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
2018-05-10 23:53:35 C 13 06 22.61 +04 17 53.5 U Z80
2018-05-10 23:55:24 C 13 06 25.07 +04 17 05.5 U Z80
2018-05-11 07:22:54 C 13 18 33.61 +00 44 42.3 U 703
2018-05-11 07:30:28 C 13 18 45.45 +00 40 40.7 U 703
2018-05-11 07:38:03 C 13 18 57.38 +00 36 38.8 U 703
2018-05-11 23:01:49 C 13 53 07.97 -09 20 31.8 V 204
2018-05-11 23:02:37 C 13 53 09.92 -09 21 08.4 V 204
2018-05-11 23:03:27 C 13 53 11.87 -09 21 45.3 V 204
2018-05-11 23:04:15 C 13 53 13.84 -09 22 22.1 V 204
2018-05-11 23:05:03 C 13 53 15.81 -09 22 59.0 V 204
2018-05-12 08:23:55 C 14 20 55.72 -17 00 50.2 U 703
2018-05-12 08:39:14 C 14 21 43.15 -17 14 15.1 U 703
2018-05-12 08:46:54 C 14 22 07.12 -17 20 59.4 U 703
2018-05-12 09:04:28 C 14 24 45.44 -17 06 49.8 U 474
2018-05-12 09:07:21 C 14 24 54.73 -17 09 26.2 U 474
2018-05-12 09:11:41 C 14 25 08.75 -17 13 22.0 U 474
2018-05-12 09:14:35 C 14 25 18.10 -17 15 59.8 U 474
2020-04-13 04:41:33 C 12 11 31.92 +26 38 13.0 V I52
2020-04-13 04:53:27 C 12 11 32.01 +26 38 17.3 V I52
2020-04-13 07:00:01 C 12 11 32.99 +26 38 53.6 V I52
2020-04-18 05:46:12 C 12 17 46.47 +27 03 34.7 V G96
2020-04-18 05:53:45 C 12 17 46.65 +27 03 36.0 V G96
2020-04-18 06:20:27 C 12 17 47.62 +27 03 38.7 V G96
2020-04-18 06:27:59 C 12 17 47.90 +27 03 38.9 V G96
2020-04-28 06:07:29 C 12 55 58.12 +26 01 41.4 V G96
2020-04-28 06:14:56 C 12 55 59.99 +26 01 33.6 V G96
2020-04-28 06:22:22 C 12 56 01.86 +26 01 25.8 V G96
2020-04-28 06:29:49 C 12 56 03.73 +26 01 17.8 V G96
2020-04-29 06:20:46 C 13 04 33.91 +25 33 02.1 V 703
2020-04-29 06:28:25 C 13 04 36.16 +25 32 50.9 V 703
2020-04-29 06:36:03 C 13 04 38.69 +25 32 40.3 V 703
2020-04-29 09:09:17 C 13 05 41.60 +25 30 04.6 V T05
2020-04-29 09:13:55 C 13 05 43.03 +25 29 58.8 V T05
2020-04-29 09:22:36 C 13 05 45.78 +25 29 46.0 V T05
2020-04-29 09:36:53 C 13 05 50.27 +25 29 25.0 V T05
2020-04-30 09:20:54 C 13 16 26.70 +24 49 41.1 V T08
2020-04-30 09:28:16 C 13 16 29.66 +24 49 26.0 V T08
2020-04-30 09:36:21 C 13 16 32.92 +24 49 09.8 V T08
2020-04-30 09:53:23 C 13 16 39.64 +24 48 34.6 V T08
2020-04-30 20:51:21 C 13 22 33.40 +24 22 37.6 V 204
2020-04-30 21:21:50 C 13 22 47.92 +24 21 30.4 V 204
2020-04-30 21:30:35 C 13 22 52.12 +24 21 10.9 V 204
2020-05-03 05:23:55 C 14 03 55.06 +21 01 42.1 V 703
2020-05-03 05:31:41 C 14 04 01.63 +21 01 02.0 V 703
2020-05-03 05:39:27 C 14 04 08.22 +21 00 21.8 V 703
2020-05-03 05:47:12 C 14 04 14.80 +20 59 41.2 V 703
2020-05-03 22:21:10 C 14 21 41.33 +19 15 57.1 V 160
2020-05-03 22:24:06 C 14 21 44.38 +19 15 36.3 V 160
2020-05-03 22:27:03 C 14 21 47.51 +19 15 16.0 V 160
2020-05-04 20:57:49 C 14 51 27.05 +16 02 20.7 q 203
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)