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
2020-04-24 05:51:10 C 11 58 08.45 -22 26 04.3 V G96
2020-04-24 05:58:50 C 11 58 08.06 -22 25 53.8 V G96
2020-04-24 06:06:32 C 11 58 07.66 -22 25 43.3 V G96
2020-04-24 06:55:53 C 11 58 05.22 -22 24 36.9 V I52
2020-04-24 06:58:06 C 11 58 05.11 -22 24 33.7 V I52
2020-04-24 07:00:19 C 11 58 04.98 -22 24 31.1 V I52
2020-04-24 07:02:32 C 11 58 04.90 -22 24 27.7 V I52
2020-04-24 12:42:26 C 11 58 04.53 -22 14 28.3 o E10
2020-04-24 12:44:36 C 11 58 04.41 -22 14 25.3 o E10
2020-04-24 12:46:47 C 11 58 04.31 -22 14 22.4 o E10
2020-04-25 03:01:48 C 11 58 06.41 -21 57 15.6 V I52
2020-04-25 03:02:40 C 11 58 06.35 -21 57 13.0 V I52
2020-04-25 03:07:48 C 11 58 06.09 -21 57 07.2 V I52
2020-04-25 04:15:38 C 11 58 03.97 -21 55 37.0 t 673
2020-04-25 04:26:07 C 11 58 03.43 -21 55 22.9 t 673
2020-04-25 04:35:39 C 11 58 02.94 -21 55 09.3 t 673
2020-04-25 09:43:19 C 11 58 00.10 -21 44 01.7 V R57
2020-04-25 09:48:36 C 11 57 59.85 -21 43 53.8 V R57
2020-04-25 09:53:53 C 11 57 59.69 -21 43 46.3 V R57
2020-04-25 09:59:10 C 11 57 59.49 -21 43 38.1 V R57
2020-04-25 10:54:33 C 11 58 00.27 -21 42 44.1 q E23
2020-04-25 11:14:15 C 11 57 59.33 -21 42 15.2 q E23
2020-04-25 11:34:15 C 11 57 58.33 -21 41 45.1 q E23
2020-04-25 11:55:45 C 11 57 57.22 -21 41 11.3 q E23
2020-04-25 22:07:26 C 11 57 57.52 -21 28 02.3 V J04
2020-04-25 22:08:54 C 11 57 57.44 -21 28 00.2 V J04
2020-04-25 22:10:21 C 11 57 57.37 -21 27 57.6 V J04
2020-04-27 03:32:04 C 11 57 58.44 -20 35 36.6 V I52
2020-04-28 03:33:33 C 11 58 04.26 -19 44 19.6 V I52
2020-04-28 03:35:14 C 11 58 04.16 -19 44 16.0 V I52
2020-04-28 03:40:07 C 11 58 03.94 -19 44 05.1 V I52
2020-04-30 04:42:30 C 11 58 37.69 -17 26 04.8 V I52
2020-04-30 04:45:02 C 11 58 37.56 -17 25 56.3 V I52
2020-04-30 04:45:39 C 11 58 37.54 -17 25 54.2 V I52
2020-05-02 05:29:44 C 11 59 56.79 -13 56 45.9 V 734
2020-05-02 05:37:52 C 11 59 56.60 -13 56 00.8 V 734
2020-05-02 05:41:56 C 11 59 56.49 -13 55 37.9 V 734
2020-05-02 05:50:44 C 11 59 56.25 -13 54 49.2 V 734
2020-05-05 22:09:19 C 12 07 33.94 +00 43 40.2 V Z80
2020-05-05 22:14:19 C 12 07 34.11 +00 45 09.4 V Z80
2020-05-05 22:19:20 C 12 07 34.41 +00 46 38.9 V Z80
2020-05-05 22:21:57 C 12 07 34.97 +00 47 27.5 V J95
2020-05-05 22:24:20 C 12 07 34.67 +00 48 09.1 V Z80
2020-05-05 22:32:13 C 12 07 35.52 +00 50 32.2 V J95
2020-05-05 22:43:42 C 12 07 36.16 +00 53 59.3 V J95
2020-05-05 22:55:43 C 12 07 36.85 +00 57 37.3 V J95
2020-05-06 21:26:11 C 12 12 15.46 +09 22 06.6 V K87
2020-05-06 21:33:40 C 12 12 16.32 +09 25 31.8 V K87
2020-05-06 21:41:10 C 12 12 17.20 +09 28 57.5 V K87
2020-05-06 22:17:25 C 12 12 27.88 +09 45 05.9 V Z99
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)