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
2014-11-09 01:24:07 C 21 34 28.76 +00 42 19.5 q 448
2014-11-09 01:33:13 C 21 34 29.61 +00 42 13.9 q 448
2014-11-10 01:05:25 C 21 36 42.80 +00 27 42.4 u H21
2014-11-10 01:07:59 C 21 36 43.03 +00 27 41.0 u H21
2014-11-10 01:10:26 C 21 36 43.25 +00 27 39.2 u H21
2014-11-10 01:13:23 C 21 36 43.53 +00 27 37.1 u H21
2014-11-10 01:16:36 C 21 36 43.84 +00 27 35.5 u H21
2014-11-21 01:21:03 C 22 00 28.72 -01 40 07.4 q 448
2014-11-21 01:48:14 C 22 00 31.01 -01 40 17.2 q 448
2014-11-21 02:18:43 C 22 00 33.62 -01 40 28.5 q 448
2014-11-21 03:57:10 C 22 00 42.00 -01 41 05.4 V G45
2014-11-21 04:03:13 C 22 00 42.44 -01 41 07.4 V G45
2014-11-21 04:06:19 C 22 00 42.76 -01 41 08.7 V G45
2014-11-21 04:21:33 C 22 00 44.05 -01 41 14.3 V G45
2014-11-21 04:21:44 C 22 00 44.07 -01 41 14.3 V G45
2014-12-12 01:26:54 C 22 41 26.96 -03 29 10.0 q 703
2014-12-12 01:33:23 C 22 41 27.40 -03 29 10.9 q 703
2014-12-12 01:39:51 C 22 41 27.96 -03 29 10.4 q 703
2014-12-12 01:46:20 C 22 41 28.42 -03 29 12.4 q 703
2017-01-03 06:55:49 C 12 06 43.58 -39 25 40.1 W88
2017-01-03 07:30:28 C 12 06 48.18 -39 26 06.3 W88
2017-01-03 15:52:36 C 12 07 56.055 -39 32 29.90 L F51
2017-01-03 16:05:22 C 12 07 57.774 -39 32 39.49 L F51
2017-01-05 07:10:36 C 12 13 22.81 -40 01 36.1 W88
2017-01-05 08:00:27 C 12 13 29.69 -40 02 13.6 W88
2017-01-14 15:07:59 C 12 48 03.205 -42 35 45.17 L F51
2017-01-14 15:09:52 C 12 48 03.524 -42 35 46.42 L F51
2017-01-14 15:32:11 C 12 48 07.270 -42 36 00.23 L F51
2017-01-14 15:34:04 C 12 48 07.592 -42 36 01.51 L F51
2017-01-14 15:44:15 C 12 48 09.290 -42 36 07.85 L F51
2017-01-14 15:46:07 C 12 48 09.611 -42 36 09.07 L F51
2017-02-02 14:59:01 C 14 26 44.48 -45 14 57.1 q Q60
2017-02-02 15:08:00 C 14 26 46.93 -45 14 57.1 q Q60
2017-02-02 15:17:06 C 14 26 49.38 -45 14 56.4 q Q60
2017-04-08 02:32:15 C 21 27 42.12 +15 48 40.2 q 160
2017-04-08 02:34:13 C 21 27 42.46 +15 48 43.7 q 160
2017-04-08 02:36:12 C 21 27 42.83 +15 48 47.8 q 160
2017-04-25 11:01:43 C 22 33 30.32 +24 12 04.9 q 703
2017-04-25 11:07:29 C 22 33 31.13 +24 12 09.7 q 703
2017-04-25 11:13:15 C 22 33 31.99 +24 12 14.5 q 703
2017-04-25 11:19:00 C 22 33 32.77 +24 12 19.4 q 703
2017-04-27 11:04:24 C 22 40 23.15 +24 50 59.3 q 703
2017-04-27 11:09:21 C 22 40 23.91 +24 51 03.1 q 703
2017-04-27 11:14:17 C 22 40 24.64 +24 51 07.0 q 703
2017-04-27 11:19:14 C 22 40 25.41 +24 51 12.7 q 703
2017-04-29 03:14:11 C 22 46 02.18 +25 21 16.0 q 160
2017-04-29 03:17:17 C 22 46 02.62 +25 21 18.1 q 160
2017-04-29 03:20:22 C 22 46 03.08 +25 21 20.4 q 160
2017-06-15 10:19:48 C 00 51 37.02 +31 38 20.3 q 703
2017-06-15 10:24:45 C 00 51 37.44 +31 38 20.1 q 703