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
2003-09-05 20:51:48 C 19 14 06.31 +48 16 54.1 J87
2003-09-05 20:53:00 C 19 14 06.57 +48 16 50.8 J87
2003-09-05 20:54:43 C 19 14 06.91 +48 16 46.3 J87
2003-09-06 19:21:41 C 19 18 30.61 +47 15 51.8 o 084
2003-09-08 19:09:53 C 19 27 26.85 +45 04 37.0 151
2003-09-08 19:11:11 C 19 27 27.07 +45 04 33.7 151
2003-09-08 19:13:05 C 19 27 27.41 +45 04 28.2 151
2003-09-08 19:17:41 C 19 27 28.08 +45 04 15.2 151
2003-09-08 19:21:16 C 19 27 28.87 +45 04 05.8 151
2003-09-08 19:22:20 C 19 27 29.06 +45 04 02.8 151
2003-09-08 19:23:26 C 19 27 29.23 +45 04 00.1 151
2003-09-08 19:24:04 C 19 27 29.34 +45 03 58.0 151
2003-09-08 19:54:55 C 19 27 34.59 +45 02 28.3 o 084
2003-09-09 20:50:14 C 19 32 00.51 +43 53 16.5 o 084
2003-09-11 21:03:48 C 19 40 12.05 +41 38 28.3 o 084
2003-09-11 21:12:41 C 19 40 13.62 +41 38 08.8 r 213
2003-09-11 21:20:34 C 19 40 14.94 +41 37 47.3 r 213
2003-09-11 21:23:41 C 19 40 15.50 +41 37 37.3 r 213
2003-09-11 21:28:22 C 19 40 16.21 +41 37 24.2 r 213
2003-09-13 21:27:51 C 19 47 57.36 +39 22 52.3 c J87
2003-09-13 21:29:58 C 19 47 57.69 +39 22 46.3 c J87
2003-09-13 21:32:05 C 19 47 58.02 +39 22 40.1 c J87
2003-09-13 21:34:11 C 19 47 58.36 +39 22 34.3 c J87
2003-09-14 19:05:50 C 19 51 16.98 +38 22 12.8 o 084
2003-09-14 21:28:56 C 19 51 38.38 +38 15 34.9 r 240
2003-09-14 21:30:31 C 19 51 38.64 +38 15 30.4 r 240
2003-09-14 21:32:06 C 19 51 38.88 +38 15 26.0 r 240
2003-09-14 21:40:00 C 19 51 40.03 +38 15 03.8 r 240
2003-09-14 21:41:35 C 19 51 40.25 +38 14 59.4 r 240
2003-09-14 21:44:53 C 19 51 40.78 +38 14 49.9 r 240
2003-09-15 19:20:13 C 19 54 54.88 +37 14 38.5 A30
2003-09-15 19:23:54 C 19 54 55.42 +37 14 26.3 A30
2003-09-15 19:35:35 C 19 54 57.06 +37 13 53.2 A30
2003-09-15 19:40:38 C 19 54 57.80 +37 13 38.8 A30
2003-09-15 19:45:38 C 19 54 58.58 +37 13 25.3 A30
2003-09-17 19:54:21 C 20 01 53.98 +34 59 55.7 o 084
2003-09-17 22:26:28 C 20 02 14.94 +34 52 59.2 r 240
2003-09-17 22:29:08 C 20 02 15.31 +34 52 51.7 r 240
2003-09-17 22:29:47 C 20 02 15.41 +34 52 49.8 r 240
2003-09-17 22:33:06 C 20 02 15.85 +34 52 40.6 r 240
2003-09-17 22:40:26 C 20 02 16.85 +34 52 20.5 r 240
2003-09-18 03:28:54 C 20 02 57.82 +34 39 12.6 c 670
2003-09-18 04:57:12 C 20 03 09.75 +34 35 10.2 c 670
2003-09-18 19:41:58 C 20 05 11.91 +33 54 44.3 r 170
2003-09-18 19:43:24 C 20 05 12.12 +33 54 40.4 r 170
2003-09-20 19:50:02 C 20 11 37.40 +31 44 24.2 o 084
2003-09-20 19:57:38 C 20 11 38.53 +31 44 06.0 d 118
2003-09-20 19:59:53 C 20 11 38.76 +31 43 59.7 d 118
2003-09-20 20:01:14 C 20 11 38.90 +31 43 56.7 d 118
2003-09-20 20:02:30 C 20 11 39.10 +31 43 53.6 d 118