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
2003-09-22 18:25:50 C 20 17 34.75 +29 41 03.3 c 113
2003-09-22 18:28:02 C 20 17 34.97 +29 40 58.6 c 113
2003-09-22 18:29:07 C 20 17 35.24 +29 40 54.0 c 113
2003-09-22 20:20:12 C 20 17 48.50 +29 36 02.8 o 084
2003-09-24 18:40:04 C 20 23 28.53 +27 36 41.6 o 084
2003-09-25 18:27:02 C 20 26 18.05 +26 36 50.5 r 240
2003-09-25 18:29:41 C 20 26 18.35 +26 36 44.1 r 240
2003-09-25 18:39:23 C 20 26 19.46 +26 36 19.7 r 240
2003-09-25 18:42:25 C 20 26 19.81 +26 36 12.1 r 240
2003-09-25 18:43:05 C 20 26 19.89 +26 36 10.2 r 240
2003-09-25 18:45:04 C 20 26 20.10 +26 36 05.2 r 240
2003-10-02 19:03:01 C 20 44 53.85 +20 03 06.7 r 170
2003-10-02 19:21:59 C 20 44 55.78 +20 02 26.0 r 170
2003-10-02 19:23:12 C 20 44 55.89 +20 02 23.2 r 170
2003-10-03 01:45:13 C 20 45 35.33 +19 48 36.6 o 830
2003-10-03 01:51:47 C 20 45 35.99 +19 48 25.3 o 830
2003-10-03 01:58:15 C 20 45 36.57 +19 48 11.2 o 830
2003-10-06 01:43:01 C 20 52 52.33 +17 19 31.7 c 750
2003-10-06 01:49:40 C 20 52 52.96 +17 19 18.7 c 750
2003-10-06 01:57:29 C 20 52 53.72 +17 19 03.2 c 750
2003-10-08 19:26:14 C 20 59 15.19 +15 13 01.2 o 084
2003-10-09 19:58:07 C 21 01 34.78 +14 28 12.5 r 941
2003-10-09 19:58:45 C 21 01 34.85 +14 28 11.4 r 941
2003-10-09 19:59:22 C 21 01 34.91 +14 28 10.2 r 941
2003-10-09 20:00:00 C 21 01 34.97 +14 28 09.0 r 941
2003-10-09 20:01:16 C 21 01 35.09 +14 28 06.7 r 941
2003-10-10 18:42:03 C 21 03 42.58 +13 47 46.1 c 434
2003-10-10 18:44:09 C 21 03 42.73 +13 47 42.5 c 434
2003-10-10 18:47:11 C 21 03 42.97 +13 47 36.8 c 434
2003-10-12 20:16:58 C 21 08 15.77 +12 23 17.4 r 240
2003-10-12 20:18:33 C 21 08 15.95 +12 23 14.7 r 240
2003-10-12 20:20:55 C 21 08 16.17 +12 23 11.0 r 240
2003-10-12 20:24:05 C 21 08 16.46 +12 23 05.7 r 240
2003-10-19 19:26:45 C 21 22 54.54 +08 14 27.0 c 113
2003-10-19 19:28:50 C 21 22 54.75 +08 14 24.3 c 113
2003-10-19 19:30:56 C 21 22 54.94 +08 14 21.3 c 113
2003-10-19 19:33:00 C 21 22 55.10 +08 14 18.4 c 113
2003-10-21 04:00:30 C 21 25 38.96 +07 32 04.4 18.4 c 704
2003-10-21 04:17:17 C 21 25 40.31 +07 31 43.6 18.9 c 704
2003-10-21 04:34:01 C 21 25 41.67 +07 31 22.1 18.7 c 704
2003-10-21 04:50:51 C 21 25 43.04 +07 31 01.0 18.8 c 704
2003-10-21 05:07:13 C 21 25 44.37 +07 30 40.2 18.5 c 704
2003-10-27 18:41:47 C 21 38 36.61 +04 30 55.7 r 240
2003-10-27 18:45:57 C 21 38 36.92 +04 30 51.6 r 240
2003-10-27 18:58:27 C 21 38 37.85 +04 30 38.3 r 240
2003-10-27 19:04:44 C 21 38 38.27 +04 30 32.0 r 240
2003-11-20 01:56:09 C 22 20 33.37 -01 44 58.3 19.4 c 704
2003-11-20 02:14:13 C 22 20 34.67 -01 45 05.5 19.4 c 704
2003-11-20 02:32:11 C 22 20 35.95 -01 45 12.7 19.8 c 704
2003-11-20 02:50:34 C 22 20 37.22 -01 45 19.8 19.6 c 704