2021 QH1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5456124309 ± 1.77e-05
Semi-major axis (a)2.2187842379 AU ± 8.83e-05
Inclination (i)4.47404784° ± 8.96e-05
Long. of Asc. Node (Ω)168.31722193° ± 3.63e-05
Arg. of Perihelion (ω)176.84130361° ± 6.10e-05
Mean Anomaly (M)97.85101594° ± 2.72e-02
Mean Motion (n)0.2982219929°/day ± 1.78e-05
Perihelion dist (q)1.00818798 AU ± 5.61e-05
Aphelion dist (Q)3.42938050 AU ± 1.42e-04
Orbital Period3.30500871 yr ± 1.97e-04
Physical Parameters
H (abs. magnitude)25.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.208″
Uncertainty2
Orbit TypeApollo
MOID0.000158 AU
Observations Used84
Oppositions1
Arc Total2021-2021
First Observation Used2021-08-27
Last Observation Used2021-09-09
Observations (84)
Date Type RA Dec Mag Band Observatory
2021-09-05 19:09:27 C 17 02 28.75 +43 28 24.1 V 033
2021-09-05 20:40:57 C 17 02 45.948 +45 04 19.66 V J04
2021-09-05 20:41:12 C 17 02 45.893 +45 04 33.46 V J04
2021-09-05 20:52:52 C 17 02 41.05 +45 07 31.5 V Z80
2021-09-05 20:57:17 C 17 02 41.16 +45 12 03.9 q J69
2021-09-05 20:58:26 C 17 02 41.22 +45 12 57.0 V Z80
2021-09-05 21:04:01 C 17 02 41.43 +45 18 25.5 V Z80
2021-09-05 21:05:04 C 17 02 41.42 +45 19 40.7 q J69
2021-09-05 21:09:41 C 17 02 41.72 +45 23 58.2 V Z80
2021-09-05 21:12:54 C 17 02 41.76 +45 27 21.4 q J69
2021-09-05 21:20:41 C 17 02 42.17 +45 35 01.6 q J69
2021-09-05 22:26:13 C 17 02 49.18 +46 40 28.2 V J95
2021-09-05 22:32:24 C 17 02 50.04 +46 46 45.8 V J95
2021-09-05 22:39:45 C 17 02 51.12 +46 54 14.9 V J95
2021-09-05 22:46:34 C 17 02 52.21 +47 01 13.3 V J95
2021-09-06 18:56:57 C 17 25 32.91 +76 13 29.7 V 033
2021-09-06 18:57:16 C 17 25 33.90 +76 14 04.4 V 033
2021-09-06 18:57:36 C 17 25 34.85 +76 14 38.7 V 033
2021-09-06 21:10:47 C 17 36 30.22 +80 12 33.7 V Z80
2021-09-06 21:15:47 C 17 37 03.64 +80 21 28.0 V Z80
2021-09-06 21:21:03 C 17 37 40.39 +80 30 50.5 V Z80
2021-09-07 19:13:02 C 04 42 24.38 +60 58 36.8 V 033
2021-09-07 19:13:21 C 04 42 24.77 +60 58 10.2 V 033
2021-09-07 19:13:41 C 04 42 25.20 +60 57 43.3 V 033
2021-09-07 19:14:26 C 04 42 26.00 +60 56 41.0 V 033
2021-09-07 21:06:33 C 04 44 02.50 +58 24 37.3 V Z80
2021-09-07 21:16:39 C 04 44 11.19 +58 11 31.6 V Z80
2021-09-08 00:50:49 C 04 46 07.22 +53 52 00.7 V A17
2021-09-08 01:01:12 C 04 46 09.47 +53 40 01.6 V A17
2021-09-08 01:08:32 C 04 46 10.96 +53 31 33.9 V A17
2021-09-09 03:24:43 C 04 50 43.16 +32 29 11.9 V 033
2021-09-09 03:25:08 C 04 50 43.13 +32 28 59.3 V 033
2021-09-09 03:25:32 C 04 50 43.08 +32 28 46.6 V 033
2021-09-09 03:26:02 C 04 50 43.06 +32 28 32.0 V 033