2025 YN4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6268261872 ± 3.31e-04
Semi-major axis (a)2.0004586003 AU ± 1.41e-03
Inclination (i)10.29697151° ± 6.97e-03
Long. of Asc. Node (Ω)279.20500231° ± 8.57e-04
Arg. of Perihelion (ω)280.89173742° ± 5.04e-03
Mean Anomaly (M)316.25053643° ± 4.76e-02
Mean Motion (n)0.3483516918°/day ± 3.67e-04
Perihelion dist (q)0.74651876 AU ± 8.44e-04
Aphelion dist (Q)3.25439844 AU ± 2.38e-03
Orbital Period2.82940002 yr ± 2.98e-03
Physical Parameters
H (abs. magnitude)21.28
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.223″
Uncertainty2
Orbit TypeApollo
MOID0.021202 AU
Observations Used43
Oppositions1
Arc Total2025-2026
First Observation Used2025-12-21
Last Observation Used2026-01-10
Observations (45)
Date Type RA Dec Mag Band Observatory
2025-12-21 08:04:11 C 06 45 06.289 +26 18 23.54 V V00
2025-12-21 08:05:05 C 06 45 06.196 +26 18 23.22 V V00
2025-12-21 08:13:08 C 06 45 05.540 +26 18 19.76 V V00
2025-12-21 08:14:01 C 06 45 05.458 +26 18 19.33 V V00
2025-12-21 08:23:17 C 06 45 04.698 +26 18 15.48 V V00
2025-12-21 08:24:11 C 06 45 04.637 +26 18 14.94 V V00
2025-12-21 08:32:14 C 06 45 03.967 +26 18 11.63 V V00
2025-12-21 09:40:52 C 06 44 58.220 +26 17 40.86 W H01
2025-12-21 09:45:47 C 06 44 57.814 +26 17 38.66 W H01
2025-12-21 10:02:17 C 06 44 56.455 +26 17 31.33 W H01
2025-12-21 10:11:14 C 06 44 55.722 +26 17 27.39 W H01
2025-12-22 04:20:06 C 06 43 29.90 +26 09 26.7 V H21
2025-12-22 04:49:28 C 06 43 27.890 +26 09 14.40 V I52
2025-12-22 04:54:48 C 06 43 27.340 +26 09 12.60 V I52
2025-12-22 04:59:23 C 06 43 26.994 +26 09 10.33 V I52
2025-12-22 05:02:51 C 06 43 26.30 +26 09 08.6 V H21
2025-12-22 05:03:59 C 06 43 26.576 +26 09 09.04 V I52
2025-12-22 05:07:07 C 06 43 25.93 +26 09 06.9 V H21
2025-12-22 07:36:01 C 06 43 13.530 +26 08 01.70 V G96
2025-12-22 07:52:20 C 06 43 12.110 +26 07 54.60 V G96
2025-12-22 08:00:29 C 06 43 11.400 +26 07 51.40 V G96
2025-12-22 12:02:17 C 06 42 51.188 +26 06 04.24 X F52
2025-12-22 12:13:43 C 06 42 50.172 +26 05 58.85 X F52
2025-12-22 12:25:03 C 06 42 49.188 +26 05 53.53 X F52
2025-12-22 12:36:32 C 06 42 48.179 +26 05 48.13 X F52
2025-12-23 01:50:46 C 06 41 42.017 +25 59 36.36 W J04
2025-12-23 02:03:48 C 06 41 40.829 +25 59 30.51 W J04
2025-12-24 04:48:50 C 06 39 20.970 +25 46 41.30 V 807
2025-12-24 04:56:21 C 06 39 20.330 +25 46 38.10 V 807
2025-12-24 05:03:52 C 06 39 19.550 +25 46 34.50 V 807
2025-12-28 13:23:24 C 06 29 01.571 +24 46 26.69 X F52
2025-12-28 13:36:29 C 06 29 00.099 +24 46 17.71 X F52
2025-12-28 13:49:48 C 06 28 58.614 +24 46 08.89 X F52
2025-12-28 14:03:17 C 06 28 57.118 +24 45 59.71 X F52
2026-01-06 02:23:11 B 06 03 23.513 +21 56 35.12 X 734
2026-01-06 02:40:18 B 06 03 20.933 +21 56 18.17 X 734
2026-01-06 04:48:47 C 06 03 02.38 +21 54 09.1 V 290
2026-01-06 04:55:05 C 06 03 01.42 +21 54 02.1 V 290
2026-01-06 04:57:01 C 06 03 01.120 +21 53 59.60 V I52
2026-01-06 05:01:21 C 06 03 00.420 +21 53 56.10 V I52
2026-01-06 05:07:15 C 06 02 59.604 +21 53 49.60 V I52
2026-01-06 05:11:16 C 06 02 59.02 +21 53 45.4 V 290
2026-01-10 18:22:46 C 05 46 29.165 +19 46 48.19 X 033
2026-01-10 18:25:02 C 05 46 28.754 +19 46 45.09 X 033
2026-01-10 18:26:21 C 05 46 28.528 +19 46 43.10 X 033