2025 YW4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1618080378 ± 1.66e-05
Semi-major axis (a)1.0270314085 AU ± 8.93e-06
Inclination (i)10.27021394° ± 1.03e-03
Long. of Asc. Node (Ω)276.98150007° ± 3.30e-05
Arg. of Perihelion (ω)263.35672152° ± 5.47e-04
Mean Anomaly (M)259.29407641° ± 2.78e-03
Mean Motion (n)0.9469710191°/day ± 1.24e-05
Perihelion dist (q)0.86084947 AU ± 1.86e-05
Aphelion dist (Q)1.19321335 AU ± 1.99e-05
Orbital Period1.04081990 yr ± 1.36e-05
Physical Parameters
H (abs. magnitude)25.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.142″
Uncertainty1
Orbit TypeApollo
MOID0.000949 AU
Observations Used53
Oppositions1
Arc Total2025-2025
First Observation Used2025-12-22
Last Observation Used2025-12-28
Observations (59)
Date Type RA Dec Mag Band Observatory
2025-12-27 02:25:51 C 12 18 27.703 +28 19 37.60 X M26
2025-12-27 03:45:10 B 12 20 25.507 +27 07 00.91 Z K74
2025-12-27 03:47:29 B 12 20 29.021 +27 04 52.86 Z K74
2025-12-27 03:49:49 B 12 20 32.582 +27 02 44.59 Z K74
2025-12-27 05:29:58 B 12 23 03.902 +25 28 51.17 X K87
2025-12-27 05:34:11 B 12 23 10.291 +25 24 47.77 X K87
2025-12-27 05:38:23 B 12 23 16.654 +25 20 44.52 X K87
2025-12-28 04:47:31 B 13 05 32.506 -01 49 59.92 V L65
2025-12-28 05:10:05 B 13 06 10.603 -02 19 26.44 V L65