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
2017-06-15 10:29:41 C 00 51 37.83 +31 38 20.7 q 703
2017-06-15 10:34:39 C 00 51 38.28 +31 38 21.8 q 703
2017-06-26 09:46:18 C 01 11 49.20 +31 49 00.8 q 703
2017-06-26 09:52:03 C 01 11 49.58 +31 49 00.8 q 703
2017-06-26 09:57:46 C 01 11 49.92 +31 49 01.0 q 703
2017-06-26 10:03:29 C 01 11 50.32 +31 49 00.7 q 703
2017-07-29 02:18:58 S 01 49 47.03 +30 03 57.9 L C51
2017-07-29 02:19:08 S 01 49 47.16 +30 03 58.2 L C51
2017-07-29 05:27:39 S 01 49 51.62 +30 03 03.9 L C51
2017-07-29 08:36:09 S 01 49 56.11 +30 02 09.8 L C51
2017-07-29 19:36:05 S 01 50 11.65 +29 58 56.0 L C51
2017-07-29 22:44:35 S 01 50 16.06 +29 57 57.5 L C51
2017-07-29 22:44:46 S 01 50 16.06 +29 57 58.2 L C51
2017-07-30 01:53:16 S 01 50 20.25 +29 57 02.2 L C51
2017-07-30 14:29:45 C 01 50 37.58 +29 53 14.7 L T08
2017-07-30 14:36:19 C 01 50 37.68 +29 53 12.8 L T08
2017-07-30 14:44:28 C 01 50 37.84 +29 53 11.3 L T08
2017-07-30 14:50:43 C 01 50 38.02 +29 53 08.7 L T08
2017-07-30 14:58:27 C 01 50 38.16 +29 53 06.8 L T08
2017-07-30 15:05:45 C 01 50 38.36 +29 53 03.3 L T08
2017-08-09 08:10:45 C 01 53 46.81 +28 27 21.1 u H21
2017-08-09 08:14:16 C 01 53 46.84 +28 27 19.8 u H21
2017-08-09 08:17:13 C 01 53 46.86 +28 27 18.3 u H21
2017-08-09 08:20:09 C 01 53 46.85 +28 27 16.9 u H21
2017-08-09 08:23:06 C 01 53 46.85 +28 27 15.5 u H21
2017-08-09 08:26:02 C 01 53 46.87 +28 27 14.3 u H21
2017-08-09 08:28:59 C 01 53 46.87 +28 27 13.3 u H21
2017-08-09 08:31:55 C 01 53 46.92 +28 27 12.0 u H21
2017-08-09 08:34:46 C 01 53 46.91 +28 27 10.8 u H21
2017-08-24 13:31:00 C 01 50 26.32 +25 05 49.2 L T08
2017-08-24 13:31:44 C 01 50 26.32 +25 05 48.0 L T08
2017-08-24 13:44:54 C 01 50 26.00 +25 05 39.2 L T08
2017-08-24 13:55:41 C 01 50 25.69 +25 05 31.9 L T08
2017-08-24 13:58:19 C 01 50 25.70 +25 05 31.4 L T08
2017-08-24 14:09:53 C 01 50 25.38 +25 05 22.4 L T08
2017-08-24 14:13:47 C 01 50 25.30 +25 05 20.0 L T08
2017-08-26 17:03:21 C 01 49 08.06 +24 29 36.7 q D29
2017-08-26 17:44:04 C 01 49 06.90 +24 29 07.6 q D29
2017-09-11 12:58:52 C 01 33 42.91 +18 59 39.1 L T05
2017-09-11 13:07:14 C 01 33 42.48 +18 59 30.4 L T05
2017-09-11 13:16:21 C 01 33 41.96 +18 59 21.2 L T05
2017-09-11 13:27:09 C 01 33 41.41 +18 59 10.9 L T05
2017-09-13 12:05:08 C 01 31 12.19 +18 11 25.5 L T08
2017-09-13 12:24:27 C 01 31 11.03 +18 11 05.8 L T08
2017-09-13 12:42:13 C 01 31 10.15 +18 10 47.0 L T08
2017-09-13 12:42:52 C 01 31 10.01 +18 10 46.3 L T08
2017-09-14 08:24:07 C 01 30 05.27 +17 50 10.4 q 703
2017-09-14 08:40:05 C 01 30 04.28 +17 49 53.5 q 703
2017-09-14 08:48:02 C 01 30 03.88 +17 49 45.3 q 703
2017-09-17 05:56:27 C 01 26 08.30 +16 35 42.5 U V03