2018 RW27

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5377630455 ± 7.16e-06
Semi-major axis (a)2.7728147486 AU ± 4.55e-05
Inclination (i)9.09826815° ± 5.36e-05
Long. of Asc. Node (Ω)168.87695183° ± 1.10e-04
Arg. of Perihelion (ω)165.75117969° ± 6.86e-05
Mean Anomaly (M)198.37846742° ± 1.39e-02
Mean Motion (n)0.2134671211°/day ± 5.25e-06
Perihelion dist (q)1.28169744 AU ± 2.89e-05
Aphelion dist (Q)4.26393205 AU ± 7.27e-05
Orbital Period4.61722760 yr ± 1.14e-04
Physical Parameters
H (abs. magnitude)19.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.217″
Uncertainty2
Orbit TypeAmor
MOID0.273107 AU
Observations Used22
Oppositions1
Arc Total2018-2018
First Observation Used2018-07-04
Last Observation Used2018-12-14
Observations (63)
Date Type RA Dec Mag Band Observatory
2018-10-02 00:42:59 C 20 02 22.38 -19 03 08.6 u 807
2018-10-02 00:48:56 C 20 02 23.29 -19 03 10.7 u 807
2018-10-02 00:55:44 C 20 02 24.33 -19 03 13.3 u 807
2018-10-10 02:33:52 C 20 33 01.74 -19 53 20.7 o 291
2018-10-10 02:38:59 C 20 33 02.54 -19 53 21.8 o 291
2018-10-27 01:47:49 C 21 37 40.69 -19 33 57.4 V V06
2018-10-27 01:50:34 C 21 37 41.13 -19 33 56.8 V V06
2018-10-27 01:56:05 C 21 37 41.91 -19 33 57.0 V V06
2018-11-09 04:13:47 C 22 24 11.75 -17 43 04.4 o 291
2018-11-09 04:35:24 C 22 24 14.78 -17 42 54.0 o 291
2018-11-09 04:57:06 C 22 24 17.80 -17 42 44.3 o 291
2018-12-14 02:42:54 C 00 07 14.37 -09 25 48.1 o 291
2018-12-14 03:04:32 C 00 07 16.65 -09 25 33.9 o 291