2003 WY87

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5188923797 ± 1.04e-07
Semi-major axis (a)2.4164207431 AU ± 1.64e-08
Inclination (i)9.45069498° ± 1.51e-05
Long. of Asc. Node (Ω)54.13633103° ± 1.99e-05
Arg. of Perihelion (ω)6.10676035° ± 8.78e-05
Mean Anomaly (M)308.50609141° ± 3.29e-05
Mean Motion (n)0.2623937241°/day ± 2.67e-09
Perihelion dist (q)1.16255843 AU ± 2.51e-07
Aphelion dist (Q)3.67028305 AU ± 2.52e-07
Orbital Period3.75628757 yr ± 3.82e-08
Physical Parameters
H (abs. magnitude)22.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.356″
Uncertainty0
Orbit TypeAmor
MOID0.174042 AU
Observations Used57
Oppositions12
Arc Total2003-2019
First Observation Used2003-11-24
Last Observation Used2019-01-11
Observations (59)
Date Type RA Dec Mag Band Observatory
2018-12-12 08:37:17 C 01 37 56.502 +23 29 49.88 U F51
2018-12-12 09:12:35 C 01 38 00.348 +23 31 08.20 U F51
2018-12-12 09:30:18 C 01 38 02.290 +23 31 47.67 U F51
2019-01-04 00:22:44 C 02 57 40.82 +38 44 50.3 u H21
2019-01-04 00:43:40 C 02 57 44.20 +38 45 12.6 u H21
2019-01-04 01:07:39 C 02 57 48.04 +38 45 39.0 u H21
2019-01-11 01:35:04 C 03 26 38.22 +41 14 40.6 u H21
2019-01-11 01:53:12 C 03 26 41.27 +41 14 53.4 u H21
2019-01-11 02:13:08 C 03 26 44.56 +41 15 08.1 u H21