2020 HC6

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2750515803 ± 1.37e-07
Semi-major axis (a)1.3498200216 AU ± 2.52e-07
Inclination (i)4.88018343° ± 2.93e-06
Long. of Asc. Node (Ω)224.46362736° ± 2.17e-06
Arg. of Perihelion (ω)35.85648728° ± 1.38e-05
Mean Anomaly (M)173.05236735° ± 3.48e-04
Mean Motion (n)0.6284901530°/day ± 1.76e-07
Perihelion dist (q)0.97854989 AU ± 2.60e-07
Aphelion dist (Q)1.72109015 AU ± 3.70e-07
Orbital Period1.56824459 yr ± 4.39e-07
Physical Parameters
H (abs. magnitude)25.42
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.297″
Uncertainty0
Orbit TypeApollo
MOID0.005757 AU
Observations Used103
Radar Obs Used2
Oppositions1
Arc Total2020-2020
First Observation Used2020-04-24
Last Observation Used2020-05-11
Observations (108)
Date Type RA Dec Mag Band Observatory
2020-05-06 22:18:54 C 12 12 28.07 +09 45 47.5 V Z99
2020-05-06 22:20:23 C 12 12 28.26 +09 46 28.4 V Z99
2020-05-06 22:22:33 C 12 12 28.30 +09 47 47.3 V Z80
2020-05-06 22:23:21 C 12 12 28.65 +09 47 50.9 V Z99
2020-05-06 22:24:48 C 12 12 28.85 +09 48 31.4 V Z99
2020-05-06 22:26:15 C 12 12 29.03 +09 49 11.7 V Z99
2020-05-06 22:27:33 C 12 12 28.92 +09 50 06.6 V Z80
2020-05-06 22:32:33 C 12 12 29.57 +09 52 25.6 V Z80
2020-05-06 22:37:32 C 12 12 30.23 +09 54 46.6 V Z80
2020-05-07 19:40:54 C 12 20 06.57 +22 06 23.8 q A48
2020-05-07 19:41:57 C 12 20 06.82 +22 07 07.6 q A48
2020-05-07 19:43:03 C 12 20 07.10 +22 07 54.3 q A48
2020-05-07 19:44:08 C 12 20 07.37 +22 08 40.7 q A48
2020-05-07 20:41:56 C 12 20 23.34 +22 49 47.6 V 203
2020-05-07 20:49:12 C 12 20 25.18 +22 55 00.1 V 203
2020-05-07 21:00:03 C 12 20 27.93 +23 02 47.5 V 203
2020-05-07 21:07:57 C 12 20 30.18 +23 08 24.5 V 204
2020-05-07 21:11:19 C 12 20 31.05 +23 10 49.7 V 204
2020-05-07 21:12:33 C 12 20 29.35 +23 12 13.4 V 160
2020-05-07 21:13:24 C 12 20 29.53 +23 12 50.6 V 160
2020-05-07 21:13:48 C 12 20 29.64 +23 13 07.7 V 160
2020-05-07 21:14:14 C 12 20 29.72 +23 13 26.0 V 160
2020-05-07 21:14:50 C 12 20 31.98 +23 13 21.8 V 204
2020-05-07 21:15:03 C 12 20 29.98 +23 14 01.4 V 160
2020-05-07 21:25:12 C 12 20 34.21 +23 19 51.5 V K87
2020-05-07 21:28:55 C 12 20 35.26 +23 22 33.7 V K87
2020-05-07 21:32:40 C 12 20 36.30 +23 25 16.3 V K87
2020-05-08 21:04:14 C 12 38 02.51 +44 18 01.9 V J95
2020-05-08 21:11:33 C 12 38 08.58 +44 25 37.6 V J95
2020-05-08 21:16:32 C 12 38 12.72 +44 30 47.7 V J95
2020-05-08 21:22:22 C 12 38 17.64 +44 36 51.8 V J95
2020-05-08 22:50:33 C 12 39 33.42 +46 08 18.7 V Z80
2020-05-08 22:53:53 C 12 39 36.52 +46 11 46.5 V Z80
2020-05-08 22:57:13 C 12 39 39.54 +46 15 14.0 V Z80
2020-05-08 23:00:33 C 12 39 42.60 +46 18 41.5 V Z80
2020-05-08 23:03:53 C 12 39 45.72 +46 22 08.9 V Z80
2020-05-08 23:07:11 C 12 39 48.77 +46 25 32.8 V Z80
2020-05-09 03:25:49 C 12 46 09.51 +51 06 18.7 u H21
2020-05-09 03:26:56 C 12 46 10.72 +51 07 31.0 u H21
2020-05-09 03:28:03 C 12 46 11.95 +51 08 43.5 u H21
2020-05-09 03:29:10 C 12 46 13.20 +51 09 56.0 u H21
2020-05-09 03:30:17 C 12 46 14.40 +51 11 08.6 u H21
2020-05-09 03:31:24 C 12 46 15.67 +51 12 20.9 u H21
2020-05-09 03:32:31 C 12 46 16.91 +51 13 33.5 u H21
2020-05-09 03:33:38 C 12 46 18.14 +51 14 45.8 u H21
2020-05-09 03:34:45 C 12 46 19.37 +51 15 57.9 u H21
2020-05-09 03:35:52 C 12 46 20.63 +51 17 10.5 u H21
2020-05-09 03:36:59 C 12 46 21.85 +51 18 22.7 u H21
2020-05-09 03:38:06 C 12 46 23.07 +51 19 34.8 u H21
2020-05-09 03:39:13 C 12 46 24.32 +51 20 47.3 u H21
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2020-05-07 00:33:00 73655.6972 0.25 Hz 2380 -1 -1
2020-05-07 01:03:00 11122529.97 0.5 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)