2025 AC4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4654712443 ± 8.31e-04
Semi-major axis (a)1.2159535166 AU ± 1.25e-03
Inclination (i)9.11724227° ± 1.76e-02
Long. of Asc. Node (Ω)107.97259334° ± 5.27e-03
Arg. of Perihelion (ω)256.44386434° ± 1.25e-02
Mean Anomaly (M)279.64334924° ± 4.63e-01
Mean Motion (n)0.7350837405°/day ± 1.13e-03
Perihelion dist (q)0.64996212 AU ± 1.21e-03
Aphelion dist (Q)1.78194491 AU ± 2.09e-03
Orbital Period1.34083538 yr ± 2.06e-03
Physical Parameters
H (abs. magnitude)24.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.308″
Uncertainty3
Orbit TypeApollo
MOID0.024846 AU
Observations Used18
Oppositions1
Arc Total2025-2025
First Observation Used2025-01-07
Last Observation Used2025-01-14
Observations (18)
Date Type RA Dec Mag Band Observatory
2025-01-07 04:13:45 C 04 15 20.938 +12 00 42.37 V G96
2025-01-07 04:20:32 C 04 15 24.491 +12 01 45.73 V G96
2025-01-07 04:27:18 C 04 15 28.051 +12 02 49.27 V G96
2025-01-07 04:34:04 C 04 15 31.568 +12 03 51.66 V G96
2025-01-07 06:33:45 C 04 16 33.805 +12 22 07.86 V I52
2025-01-07 06:36:05 C 04 16 35.029 +12 22 28.85 V I52
2025-01-07 06:38:25 C 04 16 36.235 +12 22 50.16 V I52
2025-01-07 06:40:45 C 04 16 37.412 +12 23 11.18 V I52
2025-01-07 17:42:05 B 04 22 32.460 +13 58 04.91 W 204
2025-01-07 18:21:29 B 04 22 51.451 +14 03 30.20 W 204
2025-01-07 18:48:13 C 04 23 04.769 +14 06 58.75 W J95
2025-01-07 19:20:42 C 04 23 20.395 +14 11 25.08 W J95
2025-01-07 19:39:18 C 04 23 29.275 +14 13 55.45 W J95
2025-01-08 08:44:09 C 04 29 38.167 +15 54 44.99 V T12
2025-01-08 08:45:24 C 04 29 38.646 +15 54 53.06 V T12
2025-01-08 08:46:51 C 04 29 39.293 +15 55 04.08 V T12
2025-01-14 20:58:41 C 05 16 01.144 +26 39 41.63 V Z84
2025-01-14 21:20:53 C 05 16 05.090 +26 40 32.28 V Z84