2025 HC2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3239563377 ± 1.40e-04
Semi-major axis (a)1.1633379841 AU ± 1.49e-04
Inclination (i)9.74039259° ± 4.40e-03
Long. of Asc. Node (Ω)32.85195827° ± 3.23e-04
Arg. of Perihelion (ω)88.79435609° ± 2.05e-03
Mean Anomaly (M)221.61953964° ± 4.91e-02
Mean Motion (n)0.7855130662°/day ± 1.51e-04
Perihelion dist (q)0.78646727 AU ± 1.92e-04
Aphelion dist (Q)1.54020870 AU ± 2.56e-04
Orbital Period1.25475479 yr ± 2.41e-04
Physical Parameters
H (abs. magnitude)25.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.281″
Uncertainty2
Orbit TypeApollo
MOID0.018673 AU
Observations Used29
Oppositions1
Arc Total2025-2025
First Observation Used2025-04-22
Last Observation Used2025-04-28
Observations (32)
Date Type RA Dec Mag Band Observatory
2025-04-22 09:13:13 C 15 10 00.181 -18 01 39.22 V G96
2025-04-22 09:20:38 C 15 09 55.274 -18 02 28.75 V G96
2025-04-22 09:28:02 C 15 09 50.537 -18 03 18.65 V G96
2025-04-22 09:35:27 C 15 09 45.835 -18 04 07.36 V G96
2025-04-22 10:07:57 C 15 09 26.26 -18 07 50.5 V 673
2025-04-22 10:10:24 C 15 09 24.63 -18 08 07.1 V 673
2025-04-22 10:54:50 C 15 08 55.010 -18 12 53.17 V I52
2025-04-22 10:55:58 C 15 08 54.280 -18 12 59.87 V I52
2025-04-22 10:57:06 C 15 08 53.560 -18 13 07.86 V I52
2025-04-22 10:58:14 C 15 08 52.850 -18 13 15.20 V I52
2025-04-22 10:59:10 C 15 09 05.592 -18 09 30.85 W 474
2025-04-22 11:03:11 C 15 09 03.077 -18 09 58.07 W 474
2025-04-22 11:07:11 C 15 09 00.581 -18 10 25.07 W 474
2025-04-22 11:11:12 C 15 08 58.090 -18 10 53.15 W 474
2025-04-22 11:15:13 C 15 08 55.512 -18 11 20.51 W 474
2025-04-23 00:05:23 C 15 01 33.81 -19 36 00.7 V L01
2025-04-23 00:09:39 C 15 01 31.38 -19 36 26.4 V L01
2025-04-23 00:15:01 C 15 01 28.22 -19 36 57.4 V L01
2025-04-23 01:12:10 B 15 00 57.32 -19 42 31.9 V I93
2025-04-23 01:17:07 B 15 00 54.50 -19 43 00.1 V I93
2025-04-23 01:22:03 B 15 00 51.65 -19 43 29.1 V I93
2025-04-23 03:38:27 C 14 59 45.501 -19 53 19.09 V W57
2025-04-23 03:51:33 C 14 59 38.009 -19 54 34.04 V W57
2025-04-23 10:29:01 C 14 56 01.921 -20 33 56.09 V I52
2025-04-23 10:31:24 C 14 56 00.611 -20 34 08.72 V I52
2025-04-23 10:33:48 C 14 55 59.308 -20 34 21.43 V I52
2025-04-23 10:36:12 C 14 55 58.022 -20 34 33.35 V I52
2025-04-24 05:02:04 C 14 47 19.180 -22 03 01.60 V 807
2025-04-24 05:04:31 C 14 47 17.980 -22 03 12.80 V 807
2025-04-24 05:07:00 C 14 47 16.760 -22 03 24.20 V 807
2025-04-28 06:44:04 C 14 14 22.160 -27 08 35.30 V 691
2025-04-28 07:23:23 C 14 14 11.060 -27 09 56.30 V 691