2025 YX4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8168764358 ± 3.23e-04
Semi-major axis (a)2.5193209776 AU ± 3.71e-03
Inclination (i)15.64062013° ± 7.17e-03
Long. of Asc. Node (Ω)107.15049903° ± 2.30e-03
Arg. of Perihelion (ω)93.30323798° ± 2.91e-03
Mean Anomaly (M)338.19005949° ± 5.09e-02
Mean Motion (n)0.2464830287°/day ± 5.45e-04
Perihelion dist (q)0.46134704 AU ± 1.06e-03
Aphelion dist (Q)4.57729492 AU ± 6.79e-03
Orbital Period3.99875922 yr ± 8.84e-03
Physical Parameters
H (abs. magnitude)22.69
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.249″
Uncertainty2
Orbit TypeApollo
MOID0.031513 AU
Observations Used40
Oppositions1
Arc Total2025-2026
First Observation Used2025-12-21
Last Observation Used2026-01-06
Observations (40)
Date Type RA Dec Mag Band Observatory
2025-12-21 09:31:22 C 05 52 56.543 -02 02 18.66 X F52
2025-12-21 09:48:26 C 05 52 52.926 -02 02 36.92 X F52
2025-12-21 10:05:28 C 05 52 49.316 -02 02 55.28 X F52
2025-12-21 10:22:28 C 05 52 45.684 -02 03 13.84 X F52
2025-12-21 14:20:24 C 05 51 56.107 -02 06 54.40 W 474
2025-12-21 14:34:34 C 05 51 53.038 -02 07 10.20 W 474
2025-12-21 22:14:26 C 05 50 17.13 -02 16 34.1 S L01
2025-12-21 22:18:05 C 05 50 16.32 -02 16 38.4 S L01
2025-12-21 22:27:43 C 05 50 14.16 -02 16 50.0 S L01
2025-12-22 03:19:44 B 05 49 11.32 -02 22 19.3 X W13
2025-12-22 03:40:55 B 05 49 06.43 -02 22 43.2 X W13
2025-12-22 03:46:30 C 05 49 05.22 -02 22 49.9 V H21
2025-12-22 03:55:04 C 05 49 03.29 -02 22 59.9 V H21
2025-12-22 03:59:21 C 05 49 02.28 -02 23 05.0 V H21
2025-12-22 04:02:05 B 05 49 01.61 -02 23 07.7 X W13
2025-12-22 05:26:21 C 05 48 43.038 -02 24 42.23 V I52
2025-12-22 05:27:05 C 05 48 42.854 -02 24 42.88 V I52
2025-12-22 05:34:21 C 05 48 41.216 -02 24 50.76 V I52
2025-12-22 05:41:36 C 05 48 39.481 -02 24 59.98 V I52
2025-12-22 11:42:41 C 05 47 15.674 -02 31 56.15 V T14
2025-12-22 11:44:39 C 05 47 15.203 -02 31 58.46 V T14
2025-12-22 11:46:02 C 05 47 14.864 -02 32 00.13 V T14
2025-12-22 23:10:59 C 05 44 34.040 -02 45 55.74 W J04
2025-12-24 00:54:55 C 05 37 49.890 -03 18 48.80 V 807
2025-12-24 01:11:28 C 05 37 45.120 -03 19 11.50 V 807
2025-12-24 01:19:43 C 05 37 42.700 -03 19 22.80 V 807
2025-12-26 08:01:10 C 05 19 34.980 -04 45 11.60 V 691
2025-12-26 08:07:02 C 05 19 32.620 -04 45 21.90 V 691
2025-12-26 08:12:53 C 05 19 30.300 -04 45 32.30 V 691
2025-12-28 08:07:10 C 04 57 51.278 -06 20 24.24 X F52
2025-12-28 08:24:18 C 04 57 41.937 -06 21 02.60 X F52
2025-12-28 08:58:34 C 04 57 23.208 -06 22 19.61 X F52
2025-12-29 02:49:47 C 04 47 21.810 -07 04 18.90 V 691
2025-12-29 02:59:55 C 04 47 15.630 -07 04 44.30 V 691
2025-12-29 03:10:03 C 04 47 09.420 -07 05 09.50 V 691
2026-01-03 18:27:49 B 02 31 18.900 -14 13 45.71 W 204
2026-01-03 18:48:24 B 02 30 47.710 -14 14 50.71 W 204
2026-01-06 03:05:06 C 00 58 42.352 -16 17 07.30 V I52
2026-01-06 03:08:32 C 00 58 36.455 -16 17 09.96 V I52
2026-01-06 03:11:58 C 00 58 30.551 -16 17 13.20 V I52