2018 MW4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5543139108 ± 5.79e-05
Semi-major axis (a)2.7739541337 AU ± 3.99e-04
Inclination (i)25.30629172° ± 2.52e-03
Long. of Asc. Node (Ω)254.63652005° ± 1.19e-03
Arg. of Perihelion (ω)66.60890701° ± 2.02e-03
Mean Anomaly (M)196.62272583° ± 1.22e-01
Mean Motion (n)0.2133356141°/day ± 4.61e-05
Perihelion dist (q)1.23631277 AU ± 2.40e-04
Aphelion dist (Q)4.31159550 AU ± 6.41e-04
Orbital Period4.62007381 yr ± 9.98e-04
Physical Parameters
H (abs. magnitude)20.65
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.178″
Uncertainty3
Orbit TypeAmor
MOID0.399502 AU
Observations Used18
Oppositions1
Arc Total2018-2018
First Observation Used2018-06-14
Last Observation Used2018-07-12
Observations (18)
Date Type RA Dec Mag Band Observatory
2018-06-14 08:03:05 C 14 55 16.506 -23 35 32.68 V F51
2018-06-14 08:19:03 C 14 55 15.997 -23 35 10.18 V F51
2018-06-14 08:35:03 C 14 55 15.447 -23 34 47.91 V F51
2018-06-14 08:51:03 C 14 55 14.971 -23 34 25.03 V F51
2018-06-17 06:37:25 C 14 53 28.739 -21 56 09.61 U F51
2018-06-17 06:53:21 C 14 53 28.317 -21 55 47.04 U F51
2018-06-17 07:09:13 C 14 53 27.906 -21 55 24.77 U F51
2018-06-17 07:25:07 C 14 53 27.493 -21 55 02.42 U F51
2018-06-18 00:03:11 C 14 53 06.09 -21 31 27.0 u 807
2018-06-18 00:16:52 C 14 53 05.74 -21 31 08.0 u 807
2018-06-18 00:30:06 C 14 53 05.42 -21 30 49.4 u 807
2018-06-19 05:14:16 C 14 52 30.97 -20 50 37.5 o 291
2018-06-19 05:24:00 C 14 52 30.77 -20 50 22.5 o 291
2018-06-19 05:33:43 C 14 52 30.54 -20 50 09.9 o 291
2018-07-12 06:42:00 C 14 55 40.128 -09 03 41.35 U F51
2018-07-12 06:58:12 C 14 55 40.549 -09 03 23.31 U F51
2018-07-12 07:14:25 C 14 55 40.977 -09 03 05.85 U F51
2018-07-12 07:30:38 C 14 55 41.394 -09 02 47.97 U F51