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
2025-09-13 20:45:45 C 16 57 52.579 +28 37 10.78 V R17
2025-09-13 21:06:52 C 16 57 57.922 +28 36 43.02 V R17
2025-09-13 21:30:04 C 16 58 03.799 +28 36 12.35 V R17
2025-09-14 19:37:17 B 17 03 42.26 +28 06 51.9 X L76
2025-09-14 19:42:39 B 17 03 43.62 +28 06 45.1 X L76
2025-09-14 19:48:00 B 17 03 44.97 +28 06 37.3 X L76
2025-09-14 19:53:21 B 17 03 46.28 +28 06 29.6 X L76
2025-09-14 19:58:43 B 17 03 47.68 +28 06 22.1 X L76
2025-09-14 20:04:04 B 17 03 49.01 +28 06 15.6 X L76
2025-09-14 20:25:24 C 17 03 54.677 +28 05 53.45 V R17
2025-09-14 20:45:47 C 17 03 59.798 +28 05 25.91 V R17
2025-09-14 21:06:09 C 17 04 04.908 +28 04 58.44 V R17
2025-09-14 21:26:31 C 17 04 10.034 +28 04 30.76 V R17
2025-09-15 04:11:31 C 17 05 52.739 +27 55 23.59 V 703
2025-09-15 04:14:50 C 17 05 53.538 +27 55 19.42 V 703
2025-09-15 04:18:08 C 17 05 54.388 +27 55 14.52 V 703
2025-09-15 04:32:03 C 17 05 57.862 +27 54 55.55 V 703
2025-09-15 19:13:36 B 17 09 40.73 +27 34 49.3 X L76
2025-09-15 19:22:16 B 17 09 42.89 +27 34 37.6 X L76
2025-09-15 19:30:57 B 17 09 45.07 +27 34 25.1 X L76
2025-09-15 19:39:39 B 17 09 47.27 +27 34 13.5 X L76
2025-09-16 06:11:04 C 17 12 26.167 +27 19 47.14 V T08
2025-09-16 06:15:02 C 17 12 27.151 +27 19 41.77 V T08
2025-09-16 06:23:45 C 17 12 29.304 +27 19 29.57 V T08
2025-09-16 06:41:34 C 17 12 33.732 +27 19 04.40 V T08
2025-09-17 06:18:51 C 17 18 27.958 +26 45 50.44 V T05
2025-09-17 06:24:07 C 17 18 29.251 +26 45 42.48 V T05
2025-09-17 06:32:00 C 17 18 31.193 +26 45 31.50 V T05
2025-09-17 06:47:09 C 17 18 34.918 +26 45 09.72 V T05
2025-09-17 18:56:04 B 17 21 36.00 +26 27 42.2 V R99
2025-09-17 19:02:37 B 17 21 37.61 +26 27 32.8 V R99
2025-09-17 19:08:56 B 17 21 39.16 +26 27 23.7 V R99
2025-09-17 20:39:08 B 17 22 01.366 +26 25 14.34 V R61
2025-09-17 20:42:50 B 17 22 02.282 +26 25 08.94 V R61
2025-09-17 20:45:59 B 17 22 03.019 +26 25 04.44 V R61
2025-09-18 06:34:43 C 17 24 28.298 +26 10 57.11 V T05
2025-09-18 06:38:46 C 17 24 29.256 +26 10 51.28 V T05
2025-09-18 06:46:08 C 17 24 31.078 +26 10 40.69 V T05
2025-09-18 07:01:46 C 17 24 34.877 +26 10 17.62 V T05
2025-09-18 19:46:48 C 17 27 43.032 +25 51 34.60 Z C23
2025-09-18 20:33:06 B 17 27 54.13 +25 50 29.1 V R99
2025-09-18 20:38:27 B 17 27 55.45 +25 50 20.4 V R99
2025-09-18 20:38:48 C 17 27 55.678 +25 50 18.56 Z C23
2025-09-18 20:43:47 B 17 27 56.79 +25 50 11.5 V R99
2025-09-18 21:25:38 C 17 28 07.099 +25 49 09.26 Z C23
2025-09-19 07:28:51 C 17 30 34.212 +25 34 26.44 V T05
2025-09-19 07:33:30 C 17 30 35.345 +25 34 19.45 V T05
2025-09-19 07:42:03 C 17 30 37.414 +25 34 06.67 V T05
2025-09-19 07:56:42 C 17 30 40.934 +25 33 44.68 V T05
2025-09-19 20:15:01 C 17 33 40.678 +25 15 22.57 Z C23