2021 HZ1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2742903274 ± 9.78e-05
Semi-major axis (a)1.3802745128 AU ± 1.99e-04
Inclination (i)15.78447211° ± 4.04e-03
Long. of Asc. Node (Ω)199.07485305° ± 8.13e-04
Arg. of Perihelion (ω)65.91528713° ± 4.18e-03
Mean Anomaly (M)267.82499802° ± 2.11e-01
Mean Motion (n)0.6078047268°/day ± 1.32e-04
Perihelion dist (q)1.00167856 AU ± 1.98e-04
Aphelion dist (Q)1.75887046 AU ± 2.88e-04
Orbital Period1.62161668 yr ± 3.51e-04
Physical Parameters
H (abs. magnitude)23.28
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.244″
Uncertainty3
Orbit TypeApollo
MOID0.110231 AU
Observations Used64
Oppositions1
Arc Total2021-2021
First Observation Used2021-04-04
Last Observation Used2021-05-02
Observations (64)
Date Type RA Dec Mag Band Observatory
2021-04-25 22:42:18 C 16 30 35.10 +31 51 55.3 V 033
2021-04-25 22:43:58 C 16 30 35.58 +31 52 05.5 V 033
2021-04-25 22:45:38 C 16 30 36.06 +31 52 15.9 V 033
2021-04-25 22:47:17 C 16 30 36.56 +31 52 26.1 V 033
2021-04-30 00:07:31 C 17 01 24.43 +40 56 23.0 V 033
2021-04-30 00:10:05 C 17 01 25.23 +40 56 36.1 V 033
2021-04-30 00:12:40 C 17 01 26.09 +40 56 49.6 V 033
2021-04-30 10:37:23 C 17 04 49.40 +41 48 38.5 V I52
2021-04-30 10:40:25 C 17 04 50.34 +41 48 53.0 V I52
2021-04-30 10:43:26 C 17 04 51.23 +41 49 07.1 V I52
2021-05-02 09:26:32 C 17 20 31.81 +45 22 52.5 V G96
2021-05-02 09:36:12 C 17 20 34.84 +45 23 34.4 V G96
2021-05-02 09:46:02 C 17 20 37.99 +45 24 16.3 V G96
2021-05-02 09:56:25 C 17 20 41.23 +45 25 00.8 V G96