2025 RD4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6276782360 ± 2.80e-04
Semi-major axis (a)1.3687097501 AU ± 6.57e-04
Inclination (i)6.52609732° ± 3.72e-03
Long. of Asc. Node (Ω)353.94054271° ± 2.46e-04
Arg. of Perihelion (ω)108.58445661° ± 5.97e-04
Mean Anomaly (M)5.59916706° ± 4.49e-03
Mean Motion (n)0.6155243450°/day ± 4.43e-04
Perihelion dist (q)0.50960043 AU ± 4.55e-04
Aphelion dist (Q)2.22781907 AU ± 1.14e-03
Orbital Period1.60127912 yr ± 1.15e-03
Physical Parameters
H (abs. magnitude)26.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.199″
Uncertainty1
Orbit TypeApollo
MOID0.004574 AU
Observations Used21
Oppositions1
Arc Total2025-2025
First Observation Used2025-09-15
Last Observation Used2025-09-18
Observations (21)
Date Type RA Dec Mag Band Observatory
2025-09-15 10:28:11 C 23 23 00.224 -08 03 40.45 X F52
2025-09-15 10:44:45 C 23 22 49.760 -08 03 53.43 X F52
2025-09-15 11:01:17 C 23 22 39.275 -08 04 06.47 X F52
2025-09-15 11:17:50 C 23 22 28.765 -08 04 19.31 X F52
2025-09-15 12:36:38 C 23 21 38.272 -08 05 19.82 V F51
2025-09-15 12:37:33 C 23 21 37.702 -08 05 20.47 V F51
2025-09-15 20:38:52 B 23 16 33.76 -08 13 14.4 X M45
2025-09-15 20:48:50 B 23 16 26.49 -08 13 23.7 X M45
2025-09-15 21:08:37 B 23 16 14.178 -08 10 32.75 W M21
2025-09-15 21:35:22 B 23 15 54.079 -08 10 57.22 W M21
2025-09-15 22:01:29 C 23 15 34.79 -08 14 27.1 V 104
2025-09-15 22:14:49 C 23 15 24.81 -08 14 39.1 V 104
2025-09-16 00:49:57 C 23 13 37.980 -08 13 25.80 V 807
2025-09-16 01:02:30 C 23 13 28.160 -08 13 38.20 V 807
2025-09-16 01:15:04 C 23 13 18.320 -08 13 50.60 V 807
2025-09-16 05:40:34 C 23 09 45.87 -08 21 28.7 V 673
2025-09-16 05:45:21 C 23 09 41.78 -08 21 33.5 V 673
2025-09-18 20:02:57 B 21 15 09.043 -09 36 06.23 Z K74
2025-09-18 20:13:01 B 21 14 30.113 -09 36 07.38 Z K74
2025-09-18 20:30:35 B 21 13 21.770 -09 36 08.93 Z K74
2025-09-18 20:48:47 B 21 12 10.274 -09 36 10.91 Z K74