2025 YJ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3572555061 ± 1.64e-03
Semi-major axis (a)1.7132654592 AU ± 4.82e-03
Inclination (i)40.78028377° ± 6.24e-02
Long. of Asc. Node (Ω)273.07992433° ± 3.07e-03
Arg. of Perihelion (ω)154.40166642° ± 5.89e-02
Mean Anomaly (M)357.43736541° ± 1.84e-02
Mean Motion (n)0.4395166049°/day ± 1.85e-03
Perihelion dist (q)1.10119194 AU ± 4.18e-03
Aphelion dist (Q)2.32533898 AU ± 7.12e-03
Orbital Period2.24252343 yr ± 9.46e-03
Physical Parameters
H (abs. magnitude)23.84
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.215″
Uncertainty2
Orbit TypeAmor
MOID0.143777 AU
Observations Used22
Oppositions1
Arc Total2025-2025
First Observation Used2025-12-22
Last Observation Used2025-12-31
Observations (23)
Date Type RA Dec Mag Band Observatory
2025-12-22 08:40:02 C 07 15 54.385 +25 30 58.68 V G96
2025-12-22 08:47:33 C 07 15 51.491 +25 29 36.56 V G96
2025-12-22 08:55:04 C 07 15 48.661 +25 28 14.09 V G96
2025-12-22 09:02:34 C 07 15 45.745 +25 26 50.64 V G96
2025-12-22 11:11:45 C 07 14 56.872 +25 03 03.38 V I52
2025-12-22 11:16:43 C 07 14 55.000 +25 02 08.77 V I52
2025-12-22 11:21:39 C 07 14 53.164 +25 01 13.69 V I52
2025-12-23 02:16:12 C 07 09 37.680 +22 17 04.47 W J04
2025-12-23 02:26:47 C 07 09 33.818 +22 15 07.84 W J04
2025-12-23 06:17:20 C 07 08 16.278 +21 32 43.22 V V06
2025-12-23 06:18:03 C 07 08 16.033 +21 32 35.38 V V06
2025-12-23 06:18:47 C 07 08 15.774 +21 32 27.38 V V06
2025-12-23 06:19:31 C 07 08 15.504 +21 32 19.36 V V06
2025-12-23 08:53:36 C 07 07 20.259 +21 04 05.55 W H01
2025-12-23 08:59:04 C 07 07 18.319 +21 03 05.46 W H01
2025-12-23 09:16:27 C 07 07 12.142 +20 59 54.27 W H01
2025-12-23 09:23:10 C 07 07 09.758 +20 58 40.23 W H01
2025-12-24 03:41:04 C 07 01 08.430 +17 39 44.30 V 807
2025-12-24 03:52:46 C 07 01 04.450 +17 37 37.60 V 807
2025-12-24 04:04:28 C 07 01 00.520 +17 35 31.30 V 807
2025-12-31 03:53:04 C 06 18 34.770 -07 42 38.90 V 807
2025-12-31 04:10:31 C 06 18 31.220 -07 44 38.90 V 807
2025-12-31 04:27:59 C 06 18 27.610 -07 46 38.10 V 807