2025 YL4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3241500012 ± 9.25e-05
Semi-major axis (a)1.1117058096 AU ± 7.39e-05
Inclination (i)3.18694526° ± 9.68e-04
Long. of Asc. Node (Ω)90.86137524° ± 1.60e-04
Arg. of Perihelion (ω)98.23070275° ± 5.19e-04
Mean Anomaly (M)272.95205908° ± 1.28e-02
Mean Motion (n)0.8408672992°/day ± 8.39e-05
Perihelion dist (q)0.75134637 AU ± 1.14e-04
Aphelion dist (Q)1.47206525 AU ± 1.42e-04
Orbital Period1.17215437 yr ± 1.17e-04
Physical Parameters
H (abs. magnitude)26.67
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.246″
Uncertainty2
Orbit TypeApollo
MOID0.009602 AU
Observations Used35
Oppositions1
Arc Total2025-2025
First Observation Used2025-12-22
Last Observation Used2025-12-30
Observations (37)
Date Type RA Dec Mag Band Observatory
2025-12-22 08:01:11 C 06 49 55.427 +23 07 20.10 V G96
2025-12-22 08:09:21 C 06 49 55.204 +23 07 38.96 V G96
2025-12-22 08:17:31 C 06 49 54.973 +23 07 57.18 V G96
2025-12-22 10:25:37 C 06 49 51.755 +23 12 36.86 V I52
2025-12-22 10:31:10 C 06 49 51.625 +23 12 48.89 V I52
2025-12-22 10:36:45 C 06 49 51.532 +23 13 00.95 V I52
2025-12-22 10:42:11 C 06 49 51.560 +23 13 12.70 V 691
2025-12-22 10:55:52 C 06 49 51.230 +23 13 43.20 V 291
2025-12-22 11:04:13 C 06 49 51.100 +23 14 00.80 V 291
2025-12-22 11:06:13 C 06 49 51.110 +23 14 04.50 V 691
2025-12-22 11:12:34 C 06 49 50.950 +23 14 18.80 V 291
2025-12-23 06:12:58 C 06 50 16.778 +24 01 34.28 V G96
2025-12-23 06:15:33 C 06 50 16.717 +24 01 41.48 V G96
2025-12-23 06:18:09 C 06 50 16.645 +24 01 49.12 V G96
2025-12-23 06:20:44 C 06 50 16.562 +24 01 56.21 V G96
2025-12-24 04:16:14 C 06 50 34.210 +25 09 59.00 V 807
2025-12-24 04:27:32 C 06 50 33.880 +25 10 37.50 V 807
2025-12-24 04:38:48 C 06 50 33.470 +25 11 15.60 V 807
2025-12-27 23:36:41 B 06 52 56.880 +33 51 32.90 X K19
2025-12-27 23:41:51 B 06 52 56.714 +33 52 24.78 X K19
2025-12-27 23:47:04 B 06 52 56.585 +33 53 16.62 X K19
2025-12-28 23:07:08 C 06 54 22.65 +38 37 35.5 V K88
2025-12-28 23:08:32 C 06 54 22.62 +38 37 56.1 V K88
2025-12-28 23:09:55 C 06 54 22.60 +38 38 17.0 V K88
2025-12-30 07:59:12 C 06 58 55.999 +50 13 53.22 V I52
2025-12-30 07:59:56 C 06 58 55.999 +50 14 14.96 V I52
2025-12-30 08:00:41 C 06 58 56.021 +50 14 36.60 V I52
2025-12-30 08:01:25 C 06 58 56.039 +50 14 58.34 V I52
2025-12-30 19:29:47 B 07 03 24.396 +56 38 58.63 Z K74
2025-12-30 19:41:21 B 07 03 28.574 +56 46 43.36 Z K74
2025-12-30 19:47:32 C 07 03 35.21 +56 51 38.2 V 104
2025-12-30 19:51:29 C 07 03 36.57 +56 54 18.2 V 104
2025-12-30 19:52:55 B 07 03 32.628 +56 54 29.77 Z K74
2025-12-30 19:59:11 C 07 03 39.15 +56 59 30.1 V 104
2025-12-30 20:09:35 B 07 03 38.364 +57 05 44.88 Z K74
2025-12-30 20:20:46 B 07 03 42.151 +57 13 20.17 Z K74
2025-12-30 20:31:57 B 07 03 45.898 +57 20 56.62 Z K74