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
2003-07-26 21:44:28 C 13 30 41.27 +66 25 40.6 i 071
2003-07-26 22:08:38 C 13 30 50.00 +66 25 58.6 i 071
2003-07-26 22:14:18 C 13 30 51.96 +66 26 03.0 i 071
2003-07-26 22:20:15 C 13 30 54.14 +66 26 07.5 i 071
2003-07-26 22:25:39 C 13 30 56.04 +66 26 11.3 i 071
2003-07-26 22:30:58 C 13 30 57.89 +66 26 15.2 i 071
2003-07-26 22:34:58 C 13 30 59.46 +66 26 18.5 i 071
2003-07-26 22:39:00 C 13 31 00.92 +66 26 21.5 i 071
2003-07-26 22:43:00 C 13 31 02.39 +66 26 25.1 i 071
2003-07-26 22:47:01 C 13 31 03.60 +66 26 27.1 i 071
2003-08-05 04:16:40 C 14 59 23.04 +67 58 08.4 c 670
2003-08-05 05:30:10 C 14 59 53.93 +67 58 05.1 c 670
2003-08-05 06:27:26 C 15 00 18.25 +67 58 02.5 c 670
2003-08-08 19:49:52 C 15 37 11.58 +67 41 12.2 c 130
2003-08-08 19:55:45 C 15 37 14.14 +67 41 09.6 c 130
2003-08-08 20:01:39 C 15 37 16.63 +67 41 06.6 c 130
2003-08-08 20:07:34 C 15 37 19.12 +67 41 04.3 c 130
2003-08-09 03:47:17 C 15 40 37.70 +67 38 01.4 17.3 c 704
2003-08-09 04:02:53 C 15 40 44.36 +67 37 54.3 17.5 c 704
2003-08-09 04:18:37 C 15 40 50.95 +67 37 47.1 18.1 c 704
2003-08-09 04:49:59 C 15 41 04.29 +67 37 32.4 17.6 c 704
2003-08-11 21:58:26 C 16 08 57.06 +67 00 11.3 c 198
2003-08-11 22:04:13 C 16 08 59.54 +67 00 08.8 c 198
2003-08-14 21:57:53 C 16 38 41.59 +65 56 41.0 J87
2003-08-14 22:00:36 C 16 38 42.57 +65 56 40.6 J87
2003-08-14 22:04:16 C 16 38 44.12 +65 56 34.1 J87
2003-08-19 20:05:25 C 17 23 33.09 +63 22 56.4 d 170
2003-08-19 20:08:07 C 17 23 34.02 +63 22 52.2 d 170
2003-08-19 20:10:32 C 17 23 34.87 +63 22 48.3 d 170
2003-08-19 20:13:02 C 17 23 35.73 +63 22 44.5 d 170
2003-08-24 04:16:37 C 17 58 07.26 +60 20 23.1 c 649
2003-08-24 04:19:16 C 17 58 08.02 +60 20 17.5 c 649
2003-08-24 04:27:14 C 17 58 10.45 +60 20 01.8 c 649
2003-08-24 04:29:53 C 17 58 11.22 +60 19 57.0 c 649
2003-08-25 21:18:35 C 18 10 25.63 +58 57 41.4 16.3 c 469
2003-08-25 21:24:20 C 18 10 27.26 +58 57 29.7 16.4 c 469
2003-08-25 21:27:59 C 18 10 28.30 +58 57 21.6 16.4 c 469
2003-08-25 21:34:39 C 18 10 30.21 +58 57 08.0 16.4 c 469
2003-08-25 21:42:00 C 18 10 32.35 +58 56 52.1 16.2 c 469
2003-08-25 21:47:09 C 18 10 33.81 +58 56 41.3 16.3 c 469
2003-08-25 21:53:00 C 18 10 35.40 +58 56 29.5 16.3 c 469
2003-08-25 22:02:58 C 18 10 38.59 +58 56 11.1 J87
2003-08-25 22:04:37 C 18 10 38.95 +58 56 07.4 J87
2003-08-25 22:06:41 C 18 10 39.62 +58 56 02.9 J87
2003-08-29 22:11:19 C 18 36 42.93 +55 21 40.4 J87
2003-08-29 22:17:38 C 18 36 44.37 +55 21 25.2 J87
2003-08-29 22:24:28 C 18 36 46.00 +55 21 08.9 J87
2003-09-03 13:10:54 C 19 02 35.04 +50 44 40.3 m 379
2003-09-03 13:19:30 C 19 02 36.77 +50 44 17.8 m 379
2003-09-05 20:50:09 C 19 14 06.09 +48 16 58.4 J87