2018 RA1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3238002394 ± 2.00e+00
Semi-major axis (a)1.1415948083 AU ± 3.00e+00
Inclination (i)8.63242893° ± 4.00e+00
Long. of Asc. Node (Ω)166.09734776° ± 5.00e+00
Arg. of Perihelion (ω)269.28626052° ± 6.00e+00
Mean Anomaly (M)271.11844645° ± 6.49e-02
Mean Motion (n)0.8080486500°/day ± 3.19e+00
Perihelion dist (q)0.77194760 AU ± 3.05e+00
Aphelion dist (Q)1.51123700 AU ± 4.58e+00
Orbital Period1.21973800 yr ± 4.81e+00
Physical Parameters
H (abs. magnitude)26.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.198″
Uncertainty2
Orbit TypeApollo
MOID0.003803 AU
Observations Used54
Oppositions1
Arc Total2018-2018
First Observation Used
Last Observation Used2018-09-11
Observations (56)
Date Type RA Dec Mag Band Observatory
2018-09-09 05:55:19 C 21 59 00.09 -10 23 54.9 V I52
2018-09-11 08:28:33 C 16 32 01.09 -73 53 23.4 V 474
2018-09-11 08:28:46 C 16 31 54.46 -73 53 25.4 V 474
2018-09-11 08:29:12 C 16 31 41.16 -73 53 28.5 V 474
2018-09-11 08:29:39 C 16 31 27.94 -73 53 32.1 V 474
2018-09-11 08:30:19 C 16 31 08.05 -73 53 37.2 V 474