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
2016-04-30 10:25:26 C 16 56 18.30 +09 37 42.3 q G96
2016-04-30 10:59:15 C 16 56 57.36 +09 32 47.4 o 291
2016-04-30 10:59:27 C 16 56 57.59 +09 32 45.7 o 291
2016-04-30 10:59:38 C 16 56 57.80 +09 32 44.0 o 291
2016-04-30 11:05:28 C 16 57 04.23 +09 31 54.5 u 926
2016-04-30 11:08:00 C 16 57 07.14 +09 31 32.0 u 926
2016-04-30 11:10:33 C 16 57 10.06 +09 31 09.5 u 926
2016-04-30 11:27:54 C 16 57 30.08 +09 28 35.7 o 926
2016-04-30 11:29:34 C 16 57 32.02 +09 28 20.9 o 926
2016-04-30 11:31:14 C 16 57 33.94 +09 28 05.7 o 926
2016-04-30 23:50:59 C 17 13 20.79 +07 34 26.3 q J95
2016-04-30 23:55:06 C 17 13 25.82 +07 33 48.3 q J95
2016-04-30 23:57:39 C 17 13 28.91 +07 33 24.6 q J95
2016-05-02 07:25:27 C 17 53 45.53 +02 30 13.9 u 926
2016-05-02 07:28:41 C 17 53 49.45 +02 29 41.3 u 926
2016-05-02 07:31:53 C 17 53 53.32 +02 29 10.1 u 926
2016-05-02 08:05:19 C 17 54 33.51 +02 23 33.9 q I52
2016-05-02 08:08:27 C 17 54 37.29 +02 23 03.4 q I52
2016-05-02 11:26:01 C 17 58 31.66 +01 50 32.6 u 926
2016-05-02 11:29:13 C 17 58 35.40 +01 50 00.1 u 926
2016-05-02 11:32:26 C 17 58 39.24 +01 49 28.5 u 926
2016-05-03 08:02:49 C 18 24 43.68 -01 31 58.5 u 926
2016-05-03 08:06:00 C 18 24 47.42 -01 32 27.7 u 926
2016-05-03 08:09:12 C 18 24 51.12 -01 32 59.8 u 926
2016-05-03 08:33:45 C 18 25 19.46 -01 37 02.9 q I52
2016-05-03 08:34:22 C 18 25 20.14 -01 37 09.0 q I52
2016-05-03 08:34:57 C 18 25 20.85 -01 37 14.4 q I52
2016-05-03 10:27:21 C 18 27 29.64 -01 55 12.6 o 926
2016-05-03 10:29:21 C 18 27 31.90 -01 55 31.8 o 926
2016-05-03 10:31:21 C 18 27 34.17 -01 55 51.2 o 926
2016-05-03 11:24:18 C 18 28 34.14 -02 04 19.1 u 926
2016-05-03 11:27:29 C 18 28 37.75 -02 04 49.6 u 926
2016-05-03 11:30:40 C 18 28 41.35 -02 05 20.1 u 926
2016-05-04 08:03:44 C 18 53 27.25 -05 15 29.1 q I52
2016-05-04 08:04:20 C 18 53 27.88 -05 15 35.1 q I52
2016-05-06 09:56:57 C 19 45 32.89 -11 42 13.9 o 926
2016-05-06 10:00:21 C 19 45 35.86 -11 42 36.7 o 926
2016-05-06 10:03:44 C 19 45 38.74 -11 42 59.1 o 926
2016-05-07 16:53:32 C 20 12 06.14 -14 37 22.8 t 474
2016-05-07 16:55:18 C 20 12 07.43 -14 37 31.7 t 474
2016-05-07 16:57:06 C 20 12 08.77 -14 37 40.6 t 474
2016-05-07 16:58:52 C 20 12 10.01 -14 37 50.2 t 474
2018-05-04 05:50:09 C 11 44 34.95 +25 47 11.9 U 703
2018-05-04 05:57:45 C 11 44 35.61 +25 46 53.8 U 703
2018-05-04 06:05:21 C 11 44 36.23 +25 46 36.3 U 703
2018-05-04 06:12:57 C 11 44 36.88 +25 46 18.8 U 703
2018-05-04 08:17:54 C 11 44 49.25 +25 41 16.8 U 703
2018-05-04 08:22:16 C 11 44 49.85 +25 41 04.3 U 703
2018-05-04 08:51:58 C 11 44 53.37 +25 39 49.5 U 703
2018-05-04 08:52:33 C 11 44 53.45 +25 39 48.7 U 703
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)