2017 HP3

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4162751024 ± 2.35e-08
Semi-major axis (a)1.4547938796 AU ± 9.10e-10
Inclination (i)23.74305770° ± 9.91e-06
Long. of Asc. Node (Ω)54.48844187° ± 6.67e-06
Arg. of Perihelion (ω)236.20647061° ± 8.09e-06
Mean Anomaly (M)286.63527497° ± 3.40e-06
Mean Motion (n)0.5617073131°/day ± 5.27e-10
Perihelion dist (q)0.84919941 AU ± 3.43e-08
Aphelion dist (Q)2.06038835 AU ± 3.43e-08
Orbital Period1.75469726 yr ± 1.65e-09
Physical Parameters
H (abs. magnitude)21.51
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.220″
Uncertainty0
Orbit TypeApollo
MOID0.028261 AU
Observations Used150
Oppositions3
Arc Total2017-2024
First Observation Used2017-04-22
Last Observation Used2024-12-02
Observations (165)
Date Type RA Dec Mag Band Observatory
2017-04-22 09:42:40 C 17 08 57.19 +34 03 56.1 q 703
2017-04-22 09:50:24 C 17 08 58.44 +34 04 00.0 q 703
2017-04-22 09:58:07 C 17 08 59.76 +34 04 03.6 q 703
2017-04-22 10:05:50 C 17 09 01.13 +34 04 07.2 q 703
2017-04-22 10:57:57 C 17 09 09.99 +34 04 30.8 q I52
2017-04-22 11:02:55 C 17 09 10.88 +34 04 33.7 q I52
2017-04-22 11:04:55 C 17 09 11.16 +34 04 34.1 q I52
2017-04-22 11:09:53 C 17 09 12.01 +34 04 35.9 q I52
2017-04-22 11:14:47 C 17 09 12.85 +34 04 38.6 q 703
2017-04-22 11:15:39 C 17 09 13.04 +34 04 38.3 q 703
2017-04-22 11:17:23 C 17 09 13.41 +34 04 39.0 q 703
2017-04-23 01:33:59 C 17 11 57.68 +34 10 46.0 U J95
2017-04-23 01:48:13 C 17 12 00.34 +34 10 53.1 U J95
2017-04-23 02:02:35 C 17 12 03.02 +34 10 59.6 U J95
2017-04-23 09:00:29 C 17 13 25.54 +34 14 16.4 q 734
2017-04-23 09:04:37 C 17 13 26.31 +34 14 18.2 q 734
2017-04-23 09:07:33 C 17 13 26.42 +34 14 19.2 u H21
2017-04-23 09:09:51 C 17 13 27.29 +34 14 20.6 q 734
2017-04-23 09:13:26 C 17 13 27.52 +34 14 21.9 u H21
2017-04-23 09:14:32 C 17 13 28.17 +34 14 22.7 q 734
2017-04-23 09:20:43 C 17 13 28.90 +34 14 24.9 u H21
2017-04-23 11:01:19 C 17 13 49.06 +34 15 14.5 q I52
2017-04-23 11:06:57 C 17 13 50.10 +34 15 17.6 q I52
2017-04-23 11:09:54 C 17 13 50.68 +34 15 20.4 o 926
2017-04-23 11:12:37 C 17 13 51.17 +34 15 19.7 q I52
2017-04-23 11:13:14 C 17 13 51.30 +34 15 21.5 o 926
2017-04-23 11:16:37 C 17 13 51.93 +34 15 22.9 o 926
2017-04-23 23:21:25 C 17 16 25.83 +34 20 19.9 q I93
2017-04-23 23:27:10 C 17 16 26.99 +34 20 22.9 q I93
2017-04-23 23:32:56 C 17 16 28.18 +34 20 26.4 q I93
2017-04-24 00:26:04 C 17 16 39.19 +34 20 53.5 U 958
2017-04-24 00:40:39 C 17 16 42.18 +34 21 00.7 U 958
2017-04-24 00:55:15 C 17 16 45.16 +34 21 07.7 U 958
2017-04-24 05:47:01 C 17 17 49.33 +34 23 11.5 q H36
2017-04-24 06:17:01 C 17 17 55.68 +34 23 26.8 q H36
2017-04-24 06:46:26 C 17 18 02.64 +34 23 42.8 u 926
2017-04-24 06:53:02 C 17 18 04.08 +34 23 46.5 u 926
2017-04-24 06:59:40 C 17 18 05.50 +34 23 50.3 u 926
2017-04-24 09:28:41 C 17 18 36.54 +34 25 02.4 q I52
2017-04-24 09:34:41 C 17 18 37.79 +34 25 05.1 q I52
2017-04-24 09:40:43 C 17 18 39.03 +34 25 07.8 q I52
2017-04-24 09:55:03 C 17 18 42.02 +34 25 14.1 q I52
2017-04-24 23:59:29 C 17 21 57.62 +34 30 47.0 q Z80
2017-04-25 00:30:34 C 17 22 04.65 +34 31 02.7 q Z80
2017-04-25 02:23:13 C 17 22 30.46 +34 31 53.5 U J95
2017-04-25 02:26:18 C 17 22 31.15 +34 31 54.8 U J95
2017-04-25 02:29:17 C 17 22 31.82 +34 31 56.1 U J95
2017-04-25 08:27:01 C 17 23 58.70 +34 34 35.0 u H21
2017-04-25 08:30:30 C 17 23 59.52 +34 34 36.6 u H21
2017-04-25 08:36:55 C 17 24 01.01 +34 34 39.4 u H21