480822 (1998 YM4)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7195661734 ± 5.62e-08
Semi-major axis (a)1.4767783261 AU ± 2.64e-09
Inclination (i)3.43207123° ± 4.43e-06
Long. of Asc. Node (Ω)341.74440117° ± 1.56e-04
Arg. of Perihelion (ω)344.55517478° ± 1.57e-04
Mean Anomaly (M)35.71949053° ± 2.14e-05
Mean Motion (n)0.5492111068°/day ± 1.47e-09
Perihelion dist (q)0.41413860 AU ± 8.30e-08
Aphelion dist (Q)2.53941806 AU ± 8.31e-08
Orbital Period1.79462191 yr ± 4.81e-09
Physical Parameters
H (abs. magnitude)19.67
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.444″
Uncertainty0
Orbit TypeApollo
MOID0.046549 AU
Observations Used260
Oppositions12
Arc Total1998-2026
First Observation Used1998-12-19
Last Observation Used2026-01-10
Observations (262)
Date Type RA Dec Mag Band Observatory
2025-12-22 11:22:51 C 08 48 08.773 +24 55 55.13 V G96
2025-12-22 11:30:16 C 08 48 07.744 +24 55 59.41 V G96
2025-12-24 21:09:50 C 08 39 53.70 +25 25 02.6 V D29
2025-12-24 21:28:56 C 08 39 50.89 +25 25 11.2 V D29
2026-01-06 17:29:51 C 07 54 42.252 +27 19 17.04 W O18
2026-01-06 18:05:21 C 07 54 37.099 +27 19 25.65 W O18
2026-01-09 09:04:31 C 07 45 49.864 +27 32 49.41 X F51
2026-01-09 09:22:28 C 07 45 47.356 +27 32 52.96 X F51
2026-01-09 09:40:35 C 07 45 44.816 +27 32 56.48 X F51
2026-01-10 16:42:43 C 07 41 32.37 +27 38 13.6 V D29
2026-01-10 17:03:05 C 07 41 29.59 +27 38 16.6 V D29
2026-01-10 17:23:26 C 07 41 26.77 +27 38 20.2 V D29