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
2025-04-27 03:37:16 C 16 19 14.80 +20 53 51.7 V H21
2025-04-27 03:39:17 C 16 19 17.95 +20 54 57.6 V H21
2025-04-27 05:20:39 C 16 22 05.308 +21 48 35.78 V I52
2025-04-27 05:20:54 C 16 22 05.653 +21 48 42.80 V I52
2025-04-27 05:21:09 C 16 22 06.049 +21 48 50.22 V I52
2025-04-27 05:21:24 C 16 22 06.431 +21 48 58.75 V I52
2025-04-28 09:13:50 C 16 57 54.184 +32 03 19.91 V I52
2025-04-28 09:16:51 C 16 57 56.812 +32 04 06.92 V I52
2025-04-28 09:18:41 C 16 57 58.399 +32 04 36.08 V I52
2025-04-28 09:20:30 C 16 57 59.987 +32 05 04.99 V I52
2025-04-30 08:27:31 C 17 35 00.928 +39 57 36.47 V G96
2025-04-30 08:35:03 C 17 35 04.340 +39 58 27.77 V G96
2025-04-30 08:42:34 C 17 35 07.721 +39 59 18.71 V G96
2025-04-30 08:50:06 C 17 35 11.029 +40 00 09.61 V G96
2025-04-30 10:17:55 C 17 35 49.410 +40 09 38.60 V 291
2025-04-30 10:20:32 C 17 35 50.520 +40 09 54.90 V 291
2025-04-30 10:23:10 C 17 35 51.590 +40 10 11.20 V 291