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
2020-11-19 05:20:50 C 01 55 30.69 -08 46 59.4 V G96
2020-11-19 05:28:58 C 01 55 30.35 -08 47 01.5 V G96
2020-11-19 05:37:07 C 01 55 30.07 -08 47 03.3 V G96
2020-11-19 05:45:17 C 01 55 29.77 -08 47 06.3 V G96
2020-12-06 06:40:29 C 01 44 27.437 -09 53 08.65 U F51
2020-12-06 06:59:45 C 01 44 27.077 -09 53 09.97 U F51
2020-12-06 07:19:00 C 01 44 26.726 -09 53 11.10 U F51
2020-12-06 07:38:20 C 01 44 26.366 -09 53 12.36 U F51
2021-01-13 02:13:14 C 01 45 58.51 -08 38 31.6 V G96
2021-01-13 02:21:23 C 01 45 58.62 -08 38 30.1 V G96
2021-01-13 02:29:31 C 01 45 58.81 -08 38 28.8 V G96
2021-01-13 02:37:39 C 01 45 58.94 -08 38 26.4 V G96
2021-11-26 10:32:35 C 06 13 00.872 -23 30 37.14 U F52
2021-11-26 10:48:17 C 06 13 00.240 -23 30 45.08 U F52
2021-11-26 11:03:52 C 06 12 59.614 -23 30 52.88 U F52
2021-11-26 11:19:24 C 06 12 58.980 -23 31 00.71 U F52
2022-01-09 07:18:52 C 05 18 39.542 -26 35 50.32 U F52
2022-01-09 07:51:45 C 05 18 37.903 -26 35 43.78 U F52
2022-01-09 08:08:10 C 05 18 37.087 -26 35 40.52 U F52
2022-02-11 05:50:29 C 04 55 29.849 -21 21 25.32 U F52
2022-02-11 06:06:03 C 04 55 29.700 -21 21 17.38 U F52
2022-02-11 06:21:40 C 04 55 29.577 -21 21 09.14 U F52
2023-09-19 09:43:27 C 03 56 24.248 +00 27 02.05 V G96
2023-09-19 09:50:53 C 03 56 24.220 +00 26 57.59 V G96
2023-09-19 09:58:21 C 03 56 24.137 +00 26 54.02 V G96
2023-09-19 10:05:48 C 03 56 24.097 +00 26 50.32 V G96
2023-09-19 14:05:52 C 03 56 22.155 +00 24 42.25 X F52
2023-09-19 14:23:51 C 03 56 22.001 +00 24 32.50 X F52
2023-09-19 14:41:56 C 03 56 21.833 +00 24 22.91 X F52
2023-09-19 14:59:49 C 03 56 21.670 +00 24 13.60 X F52
2023-09-27 12:13:54 C 03 54 01.143 -01 20 21.08 X F51
2023-09-27 12:31:03 C 03 54 00.837 -01 20 30.94 X F51
2023-09-27 12:48:13 C 03 54 00.529 -01 20 40.62 X F51
2023-10-15 08:27:55 C 03 42 38.747 -05 29 59.60 V G96
2023-10-15 08:35:21 C 03 42 38.466 -05 30 04.00 V G96
2023-10-15 08:42:46 C 03 42 38.189 -05 30 08.10 V G96
2023-10-15 08:50:10 C 03 42 37.926 -05 30 12.60 V G96
2023-10-22 11:33:48 C 03 36 00.207 -07 07 22.39 X F51
2023-10-22 11:49:55 C 03 35 59.519 -07 07 31.41 X F51
2023-10-22 12:06:04 C 03 35 58.824 -07 07 40.26 X F51
2023-10-22 12:22:14 C 03 35 58.132 -07 07 49.22 X F51
2023-11-05 10:05:03 C 03 20 46.833 -09 56 25.34 X F52
2023-11-05 10:22:56 C 03 20 45.955 -09 56 33.42 X F52
2023-11-05 10:40:48 C 03 20 45.065 -09 56 41.35 X F52
2023-11-05 10:58:45 C 03 20 44.192 -09 56 49.56 X F52
2023-11-09 10:01:46 C 03 16 08.188 -10 37 08.62 X F52
2023-11-09 10:17:39 C 03 16 07.414 -10 37 15.24 X F52
2023-11-09 10:33:29 C 03 16 06.623 -10 37 21.55 X F52
2023-11-18 09:52:58 C 03 05 46.639 -11 52 37.74 X F51
2023-11-18 10:25:53 C 03 05 45.066 -11 52 47.35 X F51