2025 HC

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5956283300 ± 9.03e-05
Semi-major axis (a)1.9252676693 AU ± 3.70e-04
Inclination (i)0.84956828° ± 9.01e-05
Long. of Asc. Node (Ω)212.04298528° ± 7.27e-05
Arg. of Perihelion (ω)64.90435168° ± 3.75e-04
Mean Anomaly (M)62.80923373° ± 1.74e-02
Mean Motion (n)0.3689568683°/day ± 1.06e-04
Perihelion dist (q)0.77852370 AU ± 2.29e-04
Aphelion dist (Q)3.07201164 AU ± 6.16e-04
Orbital Period2.67138619 yr ± 7.71e-04
Physical Parameters
H (abs. magnitude)26.42
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.278″
Uncertainty2
Orbit TypeApollo
MOID0.000461 AU
Observations Used66
Oppositions1
Arc Total2025-2025
First Observation Used2025-04-18
Last Observation Used2025-04-20
Observations (66)
Date Type RA Dec Mag Band Observatory
2025-04-19 04:27:33 C 12 15 37.234 -05 40 49.30 V U52
2025-04-19 04:29:57 C 12 15 34.068 -05 40 37.20 V U52
2025-04-19 19:22:47 B 11 47 05.28 -03 46 26.3 X G02
2025-04-19 19:27:09 B 11 46 51.42 -03 45 31.9 X G02
2025-04-19 19:31:32 B 11 46 37.42 -03 44 37.3 X G02
2025-04-19 19:47:48 B 11 45 36.05 -03 41 26.3 X L99
2025-04-19 19:51:56 B 11 45 22.33 -03 40 33.1 X L99
2025-04-19 19:56:02 B 11 45 08.82 -03 39 40.9 X L99
2025-04-19 20:51:12 B 11 42 15.391 -03 27 44.42 V L65
2025-04-19 21:04:11 B 11 41 28.997 -03 24 42.30 V L65
2025-04-19 21:17:12 B 11 40 41.662 -03 21 35.78 V L65
2025-04-19 21:57:39 B 11 38 16.037 -03 11 18.85 W Z80
2025-04-19 22:05:32 B 11 37 45.286 -03 09 17.24 W Z80
2025-04-19 22:12:59 B 11 37 16.001 -03 07 21.58 W Z80
2025-04-20 04:40:41 C 11 04 29.510 -00 42 20.90 V 691
2025-04-20 04:52:26 C 11 03 03.590 -00 36 29.80 V 691