2021 HB2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1275963129 ± 3.27e-05
Semi-major axis (a)0.9413082891 AU ± 1.13e-05
Inclination (i)10.38243194° ± 3.85e-03
Long. of Asc. Node (Ω)207.10397083° ± 2.63e-04
Arg. of Perihelion (ω)227.66191063° ± 9.17e-03
Mean Anomaly (M)132.70989254° ± 4.06e-02
Mean Motion (n)1.0792310994°/day ± 1.95e-05
Perihelion dist (q)0.82120082 AU ± 3.23e-05
Aphelion dist (Q)1.06141576 AU ± 3.33e-05
Orbital Period0.91326713 yr ± 1.65e-05
Physical Parameters
H (abs. magnitude)28.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.371″
Uncertainty2
Orbit TypeAten
MOID0.008004 AU
Observations Used27
Oppositions1
Arc Total2021-2021
First Observation Used2021-04-19
Last Observation Used2021-04-20
Observations (27)
Date Type RA Dec Mag Band Observatory
2021-04-19 08:34:59 C 14 36 26.37 +14 44 41.0 V G96
2021-04-19 08:43:18 C 14 36 22.71 +14 47 51.6 V G96
2021-04-19 08:51:42 C 14 36 19.03 +14 51 05.5 V G96
2021-04-19 09:00:03 C 14 36 15.32 +14 54 17.3 V G96
2021-04-19 10:48:20 C 14 35 30.33 +15 34 38.4 V I52
2021-04-19 10:49:57 C 14 35 29.72 +15 35 13.8 V I52
2021-04-19 10:53:13 C 14 35 28.47 +15 36 25.3 V I52
2021-04-19 13:53:11 C 14 34 38.143 +16 43 42.48 V F51
2021-04-19 14:13:10 C 14 34 30.442 +16 50 36.91 V F51
2021-04-19 22:34:39 C 14 33 06.35 +19 32 36.2 V J95
2021-04-19 22:51:36 C 14 33 00.62 +19 37 57.0 V J95
2021-04-19 23:08:26 C 14 32 54.97 +19 43 13.8 V J95
2021-04-20 00:56:57 C 14 32 10.46 +20 17 16.0 V L01
2021-04-20 00:59:15 C 14 32 09.69 +20 17 57.5 V L01
2021-04-20 01:01:32 C 14 32 08.87 +20 18 38.9 V L01
2021-04-20 01:03:50 C 14 32 08.10 +20 19 20.0 V L01
2021-04-20 01:06:07 C 14 32 07.32 +20 20 00.6 V L01
2021-04-20 03:39:16 C 14 32 10.20 +21 05 29.2 V H01
2021-04-20 03:45:22 C 14 32 08.40 +21 07 18.4 V H01
2021-04-20 03:59:39 C 14 32 04.08 +21 11 34.2 V H01
2021-04-20 04:12:21 C 14 32 00.16 +21 15 20.2 V H01
2021-04-20 05:03:17 C 14 31 45.65 +21 30 23.6 V I52
2021-04-20 05:06:08 C 14 31 44.74 +21 31 13.1 V I52
2021-04-20 05:11:49 C 14 31 42.80 +21 32 53.2 V I52
2021-04-20 07:01:14 C 14 31 08.33 +22 03 37.4 V 654
2021-04-20 08:29:09 C 14 30 37.28 +22 27 45.5 V 654
2021-04-20 09:10:38 C 14 30 22.70 +22 38 49.6 V 654