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
2018-05-04 08:54:59 C 11 44 53.70 +25 39 43.7 U 703
2018-05-04 08:55:34 C 11 44 53.81 +25 39 40.8 U 703
2018-05-04 10:51:19 C 11 45 31.07 +25 41 48.7 q E23
2018-05-04 11:17:59 C 11 45 33.31 +25 40 50.6 q E23
2018-05-04 11:44:39 C 11 45 35.42 +25 39 52.2 q E23
2018-05-04 12:55:49 C 11 45 47.37 +25 31 56.4 o P93
2018-05-04 13:02:48 C 11 45 47.97 +25 31 40.8 o P93
2018-05-04 13:09:48 C 11 45 48.55 +25 31 24.6 o P93
2018-05-04 20:16:15 C 11 47 04.65 +25 13 58.3 t L04
2018-05-04 20:16:46 C 11 47 08.58 +25 13 44.4 U K87
2018-05-04 20:25:25 C 11 47 09.54 +25 13 23.2 U K87
2018-05-04 20:33:00 C 11 47 10.37 +25 13 04.8 U K87
2018-05-04 20:41:53 C 11 47 07.52 +25 12 53.6 t L04
2018-05-04 21:10:17 C 11 47 10.79 +25 11 40.4 t L04
2018-05-04 21:52:32 C 11 47 20.16 +25 10 18.2 q C95
2018-05-04 22:14:01 C 11 47 22.60 +25 09 22.4 q C95
2018-05-04 22:34:53 C 11 47 25.01 +25 08 26.9 q C95
2018-05-07 04:11:24 C 12 00 48.89 +22 07 39.7 o 711
2018-05-07 04:14:53 C 12 00 49.59 +22 07 23.2 o 711
2018-05-07 04:18:31 C 12 00 50.36 +22 07 06.0 o 711
2018-05-08 06:08:42 C 12 10 47.96 +19 39 00.0 U I52
2018-05-08 06:08:53 C 12 10 48.05 +19 38 58.7 U I52
2018-05-08 06:11:52 C 12 10 49.05 +19 38 37.0 U I52
2018-05-08 06:14:51 C 12 10 50.03 +19 38 15.4 U I52
2018-05-09 06:27:24 C 12 24 21.69 +16 09 39.7 U G96
2018-05-09 06:34:58 C 12 24 25.67 +16 08 16.5 U G96
2018-05-09 06:42:32 C 12 24 29.67 +16 06 53.2 U G96
2018-05-09 06:50:05 C 12 24 33.69 +16 05 29.6 U G96
2018-05-10 09:57:55 C 12 48 08.89 +09 39 01.7 U T08
2018-05-10 10:15:17 C 12 48 24.79 +09 33 24.8 U T08
2018-05-10 10:30:35 C 12 48 39.01 +09 28 26.1 U T08
2018-05-10 10:46:37 C 12 48 54.16 +09 23 10.8 U T08
2018-05-10 20:14:17 C 13 01 36.13 +05 52 03.2 c A53
2018-05-10 20:17:17 C 13 01 39.68 +05 50 50.0 c A53
2018-05-10 20:26:32 C 13 01 50.85 +05 47 04.6 c A53
2018-05-10 20:29:38 C 13 01 54.59 +05 45 49.7 c A53
2018-05-10 20:35:17 C 13 02 01.48 +05 43 30.4 c A53
2018-05-10 21:02:07 n 13 02 43.88 +05 31 51.7 15.8 V Z43
2018-05-10 21:07:26 n 13 02 50.47 +05 29 40.3 16.4 V Z43
2018-05-10 21:11:50 n 13 02 55.94 +05 27 51.5 16.3 V Z43
2018-05-10 21:16:19 n 13 03 01.46 +05 26 00.0 15.8 V Z43
2018-05-10 21:21:44 n 13 03 08.20 +05 23 44.5 16.0 V Z43
2018-05-10 21:26:51 n 13 03 14.54 +05 21 37.5 16.2 V Z43
2018-05-10 23:39:03 C 13 06 03.09 +04 24 19.5 U Z80
2018-05-10 23:40:51 C 13 06 05.53 +04 23 31.8 U Z80
2018-05-10 23:42:41 C 13 06 07.93 +04 22 43.5 U Z80
2018-05-10 23:44:29 C 13 06 10.39 +04 21 55.1 U Z80
2018-05-10 23:46:19 C 13 06 12.84 +04 21 06.9 U Z80
2018-05-10 23:48:08 C 13 06 15.30 +04 20 18.1 U Z80
2018-05-10 23:51:46 C 13 06 20.15 +04 18 42.3 U Z80
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)