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
2017-10-23 09:37:55 C 00 37 00.904 +01 04 34.49 L F51
2017-10-23 09:55:26 C 00 37 00.153 +01 04 19.62 L F51
2017-10-24 05:33:27 C 00 36 12.58 +00 47 53.2 U G96
2017-10-24 05:40:58 C 00 36 12.27 +00 47 46.6 U G96
2017-10-24 05:48:30 C 00 36 11.93 +00 47 40.7 U G96
2017-10-24 05:55:58 C 00 36 11.63 +00 47 34.7 U G96
2017-10-26 05:55:16 C 00 34 20.73 +00 08 53.9 U 703
2017-10-26 06:03:07 C 00 34 20.41 +00 08 46.7 U 703
2017-10-26 06:10:59 C 00 34 20.02 +00 08 41.1 U 703
2017-10-26 06:18:46 C 00 34 19.76 +00 08 33.3 U 703
2017-10-28 08:51:27 C 00 32 31.96 -00 29 58.6 T05
2017-10-28 09:01:36 C 00 32 31.65 -00 30 06.0 T05
2017-10-28 09:11:50 C 00 32 31.25 -00 30 14.8 T05
2017-10-28 09:21:57 C 00 32 30.83 -00 30 21.5 T05
2017-10-29 02:24:00 C 00 31 57.01 -00 42 52.1 U 703
2017-10-29 02:31:44 C 00 31 56.72 -00 42 56.2 U 703
2017-10-29 02:39:26 C 00 31 56.49 -00 43 02.9 U 703
2017-10-29 02:47:09 C 00 31 56.14 -00 43 08.1 U 703
2017-10-30 08:16:41 C 00 30 59.25 -01 04 07.6 T08
2017-10-30 08:26:55 C 00 30 58.93 -01 04 13.5 T08
2017-10-30 08:37:07 C 00 30 58.58 -01 04 21.0 T08
2017-10-30 08:47:19 C 00 30 58.25 -01 04 27.4 T08
2017-11-19 04:21:37 C 00 22 46.10 -05 03 42.3 U G96
2017-11-19 04:29:09 C 00 22 46.06 -05 03 44.7 U G96
2017-11-19 04:36:38 C 00 22 46.01 -05 03 47.2 U G96
2017-11-19 04:44:06 C 00 22 45.96 -05 03 49.5 U G96
2018-11-12 12:13:03 C 05 17 52.039 -17 28 34.09 U F52
2018-11-12 12:30:38 C 05 17 51.356 -17 28 42.66 U F52
2018-11-12 12:48:16 C 05 17 50.671 -17 28 51.12 U F52
2018-11-12 13:05:58 C 05 17 49.988 -17 28 59.85 U F52
2019-01-08 07:53:27 C 04 16 53.187 -20 36 50.16 U F51
2019-01-08 08:10:15 C 04 16 52.644 -20 36 46.28 U F51
2019-01-08 08:26:58 C 04 16 52.099 -20 36 42.45 U F51
2019-01-08 08:43:45 C 04 16 51.574 -20 36 38.60 U F51
2020-08-15 10:47:18 C 03 03 36.65 +12 28 42.5 V G96
2020-08-15 10:59:02 C 03 03 36.85 +12 28 38.1 V G96
2020-08-15 11:05:06 C 03 03 36.96 +12 28 35.9 V G96
2020-08-15 11:11:11 C 03 03 37.08 +12 28 33.7 V G96
2020-08-25 12:57:16 C 03 06 27.683 +10 49 28.92 U F52
2020-08-25 13:32:35 C 03 06 27.848 +10 49 13.06 U F52
2020-08-25 13:50:12 C 03 06 27.922 +10 49 04.89 U F52
2020-09-12 13:12:49 C 03 04 02.234 +07 00 02.16 U F52
2020-09-12 13:17:24 C 03 04 02.164 +06 59 59.39 U F52
2020-09-12 13:30:24 C 03 04 01.902 +06 59 51.50 U F52
2020-09-12 13:34:59 C 03 04 01.832 +06 59 48.43 U F52
2020-09-12 13:48:04 C 03 04 01.578 +06 59 40.68 U F52
2020-09-12 13:52:39 C 03 04 01.505 +06 59 38.11 U F52
2020-09-12 14:05:52 C 03 04 01.243 +06 59 30.03 U F52
2020-09-17 19:07:49 C 03 01 25.181 +05 41 27.42 V P07
2020-09-17 19:50:21 C 03 01 24.113 +05 40 59.95 V P07