2020 HD1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2872388340 ± 1.50e-07
Semi-major axis (a)1.5721492685 AU ± 2.10e-08
Inclination (i)23.02526601° ± 7.07e-05
Long. of Asc. Node (Ω)199.03275973° ± 1.47e-05
Arg. of Perihelion (ω)9.83140583° ± 3.27e-04
Mean Anomaly (M)299.30309475° ± 1.72e-04
Mean Motion (n)0.5000018477°/day ± 1.00e-08
Perihelion dist (q)1.12056695 AU ± 2.36e-07
Aphelion dist (Q)2.02373159 AU ± 2.37e-07
Orbital Period1.97124528 yr ± 3.96e-08
Physical Parameters
H (abs. magnitude)23.74
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.384″
Uncertainty0
Orbit TypeAmor
MOID0.121478 AU
Observations Used38
Oppositions1
Arc Total2020-2022
First Observation Used2020-04-10
Last Observation Used2022-04-08
Observations (39)
Date Type RA Dec Mag Band Observatory
2020-04-10 08:39:09 C 11 43 54.824 -02 32 19.05 V F52
2020-04-10 09:11:29 C 11 44 00.219 -02 28 24.53 V F52
2020-04-10 09:27:34 C 11 44 02.902 -02 26 29.01 V F52
2020-04-16 07:20:27 C 12 11 16.087 +14 15 06.62 V F52
2020-04-16 07:23:19 C 12 11 16.632 +14 15 27.07 V F52
2020-04-16 07:36:31 C 12 11 18.981 +14 16 53.67 V F52
2020-04-16 07:52:38 C 12 11 21.887 +14 18 41.10 V F52
2020-04-16 07:55:40 C 12 11 22.453 +14 19 00.98 V F52
2020-04-16 08:09:10 C 12 11 24.884 +14 20 30.30 V F52
2020-04-18 10:26:50 C 12 21 20.063 +19 39 22.44 U F51
2020-04-18 10:46:34 C 12 21 23.715 +19 41 21.83 U F51
2020-04-18 11:06:15 C 12 21 27.277 +19 43 19.29 U F51
2020-04-19 05:57:14 C 12 25 14.38 +21 34 52.7 V G96
2020-04-19 06:04:40 C 12 25 15.73 +21 35 36.0 V G96
2020-04-19 06:12:09 C 12 25 17.07 +21 36 20.1 V G96
2020-04-19 06:19:36 C 12 25 18.47 +21 37 02.7 V G96
2020-04-20 02:14:36 C 12 29 18.47 +23 29 55.9 u H21
2020-04-20 02:20:53 C 12 29 19.66 +23 30 30.9 u H21
2020-04-20 02:30:18 C 12 29 21.40 +23 31 23.5 u H21
2020-04-20 02:35:56 C 12 29 22.44 +23 31 55.8 u H21
2020-04-25 10:12:25 C 12 54 27.47 +33 32 38.3 V V06
2020-04-25 10:12:25 C 12 54 27.64 +33 32 44.4 V V06
2020-04-25 10:23:11 C 12 54 29.67 +33 33 25.3 V V06
2020-04-25 10:31:47 C 12 54 31.29 +33 33 58.1 V V06
2020-04-25 10:36:08 C 12 54 32.06 +33 34 13.8 V V06
2020-04-25 10:36:08 C 12 54 32.07 +33 34 13.8 V V06
2020-04-27 03:42:39 C 13 02 30.68 +36 04 35.4 u H21
2020-04-27 03:54:39 C 13 02 32.81 +36 05 16.7 u H21
2020-04-27 04:01:59 C 13 02 34.10 +36 05 41.9 u H21
2020-05-01 04:06:54 C 13 20 26.22 +40 46 45.8 u H21
2020-05-01 04:15:58 C 13 20 27.76 +40 47 08.0 u H21
2020-05-01 04:31:11 C 13 20 30.29 +40 47 45.4 u H21
2022-04-07 10:17:29 C 16 27 43.770 -08 17 43.00 V I52
2022-04-07 10:28:32 C 16 27 45.500 -08 16 40.00 V I52
2022-04-07 10:34:03 C 16 27 46.340 -08 16 07.70 V I52
2022-04-08 09:28:29 C 16 31 33.524 -06 04 10.67 V I52
2022-04-08 09:35:07 C 16 31 34.554 -06 03 31.93 V I52
2022-04-08 09:41:44 C 16 31 35.479 -06 02 53.95 V I52
2022-04-08 09:48:22 C 16 31 36.527 -06 02 15.72 V I52