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
2017-09-17 06:03:48 C 01 26 07.87 +16 35 34.5 U V03
2017-09-17 06:11:10 C 01 26 07.42 +16 35 26.5 U V03
2017-09-17 06:18:32 C 01 26 06.99 +16 35 18.4 U V03
2017-09-17 11:51:36 C 01 25 47.31 +16 29 18.3 L T08
2017-09-17 12:02:07 C 01 25 46.65 +16 29 06.9 L T08
2017-09-17 12:18:49 C 01 25 45.67 +16 28 48.5 L T08
2017-09-17 12:33:47 C 01 25 44.75 +16 28 32.2 L T08
2017-09-18 07:45:46 C 01 24 37.34 +16 07 26.5 q 703
2017-09-18 07:53:26 C 01 24 36.84 +16 07 18.1 q 703
2017-09-18 08:02:17 C 01 24 36.31 +16 07 08.2 q 703
2017-09-18 08:09:58 C 01 24 35.83 +16 07 00.0 q 703
2017-09-22 00:00:21 C 01 19 18.31 +14 28 37.2 q 160
2017-09-22 00:03:18 C 01 19 18.12 +14 28 33.9 q 160
2017-09-22 00:06:14 C 01 19 17.93 +14 28 30.6 q 160
2017-09-23 11:37:14 C 01 17 06.66 +13 48 03.0 L T05
2017-09-23 11:45:12 C 01 17 06.14 +13 47 54.0 L T05
2017-09-23 12:01:43 C 01 17 05.11 +13 47 34.8 L T05
2017-09-23 12:16:37 C 01 17 04.13 +13 47 17.9 L T05
2017-09-24 08:39:53 C 01 15 48.39 +13 23 53.0 q 703
2017-09-24 08:47:58 C 01 15 47.83 +13 23 43.9 q 703
2017-09-24 08:56:12 C 01 15 47.29 +13 23 33.7 q 703
2017-09-24 09:07:50 C 01 15 46.54 +13 23 20.5 q 703
2017-09-25 11:27:04 C 01 14 08.35 +12 53 02.6 L T08
2017-09-25 11:27:43 C 01 14 08.33 +12 53 02.5 L T08
2017-09-25 11:38:17 C 01 14 07.64 +12 52 50.0 L T08
2017-09-25 11:52:47 C 01 14 06.74 +12 52 33.3 L T08
2017-09-27 11:34:38 C 01 11 07.95 +11 57 22.9 L T05
2017-09-27 11:35:17 C 01 11 07.90 +11 57 22.2 L T05
2017-09-27 11:41:09 C 01 11 07.52 +11 57 15.3 L T05
2017-09-27 11:42:31 C 01 11 07.44 +11 57 13.8 L T05
2017-09-27 12:00:49 C 01 11 06.25 +11 56 52.4 L T05
2017-09-27 12:02:19 C 01 11 06.14 +11 56 50.6 L T05
2017-09-27 12:13:07 C 01 11 05.45 +11 56 38.2 L T05
2017-09-27 23:15:32 C 01 10 24.22 +11 43 47.7 q 160
2017-09-27 23:18:32 C 01 10 24.04 +11 43 44.1 q 160
2017-09-27 23:21:31 C 01 10 23.89 +11 43 40.8 q 160
2017-09-28 08:11:25 C 01 09 50.67 +11 33 28.5 q 703
2017-09-28 08:20:06 C 01 09 50.12 +11 33 18.4 q 703
2017-09-28 08:28:45 C 01 09 49.55 +11 33 08.4 q 703
2017-09-28 08:37:20 C 01 09 48.99 +11 32 58.3 q 703
2017-10-01 06:35:51 C 01 05 27.75 +10 12 00.6 q 703
2017-10-01 06:39:40 C 01 05 27.51 +10 11 56.3 q 703
2017-10-01 06:43:33 C 01 05 27.27 +10 11 51.4 q 703
2017-10-01 06:47:29 C 01 05 26.97 +10 11 47.4 q 703
2017-10-07 17:24:45 C 00 56 05.51 +07 16 29.8 q D29
2017-10-07 17:46:34 C 00 56 04.17 +07 16 05.0 q D29
2017-10-07 18:08:23 C 00 56 02.85 +07 15 41.7 q D29
2017-10-08 23:33:42 C 00 54 20.51 +06 43 19.4 q 160
2017-10-08 23:36:38 C 00 54 20.35 +06 43 16.4 q 160
2017-10-08 23:39:35 C 00 54 20.16 +06 43 12.9 q 160