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
2021-08-27 06:45:29 C 16 56 31.239 +04 58 05.68 U F51
2021-08-27 07:04:08 C 16 56 30.430 +04 58 34.56 U F51
2021-08-27 07:22:51 C 16 56 29.655 +04 59 03.84 U F51
2021-08-27 07:41:29 C 16 56 28.941 +04 59 33.00 U F51
2021-08-27 19:38:00 C 16 56 32.66 +05 18 23.3 V L01
2021-08-27 19:44:41 C 16 56 32.50 +05 18 34.2 V L01
2021-08-27 19:54:53 C 16 56 32.13 +05 18 51.6 V L01
2021-08-29 01:56:45 C 16 56 36.64 +06 18 46.5 u H21
2021-08-29 02:05:48 C 16 56 36.25 +06 19 06.6 u H21
2021-08-29 02:14:23 C 16 56 35.89 +06 19 25.9 u H21
2021-08-29 06:17:26 C 16 56 37.052 +06 29 51.00 U F51
2021-08-29 06:24:41 C 16 56 36.661 +06 30 07.52 U F51
2021-08-29 06:31:57 C 16 56 36.291 +06 30 24.31 U F51
2021-08-29 06:39:10 C 16 56 35.908 +06 30 41.12 U F51
2021-09-01 21:22:45 C 16 57 07.01 +12 06 45.1 V 204
2021-09-01 21:45:06 C 16 57 06.42 +12 09 04.9 V 204
2021-09-01 22:05:07 C 16 57 05.99 +12 11 11.1 V 204
2021-09-02 19:17:04 C 16 57 35.30 +14 55 49.7 V 033
2021-09-02 19:17:50 C 16 57 35.25 +14 55 56.7 V 033
2021-09-02 19:18:34 C 16 57 35.19 +14 56 03.2 V 033
2021-09-02 19:19:33 C 16 57 35.15 +14 56 12.4 V 033
2021-09-02 19:21:57 B 16 57 28.177 +15 05 13.78 V L80
2021-09-02 19:30:04 B 16 57 27.524 +15 06 26.99 V L80
2021-09-02 19:49:22 C 16 57 32.30 +15 01 28.3 V 104
2021-09-02 19:55:02 C 16 57 31.99 +15 02 19.8 V 104
2021-09-02 20:00:43 C 16 57 31.63 +15 03 12.3 V 104
2021-09-03 03:42:59 C 16 57 41.40 +16 22 22.8 o 291
2021-09-03 03:45:25 C 16 57 41.22 +16 22 48.1 o 291
2021-09-03 03:47:50 C 16 57 41.03 +16 23 13.8 o 291
2021-09-03 19:18:12 C 16 58 12.74 +19 38 00.8 V 033
2021-09-03 19:18:36 C 16 58 12.71 +19 38 06.6 V 033
2021-09-03 19:19:01 C 16 58 12.70 +19 38 12.9 V 033
2021-09-04 05:22:37 C 16 58 40.677 +22 32 30.80 V T12
2021-09-04 05:23:31 C 16 58 40.554 +22 32 47.70 V T12
2021-09-04 05:26:23 C 16 58 40.167 +22 33 41.17 V T12
2021-09-04 05:27:04 C 16 58 40.076 +22 33 54.03 V T12
2021-09-04 07:09:04 C 16 58 27.86 +23 06 06.0 V T08
2021-09-04 07:14:23 C 16 58 27.24 +23 07 42.2 V T08
2021-09-04 07:22:21 C 16 58 26.49 +23 10 16.2 V T08
2021-09-04 07:40:57 C 16 58 24.80 +23 16 12.8 V T08
2021-09-04 19:12:30 C 16 59 24.64 +27 39 21.5 V 033
2021-09-04 19:12:55 C 16 59 24.61 +27 39 32.3 V 033
2021-09-04 19:13:19 C 16 59 24.58 +27 39 43.3 V 033
2021-09-04 20:40:10 C 16 59 29.189 +28 24 40.24 V J04
2021-09-04 20:40:30 C 16 59 29.130 +28 24 48.99 V J04
2021-09-04 20:40:50 C 16 59 29.077 +28 24 58.53 V J04
2021-09-05 05:23:46 C 17 00 23.343 +33 07 47.42 V T12
2021-09-05 05:24:32 C 17 00 23.216 +33 08 15.12 V T12
2021-09-05 19:08:38 C 17 02 28.76 +43 27 38.7 V 033
2021-09-05 19:09:03 C 17 02 28.76 +43 28 01.4 V 033