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
2020-04-27 10:23:24 C 16 27 36.30 +36 36 04.7 – V I52
2020-04-27 11:10:07 C 16 27 36.47 +36 38 32.8 – V I52
2020-04-28 11:15:38 C 16 27 45.63 +37 56 24.0 – V I52
2020-04-28 11:17:28 C 16 27 45.60 +37 56 29.4 – V I52
2020-04-28 11:19:14 C 16 27 45.66 +37 56 35.4 – V I52
2020-04-28 11:25:09 C 16 27 45.66 +37 56 54.5 – V I52
2020-05-02 09:09:57 C 16 28 00.02 +43 20 02.2 – V 703
2020-05-02 09:18:06 C 16 28 00.04 +43 20 32.5 – V 703
2020-05-02 09:33:55 C 16 28 00.20 +43 21 28.4 – V 703
2020-05-03 11:08:12 C 16 27 56.61 +44 55 14.7 – V I52
2020-05-03 11:08:47 C 16 27 56.55 +44 55 16.6 – V I52
2020-05-03 11:12:03 C 16 27 56.53 +44 55 28.9 – V I52
2020-05-03 11:12:40 C 16 27 56.56 +44 55 31.1 – V I52
2020-05-03 23:46:34 C 16 27 55.01 +45 42 26.9 – V 204
2020-05-04 00:08:33 C 16 27 54.87 +45 43 49.6 – V 204
2020-05-04 02:12:52 C 16 27 53.62 +45 51 37.5 – V L01
2020-05-04 02:15:09 C 16 27 53.59 +45 51 46.2 – V L01
2020-05-04 02:17:26 C 16 27 53.54 +45 51 54.4 – V L01
2020-05-04 06:25:24 C 16 27 53.32 +46 07 33.8 – u H21
2020-05-04 06:28:48 C 16 27 53.30 +46 07 46.7 – u H21
2020-05-04 06:32:34 C 16 27 53.27 +46 08 00.9 – u H21
2020-05-04 06:36:21 C 16 27 53.24 +46 08 15.3 – u H21
2020-05-04 06:40:08 C 16 27 53.20 +46 08 29.7 – u H21
2020-05-04 06:43:55 C 16 27 53.14 +46 08 43.8 – u H21
2020-05-04 06:47:41 C 16 27 53.11 +46 08 58.4 – u H21
2020-05-04 06:51:28 C 16 27 53.06 +46 09 12.8 – u H21
2020-05-04 06:56:00 C 16 27 53.02 +46 09 29.9 – u H21
2020-05-05 08:47:30 C 16 27 43.89 +47 48 42.6 – V G96
2020-05-05 08:56:13 C 16 27 43.77 +47 49 16.6 – V G96
2020-05-05 09:04:39 C 16 27 43.65 +47 49 49.3 – V G96
2020-05-05 09:12:24 C 16 27 43.58 +47 50 19.3 – V G96
2020-05-06 21:25:59 C 16 27 25.32 +50 13 16.4 – V A17
2020-05-06 21:44:01 C 16 27 25.06 +50 14 29.7 – V A17
2020-05-06 21:59:49 C 16 27 24.85 +50 15 33.1 – V A17
2020-05-09 05:39:56 C 16 26 37.30 +54 04 47.3 – u H21
2020-05-09 05:45:02 C 16 26 37.13 +54 05 08.8 – u H21
2020-05-09 05:50:55 C 16 26 36.99 +54 05 33.8 – u H21
2020-05-09 05:57:06 C 16 26 36.84 +54 05 59.9 – u H21
2020-05-09 06:58:14 C 16 26 35.51 +54 10 19.2 – q H36
2020-05-09 07:11:52 C 16 26 35.23 +54 11 16.4 – q H36
2020-05-09 07:25:28 C 16 26 34.87 +54 12 13.4 – q H36
2020-05-09 07:38:01 C 16 26 34.54 +54 13 06.6 – q H36
2020-05-12 08:07:18 C 16 24 49.70 +59 27 44.9 – V G96
2020-05-12 08:14:53 C 16 24 49.41 +59 28 17.9 – V G96
2020-05-12 08:22:29 C 16 24 49.10 +59 28 52.1 – V G96
2020-05-12 08:30:03 C 16 24 48.81 +59 29 25.7 – V G96
2020-05-12 12:22:30 C 16 24 40.893 +59 46 46.29 – U F51
2020-05-12 12:32:52 C 16 24 40.460 +59 47 32.85 – U F51
2020-05-12 12:43:17 C 16 24 39.999 +59 48 19.12 – U F51
2020-05-13 10:06:08 C 16 23 55.28 +61 24 29.6 – V I52