2025 HR4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1767753140 ± 1.41e-05
Semi-major axis (a)1.2301243292 AU ± 2.17e-05
Inclination (i)11.03399901° ± 6.20e-04
Long. of Asc. Node (Ω)214.98620590° ± 1.52e-05
Arg. of Perihelion (ω)356.37847798° ± 3.66e-04
Mean Anomaly (M)154.01700545° ± 4.33e-03
Mean Motion (n)0.7224183422°/day ± 1.91e-05
Perihelion dist (q)1.01266871 AU ± 2.49e-05
Aphelion dist (Q)1.44757994 AU ± 3.09e-05
Orbital Period1.36434283 yr ± 3.60e-05
Physical Parameters
H (abs. magnitude)27.49
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.300″
Uncertainty1
Orbit TypeApollo
MOID0.006533 AU
Observations Used66
Oppositions1
Arc Total2025-2025
First Observation Used2025-04-26
Last Observation Used2025-04-30
Observations (67)
Date Type RA Dec Mag Band Observatory
2025-04-26 11:00:17 C 15 46 44.854 +10 16 31.55 V 703
2025-04-26 11:03:33 C 15 46 51.114 +10 19 01.74 V 703
2025-04-26 11:06:48 C 15 46 57.364 +10 21 30.82 V 703
2025-04-26 11:10:03 C 15 47 03.584 +10 24 01.08 V 703
2025-04-26 11:34:18 C 15 47 50.071 +10 42 23.76 V I52
2025-04-26 11:34:29 C 15 47 50.449 +10 42 31.86 V I52
2025-04-26 11:34:41 C 15 47 50.824 +10 42 40.72 V I52
2025-04-26 11:34:53 C 15 47 51.137 +10 42 49.72 V I52
2025-04-26 12:15:11 C 15 50 20.940 +11 34 36.08 W 474
2025-04-26 12:16:44 C 15 50 23.868 +11 35 45.74 W 474
2025-04-26 12:18:17 C 15 50 26.794 +11 36 55.44 W 474
2025-04-26 12:19:50 C 15 50 29.729 +11 38 05.53 W 474
2025-04-26 12:21:23 C 15 50 32.650 +11 39 15.70 W 474
2025-04-26 12:52:23 B 15 52 00.378 +11 39 46.46 X Q06
2025-04-26 12:56:57 B 15 52 09.126 +11 43 11.42 X Q06
2025-04-26 13:01:29 B 15 52 17.832 +11 46 35.52 X Q06
2025-04-26 13:50:30 B 15 53 50.208 +12 22 58.08 W 900
2025-04-26 14:16:01 C 15 54 03.970 +13 03 12.46 W 474
2025-04-26 14:16:45 B 15 54 38.299 +12 42 09.11 W 900
2025-04-26 14:19:07 C 15 54 09.554 +13 05 25.15 W 474
2025-04-26 14:22:13 C 15 54 15.180 +13 07 37.60 W 474
2025-04-26 20:04:31 B 16 05 59.093 +16 30 31.18 V B15
2025-04-26 20:08:13 B 16 06 05.654 +16 32 52.76 V B15
2025-04-26 20:12:22 B 16 06 13.164 +16 35 31.99 V B15
2025-04-26 20:40:34 B 16 07 03.973 +16 53 42.29 W G34
2025-04-26 20:47:18 B 16 07 15.777 +16 57 59.56 W G34
2025-04-26 20:51:04 B 16 07 21.49 +17 00 55.3 X G02
2025-04-26 20:58:34 B 16 07 34.33 +17 05 37.0 X G02
2025-04-26 21:06:26 B 16 07 47.75 +17 10 32.2 X G02
2025-04-26 21:29:51 B 16 08 31.526 +17 24 17.19 X B72
2025-04-26 21:45:20 B 16 08 57.870 +17 33 50.85 X B72
2025-04-26 22:18:31 C 16 09 53.03 +17 55 32.5 V L01
2025-04-26 22:20:09 C 16 09 55.70 +17 56 32.2 V L01
2025-04-26 22:21:47 C 16 09 58.38 +17 57 31.3 V L01
2025-04-26 22:23:25 C 16 10 01.05 +17 58 30.6 V L01
2025-04-26 22:25:04 C 16 10 03.70 +17 59 29.7 V L01
2025-04-26 22:34:15 B 16 10 30.854 +18 05 39.95 X J57
2025-04-26 22:43:03 B 16 10 45.223 +18 10 58.76 X J57
2025-04-26 22:47:03 B 16 10 40.33 +18 11 22.8 Z K35
2025-04-26 23:01:12 B 16 11 03.22 +18 19 47.8 Z K35
2025-04-26 23:06:11 B 16 11 11.25 +18 22 45.6 Z K35
2025-04-26 23:06:52 B 16 11 12.38 +18 23 10.6 Z K35
2025-04-27 00:40:30 B 16 13 38.561 +19 17 32.50 Z K74
2025-04-27 00:45:29 B 16 13 46.284 +19 20 21.37 Z K74
2025-04-27 00:51:24 C 16 13 52.65 +19 23 30.1 V K62
2025-04-27 00:53:00 C 16 13 55.11 +19 24 24.1 V K62
2025-04-27 00:54:36 C 16 13 57.59 +19 25 17.9 V K62
2025-04-27 00:56:12 C 16 14 00.04 +19 26 12.1 V K62
2025-04-27 03:33:12 C 16 19 08.52 +20 51 40.4 V H21
2025-04-27 03:35:14 C 16 19 11.68 +20 52 46.2 V H21