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
2020-09-17 20:34:42 C 03 01 22.992 +05 40 31.04 V P07
2020-09-17 21:18:08 C 03 01 21.876 +05 40 03.18 V P07
2020-09-21 10:12:17 C 02 59 06.61 +04 44 25.6 V G96
2020-09-21 10:20:34 C 02 59 06.36 +04 44 20.3 V G96
2020-09-21 10:28:52 C 02 59 06.12 +04 44 14.7 V G96
2020-09-21 10:37:10 C 02 59 05.85 +04 44 09.3 V G96
2020-09-22 13:10:35 C 02 58 18.878 +04 26 26.39 U F52
2020-09-22 13:29:16 C 02 58 18.283 +04 26 13.89 U F52
2020-09-22 14:06:38 C 02 58 17.109 +04 25 48.85 U F52
2020-09-22 18:37:58 C 02 58 08.942 +04 22 50.56 V P07
2020-09-22 19:26:10 C 02 58 07.457 +04 22 17.87 V P07
2020-09-22 20:06:01 C 02 58 06.199 +04 21 51.84 V P07
2020-09-22 20:39:08 C 02 58 05.126 +04 21 29.30 V P07
2020-09-22 20:39:50 C 02 58 05.110 +04 21 27.83 V P07
2020-10-08 09:55:28 C 02 43 31.32 +00 01 54.4 V G96
2020-10-08 10:02:50 C 02 43 30.96 +00 01 49.3 V G96
2020-10-08 10:10:12 C 02 43 30.63 +00 01 44.2 V G96
2020-10-08 10:17:34 C 02 43 30.27 +00 01 39.3 V G96
2020-10-11 09:53:28 C 02 40 07.067 -00 48 12.68 U F52
2020-10-11 10:11:01 C 02 40 06.202 -00 48 24.82 U F52
2020-10-11 10:28:32 C 02 40 05.327 -00 48 36.93 U F52
2020-10-11 10:46:08 C 02 40 04.455 -00 48 49.29 U F52
2020-10-15 12:15:25 C 02 35 14.730 -01 55 27.42 U F52
2020-10-15 12:32:04 C 02 35 13.867 -01 55 38.66 U F52
2020-10-15 12:48:40 C 02 35 13.010 -01 55 49.82 U F52
2020-10-15 13:05:17 C 02 35 12.147 -01 56 01.01 U F52
2020-10-16 22:50:14 C 02 33 29.54 -02 18 37.1 V C95
2020-10-16 22:59:32 C 02 33 29.05 -02 18 43.4 V C95
2020-10-16 23:08:50 C 02 33 28.55 -02 18 50.0 V C95
2020-10-16 23:18:01 C 02 33 28.08 -02 18 55.8 V C95
2020-10-16 23:18:01 C 02 33 28.11 -02 18 55.4 V C95
2020-10-17 07:41:10 C 02 33 02.34 -02 24 28.9 V G96
2020-10-17 07:48:34 C 02 33 01.94 -02 24 34.0 V G96
2020-10-17 07:55:58 C 02 33 01.54 -02 24 38.7 V G96
2020-10-17 08:03:22 C 02 33 01.17 -02 24 43.6 V G96
2020-10-19 10:12:36 C 02 30 26.321 -02 57 32.81 U F52
2020-10-19 10:30:16 C 02 30 25.389 -02 57 44.03 U F52
2020-10-19 10:47:59 C 02 30 24.442 -02 57 55.80 U F52
2020-10-20 08:54:40 C 02 29 15.63 -03 12 10.3 U I41
2020-10-20 09:32:47 C 02 29 13.60 -03 12 34.2 U I41
2020-10-22 08:39:07 C 02 26 46.55 -03 42 17.1 U I41
2020-10-22 08:40:26 C 02 26 46.50 -03 42 18.0 U I41
2020-10-24 09:49:15 C 02 24 12.903 -04 12 22.31 U F52
2020-10-24 10:06:55 C 02 24 11.944 -04 12 33.14 U F52
2020-10-24 10:24:35 C 02 24 10.998 -04 12 43.75 U F52
2020-10-24 10:42:13 C 02 24 10.059 -04 12 54.63 U F52
2020-11-08 07:57:26 C 02 06 20.789 -07 16 59.60 U F51
2020-11-08 08:14:10 C 02 06 20.003 -07 17 06.69 U F51
2020-11-08 08:30:52 C 02 06 19.205 -07 17 13.74 U F51
2020-11-08 08:47:37 C 02 06 18.419 -07 17 20.70 U F51