2021 HP2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2682938000
Semi-major axis (a)0.9084681000 AU
Inclination (i)13.53826000°
Long. of Asc. Node (Ω)30.80039000°
Arg. of Perihelion (ω)311.92162000°
Mean Anomaly (M)1.37113000°
Mean Motion (n)1.1382549000°/day
Perihelion dist (q)0.66473170 AU
Aphelion dist (Q)1.15220450 AU
Orbital Period0.86589360 yr
Physical Parameters
H (abs. magnitude)27.43
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual1.120″
Uncertainty6
Orbit TypeAten
MOID0.014539 AU
Observations Used13
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-04-21
Observations (14)
Date Type RA Dec Mag Band Observatory
2021-04-20 09:46:26 C 15 31 26.85 -19 00 46.7 V G96
2021-04-20 09:53:59 C 15 31 22.81 -19 03 14.0 V G96
2021-04-20 10:01:32 C 15 31 18.82 -19 05 42.3 V G96
2021-04-20 10:09:07 C 15 31 14.63 -19 08 12.7 V G96
2021-04-20 11:21:34 C 15 30 35.54 -19 32 08.6 V I52
2021-04-20 11:24:01 C 15 30 34.17 -19 32 57.7 V I52
2021-04-20 11:26:28 C 15 30 32.88 -19 33 46.0 V I52
2021-04-21 07:14:48 C 15 19 31.28 -27 24 07.8 V G96
2021-04-21 07:15:48 C 15 19 30.41 -27 24 36.5 V G96
2021-04-21 07:16:18 C 15 19 30.03 -27 24 50.6 V G96
2021-04-21 08:48:47 C 15 18 10.09 -28 08 14.4 V H01
2021-04-21 08:55:19 C 15 18 04.46 -28 11 18.7 V H01
2021-04-21 09:14:05 C 15 17 48.17 -28 20 09.5 V H01
2021-04-21 09:21:10 C 15 17 41.99 -28 23 30.6 V H01