2025 XS4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2851065527 ± 1.96e-04
Semi-major axis (a)1.2518722400 AU ± 2.64e-04
Inclination (i)1.13035726° ± 8.49e-04
Long. of Asc. Node (Ω)214.36857601° ± 8.01e-03
Arg. of Perihelion (ω)303.12981248° ± 5.33e-03
Mean Anomaly (M)297.68757822° ± 2.17e-02
Mean Motion (n)0.7036752279°/day ± 2.23e-04
Perihelion dist (q)0.89495526 AU ± 3.10e-04
Aphelion dist (Q)1.60878922 AU ± 4.19e-04
Orbital Period1.40068350 yr ± 4.43e-04
Physical Parameters
H (abs. magnitude)25.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.259″
Uncertainty2
Orbit TypeApollo
MOID0.001125 AU
Observations Used30
Oppositions1
Arc Total2025-2025
First Observation Used2025-12-09
Last Observation Used2025-12-24
Observations (30)
Date Type RA Dec Mag Band Observatory
2025-12-09 13:07:21 C 05 20 08.981 +15 28 32.77 V F51
2025-12-09 13:24:19 C 05 20 08.168 +15 28 14.30 V F51
2025-12-09 13:41:14 C 05 20 07.329 +15 27 55.91 V F51
2025-12-09 13:58:08 C 05 20 06.568 +15 27 37.21 V F51
2025-12-13 08:08:12 C 05 16 52.627 +13 40 35.43 X F51
2025-12-13 08:25:48 C 05 16 51.459 +13 40 12.30 X F51
2025-12-13 08:43:41 C 05 16 50.263 +13 39 48.91 X F51
2025-12-13 09:01:16 C 05 16 49.066 +13 39 25.25 X F51
2025-12-13 13:27:47 C 05 16 30.945 +13 33 13.57 V F51
2025-12-13 13:28:58 C 05 16 30.873 +13 33 11.81 V F51
2025-12-14 10:29:28 C 05 15 33.008 +13 02 51.50 V I52
2025-12-14 10:37:42 C 05 15 32.490 +13 02 39.34 V I52
2025-12-14 10:49:16 C 05 15 31.810 +13 02 21.16 V I52
2025-12-14 10:57:04 C 05 15 31.302 +13 02 08.66 V I52
2025-12-17 04:05:58 C 05 12 10.789 +11 14 10.10 V I52
2025-12-17 04:08:23 C 05 12 10.591 +11 14 04.63 V I52
2025-12-17 04:10:49 C 05 12 10.364 +11 14 00.53 V I52
2025-12-17 04:13:15 C 05 12 10.181 +11 13 56.24 V I52
2025-12-18 11:14:54 C 05 10 02.118 +10 12 40.86 V I52
2025-12-18 11:16:33 C 05 10 01.960 +10 12 36.47 V I52
2025-12-18 11:18:12 C 05 10 01.816 +10 12 32.29 V I52
2025-12-18 11:19:50 C 05 10 01.718 +10 12 28.48 V I52
2025-12-21 04:40:18 C 05 05 15.990 +07 36 09.00 V I52
2025-12-21 04:42:06 C 05 05 15.806 +07 36 05.65 V I52
2025-12-21 04:43:05 C 05 05 15.695 +07 36 02.56 V I52
2025-12-22 09:23:03 C 05 02 31.189 +06 11 59.60 V I52
2025-12-22 09:23:56 C 05 02 31.052 +06 11 57.01 V I52
2025-12-22 09:36:49 C 05 02 29.540 +06 11 15.68 V I52
2025-12-24 14:59:06 B 04 56 57.276 +02 59 58.04 X N56
2025-12-24 15:09:36 B 04 56 55.545 +02 59 15.20 X N56