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
2015-04-18 08:42:13 C 15 27 53.88 +33 22 56.9 q G96
2015-04-18 08:45:10 C 15 27 51.47 +33 22 25.0 q G96
2015-04-18 08:48:08 C 15 27 49.06 +33 21 53.3 q G96
2015-04-18 08:51:06 C 15 27 46.68 +33 21 22.0 q G96
2015-04-18 09:44:24 C 15 27 03.71 +33 11 54.2 q I52
2015-04-18 09:45:00 C 15 27 03.22 +33 11 48.0 q I52
2015-04-18 09:45:36 C 15 27 02.78 +33 11 41.9 q I52
2015-04-18 09:46:11 C 15 27 02.30 +33 11 36.1 q I52
2015-04-18 11:42:00 C 15 25 31.22 +32 51 06.3 o 291
2015-04-18 11:42:57 C 15 25 30.48 +32 50 55.8 o 291
2015-04-18 11:43:56 C 15 25 29.73 +32 50 45.8 o 291
2015-04-18 16:33:48 C 15 22 09.06 +32 00 48.2 q O75
2015-04-18 16:38:05 C 15 22 05.89 +32 00 05.3 q O75
2015-04-18 20:58:07 C 15 19 11.40 +31 16 52.6 033
2015-04-18 21:01:27 C 15 19 09.16 +31 16 20.7 033
2015-04-18 21:04:45 C 15 19 06.93 +31 15 49.1 033
2015-04-18 22:21:06 C 15 18 15.53 +31 03 39.7 033
2015-04-18 22:24:25 C 15 18 13.31 +31 03 08.2 033
2015-04-18 22:27:45 C 15 18 11.10 +31 02 36.9 033
2015-04-19 00:37:09 C 15 16 45.16 +30 42 09.4 033
2015-04-19 00:40:28 C 15 16 42.98 +30 41 38.1 033
2015-04-19 00:43:47 C 15 16 40.78 +30 41 06.7 033
2015-04-19 01:03:53 C 15 16 28.93 +30 37 55.2 q J95
2015-04-19 01:08:49 C 15 16 25.73 +30 37 08.9 q J95
2015-04-19 01:16:30 C 15 16 20.66 +30 35 56.7 q J95
2015-04-19 01:17:24 C 15 16 18.78 +30 35 48.9 033
2015-04-19 01:24:03 C 15 16 14.46 +30 34 46.5 033
2015-04-19 01:30:39 C 15 16 10.16 +30 33 43.8 033
2015-04-19 05:13:39 C 15 14 01.29 +29 59 37.6 o 926
2015-04-19 05:21:40 C 15 13 56.27 +29 58 26.1 o 926
2015-04-19 05:29:42 C 15 13 51.35 +29 57 14.7 o 926
2015-04-19 06:26:22 C 15 13 16.37 +29 48 46.4 q I52
2015-04-19 06:27:28 C 15 13 15.68 +29 48 36.4 q I52
2015-04-19 06:28:34 C 15 13 14.99 +29 48 26.6 q I52
2015-04-19 06:29:39 C 15 13 14.34 +29 48 17.6 q I52
2015-04-19 11:28:15 C 15 10 14.75 +29 04 08.0 o 926
2015-04-19 11:36:16 C 15 10 10.15 +29 02 57.3 o 926
2015-04-19 11:44:19 C 15 10 05.51 +29 01 46.0 o 926
2015-04-19 21:49:54 C 15 04 58.26 +27 36 53.8 q J95
2015-04-19 21:58:39 C 15 04 53.82 +27 35 45.1 q J95
2015-04-19 22:07:37 C 15 04 49.26 +27 34 34.1 q J95
2015-04-19 22:16:06 C 15 04 44.96 +27 33 27.0 q J95
2015-04-19 22:50:51 C 15 04 27.68 +27 29 04.0 q I93
2015-04-19 23:05:10 C 15 04 20.41 +27 27 11.3 q I93
2015-04-19 23:15:06 C 15 04 15.37 +27 25 53.9 q I93
2015-04-20 00:43:40 C 15 03 29.72 +27 14 16.3 t 204
2015-04-20 00:57:09 C 15 03 22.98 +27 12 30.5 t 204
2015-04-20 01:10:54 C 15 03 16.09 +27 10 42.6 t 204
2015-04-21 05:57:25 C 14 51 31.01 +23 48 42.3 o 926
2015-04-21 06:05:47 C 14 51 27.92 +23 47 50.3 o 926