-08
Semi-major axis (a)1.9666824847 AU ± 9.15e-10
Inclination (i)35.53837694° ± 2.46e-06
Long. of Asc. Node (Ω)195.82982869° ± 3.27e-06
Arg. of Perihelion (ω)47.19854573° ± 3.78e-06
Mean Anomaly (M)45.48249137° ± 1.54e-06
Mean Motion (n)0.3573640828°/day ± 2.49e-10
Perihelion dist (q)0.83118221 AU ± 3.30e-08
Aphelion dist (Q)3.10218276 AU ± 3.31e-08
Orbital Period2.75804517 yr ± 1.92e-09
Physical Parameters
H (abs. magnitude)15.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.259″
Uncertainty0
Orbit TypeApollo
MOID0.051849 AU
Observations Used1399
Gaia Obs Used26
Oppositions9
Arc Total2003-2017
First Observation Used2003-04-27
Last Observation Used2025-12-07
Observations (1504)
Date Type RA Dec Mag Band Observatory
2025-10-13 19:52:11 B 19 32 41.65 +10 47 20.6 V R99
2025-10-13 19:57:30 B 19 32 42.59 +10 47 14.1 V R99
2025-10-15 23:54:39 B 19 41 27.955 +09 40 11.32 Z W36
2025-10-15 23:57:05 B 19 41 28.327 +09 40 07.64 Z W36
2025-10-15 23:59:16 B 19 41 28.740 +09 40 05.05 Z W36
2025-10-16 23:53:33 B 19 45 24.475 +09 10 17.62 Z W36
2025-10-16 23:55:59 B 19 45 24.895 +09 10 13.94 Z W36
2025-10-16 23:58:10 B 19 45 25.265 +09 10 11.60 Z W36
2025-10-20 05:47:51 C 19 57 48.329 +07 37 57.68 V T08
2025-10-20 05:53:30 C 19 57 49.207 +07 37 51.46 V T08
2025-10-20 06:01:30 C 19 57 50.453 +07 37 42.38 V T08
2025-10-20 06:36:37 C 19 57 55.805 +07 37 02.32 V T08
2025-10-24 18:34:55 C 20 14 08.774 +05 41 27.31 V M22
2025-10-24 18:38:49 C 20 14 09.276 +05 41 22.67 V M22
2025-10-24 18:47:56 C 20 14 10.687 +05 41 13.67 V M22
2025-10-24 19:09:30 C 20 14 13.726 +05 40 51.53 V M22
2025-11-05 10:28:42 C 20 51 43.65 +01 45 09.1 V D29
2025-11-05 10:41:04 C 20 51 45.13 +01 45 00.6 V D29
2025-11-05 10:53:26 C 20 51 46.73 +01 44 52.4 V D29
2025-11-08 01:57:18 C 20 59 29.202 +01 03 21.64 V 703
2025-11-08 02:00:38 C 20 59 29.584 +01 03 19.15 V 703
2025-11-08 02:03:58 C 20 59 30.052 +01 03 17.17 V 703
2025-11-08 02:07:18 C 20 59 30.523 +01 03 14.44 V 703
2025-11-09 17:40:13 B 21 04 13.100 +00 39 10.94 W 130
2025-11-09 17:58:06 B 21 04 15.161 +00 39 00.15 W 130
2025-11-10 01:42:53 C 21 05 10.028 +00 34 30.29 V 703
2025-11-10 01:46:13 C 21 05 10.324 +00 34 27.12 V 703
2025-11-10 01:49:33 C 21 05 10.756 +00 34 25.72 V 703
2025-11-10 01:52:53 C 21 05 11.130 +00 34 23.52 V 703
2025-11-10 19:30:13 C 21 07 14.854 +00 24 17.68 V R17
2025-11-10 19:50:36 C 21 07 17.184 +00 24 06.16 V R17
2025-11-10 20:10:57 C 21 07 19.536 +00 23 54.53 V R17
2025-11-10 20:31:21 C 21 07 21.862 +00 23 43.37 V R17
2025-11-12 01:55:01 C 21 10 45.959 +00 07 31.58 V 703
2025-11-12 01:58:13 C 21 10 46.297 +00 07 29.17 V 703
2025-11-12 02:01:25 C 21 10 46.708 +00 07 27.73 V 703
2025-11-12 02:04:38 C 21 10 47.154 +00 07 25.82 V 703
2025-11-15 19:30:10 C 21 20 51.134 -00 37 12.65 V R17
2025-11-15 19:50:32 C 21 20 53.323 -00 37 21.25 V R17
2025-11-15 20:10:55 C 21 20 55.570 -00 37 31.08 V R17
2025-11-15 20:31:17 C 21 20 57.758 -00 37 40.40 V R17
2025-12-01 02:37:26 C 21 58 33.107 -02 37 33.13 V G96
2025-12-01 02:45:32 C 21 58 33.884 -02 37 34.57 V G96
2025-12-01 02:53:37 C 21 58 34.648 -02 37 37.02 V G96
2025-12-01 03:01:42 C 21 58 35.447 -02 37 38.60 V G96
2025-12-02 01:25:37 C 22 00 44.006 -02 42 12.64 V G96
2025-12-02 01:33:48 C 22 00 44.809 -02 42 14.33 V G96
2025-12-02 01:42:02 C 22 00 45.551 -02 42 15.66 V G96
2025-12-02 01:50:14 C 22 00 46.325 -02 42 17.24 V G96
2025-12-06 10:16:17 C 22 10 33.19 -03 00 04.7 V D29