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
2020-04-20 12:03:54 C 16 08 00.79 -34 27 31.8 V T08
2020-04-20 12:08:35 C 16 08 01.49 -34 26 28.9 V T08
2020-04-20 12:16:37 C 16 08 02.75 -34 24 40.0 V T08
2020-04-20 12:17:57 C 16 08 02.90 -34 24 22.0 V T08
2020-04-20 12:24:46 C 16 08 03.94 -34 22 50.1 V T08
2020-04-20 12:32:22 C 16 08 05.04 -34 21 06.8 V T08
2020-04-20 12:39:08 C 16 08 06.07 -34 19 35.4 V T08
2020-04-22 12:28:05 C 16 19 42.85 -17 34 06.8 V T05
2020-04-22 12:33:41 C 16 19 44.35 -17 31 10.2 V T05
2020-04-22 12:41:10 C 16 19 46.32 -17 27 13.6 V T05
2020-04-22 12:55:35 C 16 19 50.18 -17 19 35.9 V T05
2020-04-22 17:03:47 C 16 21 12.25 -15 03 19.8 r P93
2020-04-22 17:06:24 C 16 21 12.97 -15 01 51.0 r P93
2020-04-22 17:07:41 C 16 21 13.36 -15 01 06.4 r P93
2020-04-22 22:00:40 C 16 22 59.88 -12 05 30.4 V G34
2020-04-22 22:01:42 C 16 23 00.25 -12 04 51.5 V G34
2020-04-22 22:02:44 C 16 23 00.57 -12 04 12.4 V G34
2020-04-22 22:03:46 C 16 23 00.91 -12 03 34.4 V G34
2020-04-22 22:04:48 C 16 23 01.26 -12 02 55.8 V G34
2020-04-22 22:05:50 C 16 23 01.60 -12 02 16.4 V G34
2020-04-22 22:06:52 C 16 23 01.97 -12 01 37.5 V G34
2020-04-22 22:19:20 C 16 23 06.27 -11 53 43.9 V K61
2020-04-22 22:19:38 C 16 23 06.36 -11 53 32.6 V K61
2020-04-22 22:21:28 C 16 23 07.00 -11 52 23.3 V K61
2020-04-22 22:22:19 C 16 23 07.27 -11 51 51.0 V K61
2020-04-22 22:23:11 C 16 23 07.59 -11 51 18.8 V K61
2020-04-22 22:59:26 C 16 23 18.74 -11 28 11.3 V L54
2020-04-22 23:00:59 C 16 23 19.26 -11 27 13.8 V L54
2020-04-22 23:02:27 C 16 23 19.79 -11 26 18.1 V L54
2020-04-22 23:07:03 C 16 23 21.09 -11 23 20.4 V L54
2020-04-22 23:10:33 C 16 23 22.45 -11 21 04.3 V L54
2020-04-22 23:13:40 C 16 23 23.20 -11 19 07.8 V L04
2020-04-22 23:14:05 C 16 23 23.44 -11 18 50.7 V L54
2020-04-22 23:16:43 C 16 23 26.28 -11 17 00.7 V K63
2020-04-22 23:16:57 C 16 23 24.27 -11 17 01.2 V L04
2020-04-22 23:17:38 C 16 23 24.66 -11 16 33.2 V L54
2020-04-22 23:20:15 C 16 23 25.32 -11 14 54.9 V L04
2020-04-22 23:20:43 C 16 23 27.51 -11 14 26.9 V K63
2020-04-22 23:21:27 C 16 23 26.86 -11 14 10.2 V 246
2020-04-22 23:21:34 C 16 23 26.89 -11 14 05.0 V 246
2020-04-22 23:21:42 C 16 23 26.94 -11 13 59.8 V 246
2020-04-22 23:21:51 C 16 23 26.98 -11 13 55.2 V 246
2020-04-22 23:21:59 C 16 23 27.03 -11 13 49.9 V 246
2020-04-22 23:22:06 C 16 23 27.10 -11 13 44.9 V 246
2020-04-22 23:22:48 C 16 23 28.22 -11 13 07.7 V K63
2020-04-22 23:23:52 C 16 23 26.52 -11 12 34.8 V L04
2020-04-22 23:24:44 C 16 23 28.90 -11 11 52.2 V K63
2020-04-22 23:28:48 C 16 23 30.15 -11 09 14.1 V K63
2020-04-22 23:31:14 C 16 23 31.56 -11 07 52.7 V Z80
2020-04-22 23:34:15 C 16 23 32.58 -11 05 55.9 V Z80
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)