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
2025-09-30 19:22:29 B 18 33 17.278 +18 25 14.27 q Y84
2025-09-30 19:26:42 B 18 33 18.149 +18 25 07.57 q Y84
2025-09-30 19:30:50 B 18 33 19.010 +18 25 01.13 q Y84
2025-09-30 19:53:19 C 18 33 23.633 +18 24 25.27 Z C23
2025-09-30 20:25:16 C 18 33 30.317 +18 23 34.87 Z C23
2025-10-01 06:20:59 C 18 35 34.817 +18 08 07.04 V T05
2025-10-01 06:28:23 C 18 35 36.341 +18 07 55.56 V T05
2025-10-01 06:33:50 C 18 35 37.459 +18 07 46.88 V T05
2025-10-01 06:51:45 C 18 35 41.141 +18 07 18.80 V T05
2025-10-02 19:06:10 C 18 43 09.170 +17 10 47.32 X S89
2025-10-02 19:07:41 C 18 43 09.463 +17 10 45.26 X S89
2025-10-02 19:14:59 C 18 43 10.918 +17 10 32.74 X S89
2025-10-03 16:13:03 B 18 47 25.567 +16 38 15.43 W M73
2025-10-03 16:18:45 B 18 47 26.710 +16 38 06.50 W M73
2025-10-03 16:30:50 B 18 47 29.100 +16 37 48.50 W M73
2025-10-04 06:08:09 C 18 50 12.670 +16 16 55.99 V T08
2025-10-04 06:12:45 C 18 50 13.565 +16 16 48.61 V T08
2025-10-04 06:22:39 C 18 50 15.502 +16 16 33.60 V T08
2025-10-04 06:49:34 C 18 50 20.798 +16 15 52.09 V T08
2025-10-04 16:22:14 B 18 52 14.522 +16 01 18.19 W M73
2025-10-04 16:31:53 B 18 52 16.421 +16 01 03.18 W M73
2025-10-04 16:45:47 B 18 52 19.135 +16 00 42.12 W M73
2025-10-04 16:54:46 B 18 52 20.856 +16 00 27.22 W M73
2025-10-04 19:57:36 B 18 52 57.185 +15 55 46.99 V R61
2025-10-04 20:05:23 B 18 52 58.646 +15 55 35.54 V R61
2025-10-04 20:12:46 B 18 53 00.070 +15 55 24.67 V R61
2025-10-05 15:08:38 B 18 56 43.027 +15 26 47.76 W M73
2025-10-05 15:17:54 B 18 56 44.899 +15 26 33.90 W M73
2025-10-05 15:28:59 B 18 56 46.994 +15 26 17.05 W M73
2025-10-07 21:35:36 B 19 07 08.48 +14 05 48.9 X K83
2025-10-07 21:38:14 B 19 07 08.98 +14 05 45.1 X K83
2025-10-07 21:39:17 B 19 07 09.18 +14 05 43.6 X K83
2025-10-10 21:06:16 C 19 20 17.098 +12 23 33.22 V R17
2025-10-10 21:26:41 C 19 20 20.702 +12 23 04.81 V R17
2025-10-10 21:52:04 C 19 20 25.219 +12 22 29.17 V R17
2025-10-10 22:11:43 C 19 20 28.706 +12 22 01.60 V R17
2025-10-11 20:50:29 C 19 24 30.64 +11 50 39.8 V R85
2025-10-11 20:57:43 C 19 24 31.91 +11 50 29.9 V R85
2025-10-11 21:04:37 C 19 24 33.216 +11 50 22.85 V R17
2025-10-11 21:04:58 C 19 24 33.20 +11 50 20.0 V R85
2025-10-11 21:25:01 C 19 24 36.790 +11 49 54.91 V R17
2025-10-11 21:50:45 C 19 24 41.251 +11 49 19.49 V R17
2025-10-11 22:10:25 C 19 24 44.702 +11 48 52.24 V R17
2025-10-12 18:20:19 B 19 28 17.201 +11 21 25.85 V 160
2025-10-12 18:23:54 B 19 28 17.806 +11 21 21.02 V 160
2025-10-12 18:26:40 B 19 28 18.286 +11 21 17.03 V 160
2025-10-12 20:08:41 C 19 28 35.89 +11 18 59.3 V R85
2025-10-12 20:17:20 C 19 28 37.38 +11 18 47.5 V R85
2025-10-12 20:25:04 C 19 28 38.76 +11 18 37.5 V R85
2025-10-13 19:46:31 B 19 32 40.72 +10 47 28.5 V R99