2025 YA4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4912717542 ± 6.63e-04
Semi-major axis (a)1.3340734926 AU ± 1.24e-03
Inclination (i)6.70495047° ± 9.65e-03
Long. of Asc. Node (Ω)92.48440635° ± 3.30e-03
Arg. of Perihelion (ω)99.44757221° ± 5.39e-03
Mean Anomaly (M)297.54544846° ± 1.06e-01
Mean Motion (n)0.6396503526°/day ± 8.94e-04
Perihelion dist (q)0.67868087 AU ± 1.09e-03
Aphelion dist (Q)1.98946612 AU ± 2.05e-03
Orbital Period1.54088289 yr ± 2.15e-03
Physical Parameters
H (abs. magnitude)24.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.237″
Uncertainty3
Orbit TypeApollo
MOID0.020338 AU
Observations Used35
Oppositions1
Arc Total2025-2025
First Observation Used2025-12-21
Last Observation Used2025-12-31
Observations (36)
Date Type RA Dec Mag Band Observatory
2025-12-21 09:19:39 C 07 45 44.518 +21 01 32.66 V V00
2025-12-21 09:34:57 C 07 45 46.642 +21 01 57.47 V V00
2025-12-21 09:43:54 C 07 45 47.891 +21 02 11.80 V V00
2025-12-21 09:52:50 C 07 45 49.140 +21 02 26.27 V V00
2025-12-21 10:36:20 C 07 45 54.965 +21 03 33.39 W H01
2025-12-21 10:41:31 C 07 45 55.699 +21 03 41.52 W H01
2025-12-21 10:59:06 C 07 45 58.211 +21 04 09.81 W H01
2025-12-21 11:05:34 C 07 45 59.138 +21 04 19.98 W H01
2025-12-21 11:49:05 C 07 46 05.560 +21 05 32.03 V I52
2025-12-21 11:53:32 C 07 46 06.200 +21 05 38.80 V I52
2025-12-21 11:57:59 C 07 46 06.848 +21 05 46.07 V I52
2025-12-21 12:10:28 C 07 46 08.674 +21 06 05.69 V I52
2025-12-21 13:03:38 C 07 46 16.540 +21 07 30.11 V V06
2025-12-21 13:06:21 C 07 46 16.961 +21 07 34.50 V V06
2025-12-21 13:09:04 C 07 46 17.360 +21 07 38.68 V V06
2025-12-22 05:57:31 C 07 49 11.74 +21 36 58.9 V H21
2025-12-22 06:06:05 C 07 49 13.10 +21 37 15.1 V H21
2025-12-22 06:14:39 C 07 49 14.42 +21 37 30.9 V H21
2025-12-22 06:54:19 C 07 49 22.465 +21 38 49.74 V I52
2025-12-22 06:58:15 C 07 49 23.106 +21 38 57.48 V I52
2025-12-22 07:21:29 C 07 49 26.843 +21 39 41.29 V I52
2025-12-22 07:24:19 C 07 49 27.296 +21 39 46.87 V I52
2025-12-22 09:37:16 C 07 49 48.598 +21 43 56.14 V G96
2025-12-22 09:44:37 C 07 49 49.768 +21 44 10.32 V G96
2025-12-22 09:52:00 C 07 49 50.938 +21 44 24.04 V G96
2025-12-22 11:44:09 C 07 50 09.287 +21 47 50.68 V I52
2025-12-22 11:46:01 C 07 50 09.596 +21 47 54.06 V I52
2025-12-22 11:47:51 C 07 50 09.913 +21 47 57.70 V I52
2025-12-22 11:49:42 C 07 50 10.244 +21 48 00.22 V I52
2025-12-23 08:26:36 C 07 54 14.281 +22 29 47.58 V I52
2025-12-23 08:30:48 C 07 54 15.084 +22 29 57.01 V I52
2025-12-27 15:04:45 C 08 26 34.54 +27 48 28.2 V D29
2025-12-27 15:42:56 C 08 26 51.80 +27 51 19.1 V D29
2025-12-31 01:13:11 B 09 32 12.029 +36 06 31.64 Z 185
2025-12-31 01:35:25 B 09 32 40.202 +36 09 27.94 Z 185
2025-12-31 01:57:17 B 09 33 08.023 +36 12 20.92 Z 185