2015 HG1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6253751726
Semi-major axis (a)1.6317683749 AU
Inclination (i)5.13940568°
Long. of Asc. Node (Ω)173.50392387° ± 5.00e+00
Arg. of Perihelion (ω)299.97042826° ± 6.00e+00
Mean Anomaly (M)55.32890262°
Mean Motion (n)0.4728954000°/day
Perihelion dist (q)0.61131680 AU
Aphelion dist (Q)2.65197560 AU
Orbital Period2.08419810 yr
Physical Parameters
H (abs. magnitude)23.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.458″
Uncertainty
Orbit TypeApollo
MOID0.043852 AU
Observations Used68
Oppositions1
Arc Total
First Observation Used
Last Observation Used2015-04-27
Observations (68)
Date Type RA Dec Mag Band Observatory
2015-04-21 06:14:07 C 14 51 24.78 +23 46 58.9 o 926
2015-04-21 06:48:21 C 14 51 09.62 +23 43 15.9 u H21
2015-04-21 06:51:35 C 14 51 08.39 +23 42 56.0 u H21
2015-04-21 06:55:19 C 14 51 07.03 +23 42 32.2 u H21
2015-04-22 05:14:20 C 14 44 05.39 +21 33 30.2 t 705
2015-04-22 05:16:13 C 14 44 04.65 +21 33 17.1 t 705
2015-04-22 05:18:05 C 14 44 04.23 +21 33 10.1 t 705
2015-04-23 05:28:34 C 14 37 45.91 +19 33 55.7 u H21
2015-04-23 05:36:44 C 14 37 43.84 +19 33 18.6 u H21
2015-04-23 05:45:22 C 14 37 41.66 +19 32 39.5 u H21
2015-04-24 05:53:15 C 14 32 32.08 +17 51 07.1 u H21
2015-04-24 05:58:33 C 14 32 30.96 +17 50 46.0 u H21
2015-04-24 06:02:53 C 14 32 30.04 +17 50 29.3 u H21
2015-04-24 07:47:36 C 14 32 08.05 +17 43 42.0 u H21
2015-04-24 07:57:36 C 14 32 05.97 +17 43 02.9 u H21
2015-04-24 08:09:18 C 14 32 03.57 +17 42 17.9 u H21
2015-04-27 04:35:39 C 14 21 37.13 +14 03 34.4 u H21
2015-04-27 04:45:59 C 14 21 35.71 +14 03 07.3 u H21