2020 HW3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5467579000
Semi-major axis (a)1.1572916000 AU
Inclination (i)45.81778000°
Long. of Asc. Node (Ω)213.89858000°
Arg. of Perihelion (ω)114.70483000°
Mean Anomaly (M)124.40412000°
Mean Motion (n)0.7916620900°/day
Perihelion dist (q)0.52453330 AU
Aphelion dist (Q)1.79004990 AU
Orbital Period1.24498520 yr
Physical Parameters
H (abs. magnitude)22.10
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.660″
Uncertainty6
Orbit TypeApollo
MOID0.033312 AU
Observations Used160
Radar Obs Used3
Oppositions1
Arc Total
First Observation Used
Last Observation Used2020-04-27
Observations (160)
Date Type RA Dec Mag Band Observatory
2020-04-22 23:37:14 C 16 23 33.59 -11 04 00.0 V Z80
2020-04-22 23:40:15 C 16 23 34.67 -11 02 03.6 V Z80
2020-04-22 23:43:14 C 16 23 35.67 -11 00 07.0 V Z80
2020-04-23 01:26:45 C 16 24 09.02 -09 51 56.5 V K87
2020-04-23 01:31:16 C 16 24 10.54 -09 48 55.7 V K87
2020-04-23 01:42:31 C 16 24 14.32 -09 41 22.5 V K87
2020-04-23 01:47:02 C 16 24 15.91 -09 38 19.9 V K87
2020-04-23 01:58:17 C 16 24 19.64 -09 30 45.0 V K87
2020-04-23 02:02:49 C 16 24 21.20 -09 27 41.7 V K87
2020-04-23 20:31:19 C 16 32 28.38 +05 13 44.2 V L18
2020-04-23 20:32:23 C 16 32 28.82 +05 14 41.9 V L18
2020-04-23 20:33:26 C 16 32 29.45 +05 15 39.3 V L18
2020-04-23 20:57:22 C 16 32 41.53 +05 37 28.1 V G34
2020-04-23 20:59:58 C 16 32 42.78 +05 39 52.1 V G34
2020-04-23 21:02:35 C 16 32 44.00 +05 42 15.5 V G34
2020-04-23 21:05:11 C 16 32 45.26 +05 44 39.6 V G34
2020-04-24 00:33:25 C 16 34 26.60 +09 00 58.9 V 160
2020-04-24 00:34:51 C 16 34 27.27 +09 02 22.6 V 160
2020-04-24 00:36:13 C 16 34 27.97 +09 03 41.9 V 160
2020-04-24 01:08:57 C 16 34 44.07 +09 35 08.3 V 204
2020-04-24 01:10:15 C 16 34 44.71 +09 36 24.0 V 204
2020-04-24 01:11:34 C 16 34 45.34 +09 37 40.2 V 204
2020-04-24 01:12:53 C 16 34 45.98 +09 38 56.4 V 204
2020-04-24 01:14:11 C 16 34 46.61 +09 40 12.2 V 204
2020-04-24 01:18:40 C 16 34 48.43 +09 44 19.5 V K87
2020-04-24 01:21:58 C 16 34 50.07 +09 47 32.6 V K87
2020-04-24 01:24:55 C 16 34 51.77 +09 50 22.5 V A17
2020-04-24 01:25:18 C 16 34 51.67 +09 50 45.8 V K87
2020-04-24 01:29:21 C 16 34 53.95 +09 54 40.9 V A17
2020-04-24 01:33:55 C 16 34 56.21 +09 59 07.9 V A17
2020-04-24 10:38:15 C 16 40 08.17 +19 11 06.7 V I52
2020-04-24 10:38:33 C 16 40 08.32 +19 11 24.3 V I52
2020-04-24 10:38:49 C 16 40 08.48 +19 11 41.7 V I52
2020-04-24 10:39:06 C 16 40 08.64 +19 11 59.2 V I52
2020-04-24 20:05:21 C 16 46 51.11 +29 10 33.4 V 033
2020-04-24 20:05:47 C 16 46 51.42 +29 10 59.8 V 033
2020-04-24 20:06:11 C 16 46 51.71 +29 11 26.1 V 033
2020-04-24 22:46:46 C 16 48 53.36 +32 02 32.5 V Z80
2020-04-24 22:51:46 C 16 48 57.18 +32 07 51.7 V Z80
2020-04-24 22:56:46 C 16 49 01.02 +32 13 10.3 V Z80
2020-04-24 23:01:45 C 16 49 04.82 +32 18 29.3 V Z80
2020-04-24 23:14:21 C 16 49 14.61 +32 31 50.7 V J95
2020-04-24 23:17:55 C 16 49 17.35 +32 35 37.7 V J95
2020-04-24 23:20:48 C 16 49 19.54 +32 38 41.0 V J95
2020-04-24 23:29:38 C 16 49 26.32 +32 48 03.5 V J95
2020-04-24 23:31:09 C 16 49 27.48 +32 49 39.8 V J95
2020-04-25 02:43:03 C 16 51 54.60 +36 11 20.9 V K87
2020-04-25 02:45:03 C 16 51 56.17 +36 13 25.4 V K87
2020-04-25 02:47:02 C 16 51 57.77 +36 15 29.1 V K87
2020-04-25 07:25:35 C 16 56 22.19 +41 00 49.6 V I52
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2020-04-24 05:36:00 107099.4148 0.5 Hz 2380 -1 -1
2020-04-24 05:50:00 104906.4133 0.15 Hz 2380 -1 -1
2020-04-24 06:06:00 36677203.46 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)