IAA RAS IAA Minor Planet Database

2023 HP4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1127652343 ± 5.91e-05
Semi-major axis (a)1.1769000491 AU ± 9.28e-05
Inclination (i)13.35358968° ± 4.18e-03
Long. of Asc. Node (Ω)215.90612666° ± 7.55e-05
Arg. of Perihelion (ω)354.90253232° ± 3.38e-03
Mean Anomaly (M)9.20446473° ± 8.91e-02
Mean Motion (n)0.7719744108°/day ± 9.13e-05
Perihelion dist (q)1.04418664 AU ± 1.08e-04
Aphelion dist (Q)1.30961346 AU ± 1.25e-04
Orbital Period1.27676030 yr ± 1.51e-04
Physical Parameters
H (abs. magnitude)25.79
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.254″
Uncertainty2
Orbit TypeAmor
MOID0.037889 AU
Observations Used43
Oppositions1
Arc Total2023-2023
First Observation Used2023-04-23
Last Observation Used2023-05-09
Observations (44)
Date Type RA Dec Mag Band Observatory
2023-04-23 09:32:54 C 13 58 33.128 -32 12 19.88 – U F52
2023-04-23 09:47:34 C 13 58 38.484 -32 09 22.57 – U F52
2023-04-23 10:16:57 C 13 58 49.190 -32 03 24.39 – U F52
2023-04-23 12:34:47 C 13 59 39.746 -31 34 55.45 – V F52
2023-04-23 12:35:41 C 13 59 40.078 -31 34 44.23 – V F52
2023-04-24 05:49:19 C 14 07 04.84 -27 53 35.0 – u 807
2023-04-24 05:53:48 C 14 07 06.45 -27 52 36.1 – u 807
2023-04-24 05:58:21 C 14 07 08.08 -27 51 36.4 – u 807
2023-04-24 06:02:40 C 14 07 09.64 -27 50 39.5 – u 807
2023-04-24 10:50:59 C 14 09 13.306 -26 50 31.03 – V T14
2023-04-24 10:52:23 C 14 09 13.799 -26 50 12.30 – V T14
2023-04-24 10:54:16 C 14 09 14.458 -26 49 47.28 – V T14
2023-04-24 10:59:25 C 14 09 16.254 -26 48 39.06 – V T14
2023-04-24 11:00:49 C 14 09 16.746 -26 48 20.44 – V T14
2023-04-24 23:45:07 C 14 14 33.87 -23 58 07.6 – V 204
2023-04-25 00:02:16 C 14 14 39.99 -23 54 13.2 – V 204
2023-04-27 01:55:19 C 14 34 19.32 -12 04 02.2 – u 807
2023-04-27 02:01:14 C 14 34 21.28 -12 02 37.9 – u 807
2023-04-27 02:07:08 C 14 34 23.20 -12 01 13.6 – u 807
2023-04-27 09:31:49 C 14 36 51.822 -10 18 37.73 – V I52
2023-04-27 09:32:04 C 14 36 51.934 -10 18 34.56 – V I52
2023-04-27 09:32:19 C 14 36 51.995 -10 18 31.64 – V I52
2023-04-27 09:32:33 C 14 36 52.096 -10 18 27.36 – V I52
2023-04-27 13:52:57 C 14 38 30.041 -09 11 35.92 – V R65
2023-04-27 13:59:07 C 14 38 31.978 -09 10 06.67 – V R65
2023-04-27 14:05:24 C 14 38 33.994 -09 08 36.46 – V R65
2023-04-29 06:48:56 C 14 52 48.936 +00 15 40.93 – V G96
2023-04-29 06:56:22 C 14 52 51.010 +00 17 21.19 – V G96
2023-04-29 07:03:46 C 14 52 53.051 +00 19 00.70 – V G96
2023-04-29 07:11:10 C 14 52 55.121 +00 20 40.56 – V G96
2023-04-29 16:43:17 C 14 56 00.02 +02 27 26.1 – V D29
2023-04-29 17:05:24 C 14 56 05.99 +02 32 14.0 – V D29
2023-04-29 17:27:31 C 14 56 11.92 +02 37 02.6 – V D29
2023-05-03 05:42:30 C 15 21 00.22 +18 32 36.3 – V 290
2023-05-03 06:00:56 C 15 21 04.34 +18 35 32.7 – V 290
2023-05-03 06:18:30 C 15 21 08.17 +18 38 20.1 – V 290
2023-05-03 06:36:25 C 15 21 12.10 +18 41 11.9 – V 290
2023-05-04 06:35:09 C 15 27 18.04 +22 15 07.4 – V 290
2023-05-04 06:44:53 C 15 27 20.01 +22 16 29.9 – V 290
2023-05-04 07:05:34 C 15 27 24.16 +22 19 25.1 – V 290
2023-05-09 08:26:34 C 15 52 52.964 +35 03 41.00 – V G96
2023-05-09 08:34:11 C 15 52 54.005 +35 04 16.28 – V G96
2023-05-09 08:41:43 C 15 52 55.085 +35 04 50.45 – V G96
2023-05-09 08:49:15 C 15 52 56.060 +35 05 24.18 – V G96