2021 HJ

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3969659000
Semi-major axis (a)1.6960565000 AU
Inclination (i)6.30167000°
Long. of Asc. Node (Ω)221.53809000°
Arg. of Perihelion (ω)301.42970000°
Mean Anomaly (M)46.72103000°
Mean Motion (n)0.4462144000°/day
Perihelion dist (q)1.02277990 AU
Aphelion dist (Q)2.36933310 AU
Orbital Period2.20882070 yr
Physical Parameters
H (abs. magnitude)25.29
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.940″
Uncertainty7
Orbit TypeAmor
MOID0.081233 AU
Observations Used26
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-05-01
Observations (27)
Date Type RA Dec Mag Band Observatory
2021-04-16 08:00:28 C 12 01 30.519 -21 10 58.09 U F51
2021-04-16 08:16:37 C 12 01 35.431 -21 10 24.02 U F51
2021-04-16 08:32:47 C 12 01 40.380 -21 09 50.01 U F51
2021-04-16 13:23:08 C 12 03 12.05 -20 58 07.9 V 474
2021-04-16 13:27:26 C 12 03 13.37 -20 57 58.0 V 474
2021-04-16 13:31:43 C 12 03 14.69 -20 57 49.2 V 474
2021-04-17 04:49:18 C 12 08 10.19 -20 27 26.0 V I52
2021-04-17 04:57:02 C 12 08 12.49 -20 27 10.5 V I52
2021-04-17 05:04:47 C 12 08 14.80 -20 26 54.5 V I52
2021-04-17 08:37:38 C 12 09 22.48 -20 17 53.0 V 474
2021-04-17 08:47:54 C 12 09 25.48 -20 17 32.5 V 474
2021-04-17 08:58:10 C 12 09 28.52 -20 17 12.3 V 474
2021-04-18 06:18:57 C 12 15 52.96 -19 35 01.1 o 291
2021-04-18 06:30:23 C 12 15 56.11 -19 34 37.8 o 291
2021-04-18 06:41:55 C 12 15 59.29 -19 34 14.1 o 291
2021-04-19 10:47:38 C 12 24 01.43 -18 36 43.7 V 474
2021-04-19 10:52:46 C 12 24 02.76 -18 36 35.1 V 474
2021-04-19 10:57:53 C 12 24 04.07 -18 36 24.1 V 474
2021-04-20 07:22:45 C 12 29 32.42 -17 58 28.4 V V06
2021-04-20 07:27:52 C 12 29 33.70 -17 58 18.7 V V06
2021-04-20 07:32:59 C 12 29 34.99 -17 58 08.4 V V06
2021-04-20 07:38:07 C 12 29 36.20 -17 57 58.7 V V06
2021-04-30 06:33:24 C 13 18 01.51 -11 50 18.7 o 291
2021-04-30 07:02:59 C 13 18 05.66 -11 49 43.6 o 291
2021-05-01 08:04:48 C 13 21 49.41 -11 21 01.4 o 291
2021-05-01 08:20:30 C 13 21 51.54 -11 20 43.3 o 291
2021-05-01 08:36:15 C 13 21 53.66 -11 20 25.4 o 291