2018 WC1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4048335555 ± 2.95e-06
Semi-major axis (a)1.9923867735 AU ± 1.09e-05
Inclination (i)8.34116401° ± 3.18e-05
Long. of Asc. Node (Ω)17.98486398° ± 1.74e-04
Arg. of Perihelion (ω)50.74558232° ± 3.18e-04
Mean Anomaly (M)175.88404086° ± 7.31e-03
Mean Motion (n)0.3504707687°/day ± 2.87e-06
Perihelion dist (q)1.18580175 AU ± 8.74e-06
Aphelion dist (Q)2.79897179 AU ± 1.64e-05
Orbital Period2.81229241 yr ± 2.30e-05
Physical Parameters
H (abs. magnitude)21.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.160″
Uncertainty1
Orbit TypeAmor
MOID0.226494 AU
Observations Used57
Oppositions1
Arc Total2018-2019
First Observation Used2018-11-19
Last Observation Used2019-02-09
Observations (59)
Date Type RA Dec Mag Band Observatory
2019-01-15 10:50:01 C 08 33 54.131 +51 34 38.63 U F52
2019-01-15 11:08:00 C 08 33 53.168 +51 34 28.05 U F52
2019-01-25 06:40:26 C 08 24 08.35 +48 47 55.4 V G96
2019-01-25 06:48:04 C 08 24 08.07 +48 47 49.7 V G96
2019-01-25 06:55:41 C 08 24 07.69 +48 47 44.1 V G96
2019-01-25 07:03:23 C 08 24 07.40 +48 47 37.5 V G96
2019-02-09 08:02:24 C 08 15 37.309 +43 28 28.20 U F51
2019-02-09 08:41:19 C 08 15 36.729 +43 27 52.34 U F51
2019-02-09 09:00:42 C 08 15 36.427 +43 27 34.67 U F51