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
2020-05-09 04:50:24 C 12 48 38.09 +52 39 46.8 U I41
2020-05-09 04:50:54 C 12 48 38.62 +52 40 20.1 U I41
2020-05-09 05:50:34 C 12 49 50.63 +53 45 17.4 U I41
2020-05-09 05:51:04 C 12 49 51.26 +53 45 50.1 U I41
2020-05-11 01:47:09 C 21 05 25.46 +79 18 18.4 V J95
2020-05-11 01:53:50 C 21 06 36.23 +79 15 13.5 V J95
2020-05-11 02:01:24 C 21 07 54.97 +79 11 43.7 V J95
2020-05-11 02:08:47 C 21 09 10.58 +79 08 17.1 V J95
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)