2021 HE2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2451107000
Semi-major axis (a)1.3776758000 AU
Inclination (i)9.39636000°
Long. of Asc. Node (Ω)201.41537000°
Arg. of Perihelion (ω)11.16004000°
Mean Anomaly (M)300.10043000°
Mean Motion (n)0.6095137600°/day
Perihelion dist (q)1.03999270 AU
Aphelion dist (Q)1.71535890 AU
Orbital Period1.61703920 yr
Physical Parameters
H (abs. magnitude)25.81
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.700″
Uncertainty6
Orbit TypeAmor
MOID0.039677 AU
Observations Used54
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-05-11
Observations (54)
Date Type RA Dec Mag Band Observatory
2021-04-10 08:08:23 C 12 42 14.89 -10 34 22.4 V 703
2021-04-10 08:16:10 C 12 42 18.42 -10 33 23.8 V 703
2021-04-10 08:31:44 C 12 42 25.58 -10 31 26.0 V 703
2021-04-19 13:20:45 C 14 47 47.578 +19 48 57.09 U F51
2021-04-19 13:40:46 C 14 47 57.819 +19 51 13.11 U F51
2021-04-19 14:00:51 C 14 48 08.174 +19 53 29.17 U F51
2021-04-19 14:20:52 C 14 48 18.533 +19 55 43.99 U F51
2021-04-19 20:19:20 C 14 51 56.37 +20 34 52.5 V 033
2021-04-19 20:20:55 C 14 51 57.20 +20 35 03.7 V 033
2021-04-19 20:22:30 C 14 51 58.03 +20 35 14.0 V 033
2021-04-19 20:24:08 C 14 51 58.92 +20 35 25.6 V 033
2021-04-20 01:12:38 C 14 54 28.66 +21 08 15.3 V L01
2021-04-20 01:14:53 C 14 54 29.82 +21 08 30.0 V L01
2021-04-20 01:17:07 C 14 54 30.88 +21 08 44.4 V L01
2021-04-20 01:19:22 C 14 54 32.05 +21 08 58.9 V L01
2021-04-20 01:22:10 C 14 54 33.50 +21 09 17.7 V L01
2021-04-20 04:28:16 C 14 56 29.49 +21 29 56.8 V H01
2021-04-20 04:33:10 C 14 56 32.04 +21 30 29.9 V H01
2021-04-20 04:48:06 C 14 56 39.80 +21 32 10.7 V H01
2021-04-20 05:02:19 C 14 56 47.15 +21 33 46.4 V H01
2021-04-20 06:39:41 C 14 57 37.58 +21 44 40.1 V 291
2021-04-20 06:43:16 C 14 57 39.37 +21 45 03.2 V 291
2021-04-20 06:46:55 C 14 57 41.22 +21 45 27.6 V 291
2021-04-20 09:05:25 C 14 58 49.86 +22 00 25.0 V I52
2021-04-20 09:07:15 C 14 58 50.78 +22 00 36.5 V I52
2021-04-20 09:09:04 C 14 58 51.68 +22 00 48.1 V I52
2021-04-20 09:10:53 C 14 58 52.58 +22 00 59.5 V I52
2021-04-20 23:11:24 C 15 06 33.00 +23 27 11.8 V 033
2021-04-20 23:13:14 C 15 06 33.90 +23 27 22.8 V 033
2021-04-20 23:15:04 C 15 06 34.81 +23 27 34.1 V 033
2021-04-21 08:28:07 C 15 11 26.70 +24 23 02.5 V I52
2021-04-21 08:31:45 C 15 11 28.40 +24 23 24.0 V I52
2021-04-22 10:04:27 C 15 24 34.16 +26 42 15.1 V I52
2021-04-22 10:06:16 C 15 24 34.97 +26 42 24.2 V I52
2021-04-22 22:17:54 C 15 30 47.39 +27 41 39.3 V 033
2021-04-22 22:19:59 C 15 30 48.34 +27 41 49.5 V 033
2021-04-22 22:22:03 C 15 30 49.30 +27 41 59.8 V 033
2021-04-22 22:24:11 C 15 30 50.29 +27 42 10.1 V 033
2021-04-23 07:08:33 C 15 35 05.17 +28 24 02.4 V I52
2021-04-23 07:13:50 C 15 35 07.48 +28 24 27.2 V I52
2021-04-23 07:19:06 C 15 35 09.75 +28 24 51.8 V I52
2021-04-23 21:23:15 C 15 41 51.39 +29 25 37.6 V 033
2021-04-23 21:25:30 C 15 41 52.40 +29 25 47.2 V 033
2021-04-23 21:27:44 C 15 41 53.36 +29 25 57.2 V 033
2021-04-23 21:29:58 C 15 41 54.37 +29 26 06.7 V 033
2021-04-24 10:45:09 C 15 47 47.71 +30 21 18.7 V I52
2021-04-24 10:48:47 C 15 47 49.22 +30 21 32.9 V I52
2021-04-24 10:52:24 C 15 47 50.69 +30 21 47.0 V I52
2021-04-26 00:35:18 C 16 04 11.25 +32 34 40.0 V 033
2021-04-26 00:37:08 C 16 04 11.92 +32 34 45.7 V 033