2021 HG2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3860353000
Semi-major axis (a)1.6564063000 AU
Inclination (i)10.15475000°
Long. of Asc. Node (Ω)209.83535000°
Arg. of Perihelion (ω)356.29220000°
Mean Anomaly (M)55.87368000°
Mean Motion (n)0.4623318000°/day
Perihelion dist (q)1.01697500 AU
Aphelion dist (Q)2.29583760 AU
Orbital Period2.13181890 yr
Physical Parameters
H (abs. magnitude)25.11
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.700″
Uncertainty6
Orbit TypeAmor
MOID0.012625 AU
Observations Used102
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-05-14
Observations (103)
Date Type RA Dec Mag Band Observatory
2021-04-18 05:54:59 C 09 18 13.335 -05 05 36.63 V F51
2021-04-18 05:58:57 C 09 18 15.749 -05 04 59.59 V F51
2021-04-19 06:22:57 C 09 36 49.660 -00 51 37.47 V F52
2021-04-19 06:37:15 C 09 37 00.533 -00 48 52.10 U F52
2021-04-19 06:52:03 C 09 37 11.871 -00 45 59.84 U F52
2021-04-19 21:08:45 C 09 50 09.37 +02 08 22.8 V J95
2021-04-19 21:46:40 C 09 50 44.01 +02 16 42.6 V J95
2021-04-19 21:57:41 C 09 50 54.12 +02 19 07.8 V J95
2021-04-19 23:00:02 C 09 51 51.91 +02 32 56.0 V Z80
2021-04-19 23:23:51 C 09 52 14.36 +02 38 12.5 V Z80
2021-04-20 01:06:48 C 09 54 10.00 +03 02 41.3 X W34
2021-04-20 01:19:09 C 09 54 21.39 +03 05 29.3 X W34
2021-04-20 01:31:16 C 09 54 32.62 +03 08 14.3 X W34
2021-04-20 03:17:05 C 09 56 20.99 +03 32 44.1 V I52
2021-04-20 03:17:22 C 09 56 21.25 +03 32 47.5 V I52
2021-04-20 03:17:39 C 09 56 21.51 +03 32 51.1 V I52
2021-04-20 03:17:55 C 09 56 21.78 +03 32 54.9 V I52
2021-04-20 21:10:35 C 10 16 06.34 +07 57 06.8 V 595
2021-04-20 21:15:54 C 10 16 12.41 +07 58 29.5 V 595
2021-04-20 21:21:12 C 10 16 18.40 +07 59 52.7 V 595
2021-04-21 21:12:47 C 10 48 27.28 +14 44 17.7 V J95
2021-04-21 21:17:56 C 10 48 34.54 +14 45 50.0 V J95
2021-04-21 21:28:53 C 10 48 49.99 +14 49 05.9 V J95
2021-04-21 21:33:57 C 10 48 57.16 +14 50 36.5 V J95
2021-04-22 21:34:58 C 11 28 13.43 +22 09 45.0 V J95
2021-04-22 21:40:49 C 11 28 23.35 +22 11 31.6 V J95
2021-04-22 21:47:14 C 11 28 34.26 +22 13 28.7 V J95
2021-04-22 21:53:02 C 11 28 44.08 +22 15 14.3 V J95
2021-04-22 23:26:47 C 11 31 24.09 +22 43 27.6 V Z80
2021-04-22 23:36:47 C 11 31 41.30 +22 46 27.0 V Z80
2021-04-22 23:47:07 C 11 31 59.23 +22 49 32.3 V Z80
2021-04-23 22:11:21 C 12 14 47.28 +29 15 49.1 V L18
2021-04-23 22:14:07 C 12 14 52.59 +29 16 32.1 V L18
2021-04-23 22:16:54 C 12 14 57.92 +29 17 16.1 V L18
2021-04-24 04:08:02 C 12 27 08.83 +30 49 47.9 V I52
2021-04-24 04:08:18 C 12 27 09.32 +30 49 51.7 V I52
2021-04-24 04:08:34 C 12 27 09.89 +30 49 56.2 V I52
2021-04-24 04:08:51 C 12 27 10.41 +30 50 00.3 V I52
2021-04-24 19:59:28 C 12 59 49.81 +34 23 05.8 V A17
2021-04-24 20:07:40 C 13 00 06.12 +34 24 47.2 V A17
2021-04-24 20:16:17 C 13 00 23.33 +34 26 34.2 V A17
2021-04-24 21:02:59 C 13 01 54.84 +34 35 58.2 V 033
2021-04-24 21:03:29 C 13 01 55.83 +34 36 04.2 V 033
2021-04-24 21:03:58 C 13 01 56.79 +34 36 10.0 V 033
2021-04-24 21:46:21 C 13 03 25.09 +34 44 25.8 V Z80
2021-04-24 21:54:41 C 13 03 41.61 +34 46 05.5 V Z80
2021-04-24 21:57:18 C 13 03 43.06 +34 47 33.8 q 160
2021-04-24 21:59:08 C 13 03 46.58 +34 47 55.6 q 160
2021-04-24 22:00:58 C 13 03 50.12 +34 48 16.3 q 160
2021-04-24 22:02:41 C 13 03 57.46 +34 47 39.9 V Z80