2015 HM1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1822429939 ± 2.00e+00
Semi-major axis (a)1.0848241891 AU ± 3.00e+00
Inclination (i)18.74979402° ± 4.00e+00
Long. of Asc. Node (Ω)211.94655307° ± 5.00e+00
Arg. of Perihelion (ω)111.61809606° ± 6.00e+00
Mean Anomaly (M)33.00663213° ± 3.46e-01
Mean Motion (n)0.8722024400°/day ± 3.62e+00
Perihelion dist (q)0.88720970 AU ± 3.28e+00
Aphelion dist (Q)1.28259770 AU ± 4.16e+00
Orbital Period1.13002170 yr ± 4.69e+00
Physical Parameters
H (abs. magnitude)25.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.183″
Uncertainty3
Orbit TypeApollo
MOID0.011401 AU
Observations Used22
Oppositions1
Arc Total2015-2015
First Observation Used
Last Observation Used2015-04-28
Observations (23)
Date Type RA Dec Mag Band Observatory
2015-04-18 01:08:52 C 12 46 18.61 -20 59 04.2 L W84
2015-04-18 01:13:31 C 12 46 18.27 -20 58 42.1 L W84
2015-04-18 01:22:41 C 12 46 17.57 -20 57 57.5 L W84
2015-04-18 01:27:14 C 12 46 17.22 -20 57 35.6 L W84
2015-04-19 00:54:31 C 12 44 49.09 -19 00 19.5 L W84
2015-04-19 00:59:09 C 12 44 48.74 -18 59 56.1 L W84
2015-04-19 01:03:41 C 12 44 48.41 -18 59 33.4 L W84
2015-04-19 01:08:22 C 12 44 48.05 -18 59 09.4 L W84
2015-04-19 01:13:00 C 12 44 47.72 -18 58 46.2 L W84
2015-04-20 04:24:48 C 12 43 05.72 -16 37 09.5 o 291
2015-04-20 04:35:50 C 12 43 04.87 -16 36 10.2 o 291
2015-04-20 04:46:59 C 12 43 04.10 -16 35 11.3 o 291
2015-04-21 01:21:50 C 12 41 48.87 -14 41 38.8 L W84
2015-04-21 01:26:31 C 12 41 48.52 -14 41 13.1 L W84
2015-04-21 01:31:04 C 12 41 48.18 -14 40 47.3 L W84
2015-04-21 01:35:39 C 12 41 47.83 -14 40 22.0 L W84
2015-04-22 01:41:00 C 12 40 20.48 -12 23 59.2 L W84
2015-04-22 01:45:33 C 12 40 20.14 -12 23 33.5 L W84
2015-04-22 01:50:07 C 12 40 19.80 -12 23 07.1 L W84
2015-04-22 01:54:41 C 12 40 19.46 -12 22 41.4 L W84
2015-04-22 01:59:13 C 12 40 19.12 -12 22 15.5 L W84
2015-04-28 10:00:06 C 12 31 57.474 +03 19 04.52 t 568
2015-04-28 10:06:44 C 12 31 57.024 +03 19 47.55 t 568