IAA RAS IAA Minor Planet Database

2020 HW1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7961368450 ± 1.68e-07
Semi-major axis (a)1.9717730685 AU ± 7.98e-07
Inclination (i)23.30866533° ± 6.35e-05
Long. of Asc. Node (Ω)164.88582484° ± 2.27e-04
Arg. of Perihelion (ω)185.29926611° ± 2.41e-04
Mean Anomaly (M)338.46166620° ± 4.35e-04
Mean Motion (n)0.3559810506°/day ± 2.16e-07
Perihelion dist (q)0.40197188 AU ± 3.69e-07
Aphelion dist (Q)3.54157426 AU ± 1.47e-06
Orbital Period2.76876053 yr ± 1.68e-06
Physical Parameters
H (abs. magnitude)19.38
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.267″
Uncertainty0
Orbit TypeApollo
MOID0.359288 AU
Observations Used112
Oppositions2
Arc Total2017-2020
First Observation Used2017-12-30
Last Observation Used2020-05-20
Observations (113)
Date Type RA Dec Mag Band Observatory
2017-12-30 12:48:16 C 10 05 13.748 -17 17 31.40 – V F51
2017-12-30 13:04:11 C 10 05 12.398 -17 17 25.09 – V F51
2017-12-30 13:35:58 C 10 05 09.733 -17 17 11.97 – V F51
2018-01-01 12:58:37 C 10 01 13.174 -16 56 45.03 – V F51
2020-04-16 11:25:50 C 16 23 53.242 +24 35 36.99 – V F51
2020-04-16 11:29:48 C 16 23 53.310 +24 35 46.00 – V F51
2020-04-18 09:52:43 C 16 24 46.94 +26 26 44.8 – V G96
2020-04-18 10:00:14 C 16 24 47.01 +26 27 03.1 – V G96
2020-04-18 10:07:49 C 16 24 47.15 +26 27 21.7 – V G96
2020-04-18 10:15:21 C 16 24 47.28 +26 27 40.8 – V G96
2020-04-18 11:15:16 C 16 24 48.12 +26 30 07.0 – V I52
2020-04-18 11:19:23 C 16 24 48.15 +26 30 17.8 – V I52
2020-04-18 11:21:26 C 16 24 48.23 +26 30 22.6 – V I52
2020-04-18 14:25:52 C 16 24 51.552 +26 38 01.71 – U F51
2020-04-18 14:34:29 C 16 24 51.678 +26 38 22.93 – U F51
2020-04-18 14:43:09 C 16 24 51.806 +26 38 44.56 – U F51
2020-04-18 14:51:47 C 16 24 51.924 +26 39 05.76 – U F51
2020-04-19 07:43:38 C 16 25 10.81 +27 21 16.2 – V I52
2020-04-19 07:45:41 C 16 25 10.83 +27 21 21.9 – V I52
2020-04-19 07:47:45 C 16 25 10.87 +27 21 27.2 – V I52
2020-04-19 14:02:30 C 16 25 16.610 +27 37 22.40 – V F51
2020-04-19 14:06:24 C 16 25 16.656 +27 37 32.43 – V F51
2020-04-19 21:51:48 C 16 25 25.35 +27 57 15.7 – V 033
2020-04-19 21:55:08 C 16 25 25.40 +27 57 24.5 – V 033
2020-04-19 21:58:27 C 16 25 25.45 +27 57 33.0 – V 033
2020-04-20 07:15:57 C 16 25 34.36 +28 21 41.1 – u H21
2020-04-20 07:20:08 C 16 25 34.42 +28 21 52.1 – u H21
2020-04-20 07:24:19 C 16 25 34.45 +28 22 03.2 – u H21
2020-04-20 07:31:01 C 16 25 34.52 +28 22 20.3 – u H21
2020-04-20 20:49:28 C 16 25 47.77 +28 57 12.1 – V A17
2020-04-20 21:14:21 C 16 25 48.11 +28 58 17.8 – V A17
2020-04-20 21:40:29 C 16 25 48.50 +28 59 28.2 – V A17
2020-04-24 00:36:47 C 16 26 49.93 +32 27 19.2 – V A17
2020-04-24 00:55:44 C 16 26 50.09 +32 28 14.8 – V A17
2020-04-24 01:12:43 C 16 26 50.19 +32 29 04.0 – V A17
2020-04-24 11:23:25 C 16 26 56.76 +32 58 49.9 – V I52
2020-04-24 11:24:31 C 16 26 56.75 +32 58 53.2 – V I52
2020-04-24 11:25:38 C 16 26 56.78 +32 58 56.6 – V I52
2020-04-25 07:47:34 C 16 27 10.81 +33 59 27.2 – U I41
2020-04-25 08:38:49 C 16 27 11.12 +34 02 02.1 – U I41
2020-04-25 08:40:09 C 16 27 11.13 +34 02 06.0 – U I41
2020-04-25 10:11:29 C 16 27 11.67 +34 06 41.5 – U I41
2020-04-25 23:37:10 C 16 27 19.88 +34 47 23.8 – V A17
2020-04-25 23:54:11 C 16 27 19.95 +34 48 15.9 – V A17
2020-04-26 00:11:13 C 16 27 20.03 +34 49 08.8 – V A17
2020-04-26 10:42:16 C 16 27 25.05 +35 21 37.9 – V I52
2020-04-26 10:43:07 C 16 27 25.05 +35 21 40.5 – V I52
2020-04-26 10:43:58 C 16 27 25.06 +35 21 43.2 – V I52
2020-04-26 10:44:49 C 16 27 25.06 +35 21 45.8 – V I52
2020-04-27 10:19:42 C 16 27 36.35 +36 35 51.8 – V I52