2016 HP6

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3562042881 ± 3.39e-09
Semi-major axis (a)1.5760967733 AU ± 1.82e-09
Inclination (i)3.91715437° ± 1.64e-06
Long. of Asc. Node (Ω)50.68576273° ± 1.84e-06
Arg. of Perihelion (ω)186.54230322° ± 8.83e-06
Mean Anomaly (M)282.86658336° ± 1.29e-06
Mean Motion (n)0.4981245613°/day ± 8.63e-10
Perihelion dist (q)1.01468434 AU ± 5.47e-09
Aphelion dist (Q)2.13750920 AU ± 5.88e-09
Orbital Period1.97867433 yr ± 3.43e-09
Physical Parameters
H (abs. magnitude)25.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.340″
Uncertainty0
Orbit TypeApollo
MOID0.004981 AU
Observations Used209
Radar Obs Used2
Oppositions2
Arc Total2016-2020
First Observation Used2016-04-29
Last Observation Used2020-05-07
Observations (220)
Date Type RA Dec Mag Band Observatory
2020-05-04 21:06:29 C 14 51 38.98 +16 00 53.9 q 203
2020-05-04 21:14:12 C 14 51 49.58 +15 59 36.9 q 203
2020-05-04 22:54:03 C 14 54 05.99 +15 42 51.5 V 160
2020-05-04 22:56:55 C 14 54 09.94 +15 42 21.5 V 160
2020-05-04 22:59:49 C 14 54 13.92 +15 41 51.2 V 160
2020-05-05 23:01:43 C 15 35 18.17 +10 33 03.2 V Z80
2020-05-05 23:06:43 C 15 35 27.17 +10 31 48.6 V Z80
2020-05-05 23:11:43 C 15 35 36.18 +10 30 32.3 V Z80
2020-05-05 23:16:43 C 15 35 45.15 +10 29 16.8 V Z80
2020-05-05 23:31:08 C 15 36 07.09 +10 26 34.3 V 204
2020-05-05 23:33:43 C 15 36 11.69 +10 25 55.1 V 204
2020-05-05 23:37:20 C 15 36 18.11 +10 25 00.0 V 204
2020-05-06 23:07:39 C 16 26 08.54 +03 29 01.3 V Z80
2020-05-06 23:12:38 C 16 26 19.39 +03 27 22.2 V Z80
2020-05-06 23:17:38 C 16 26 30.34 +03 25 43.6 V Z80
2020-05-06 23:22:39 C 16 26 41.22 +03 24 04.7 V Z80
2020-05-06 23:53:30 C 16 27 47.59 +03 13 37.1 V Z99
2020-05-06 23:56:01 C 16 27 53.07 +03 12 47.4 V Z99
2020-05-06 23:58:31 C 16 27 58.52 +03 11 57.3 V Z99
2020-05-07 00:01:03 C 16 28 04.05 +03 11 07.6 V Z99
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2020-05-06 05:24:00 40271.6796 0.2 Hz 2380 -1 -1
2020-05-06 05:40:00 12348429.28 0.5 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)