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
2018-09-06 08:21:27 C 22 19 45.96 +07 26 52.0 V G96
2018-09-06 08:29:29 C 22 19 44.32 +07 25 59.8 V G96
2018-09-06 08:37:31 C 22 19 42.72 +07 25 07.5 V G96
2018-09-06 08:45:33 C 22 19 41.09 +07 24 14.7 V G96
2018-09-06 09:56:42 C 22 19 27.33 +07 16 22.7 V I52
2018-09-06 09:57:04 C 22 19 27.25 +07 16 20.0 V I52
2018-09-06 09:57:24 C 22 19 27.16 +07 16 17.8 V I52
2018-09-06 09:57:45 C 22 19 27.10 +07 16 15.4 V I52
2018-09-06 12:35:40 C 22 19 16.81 +07 05 13.5 V 474
2018-09-06 12:38:46 C 22 19 16.16 +07 04 52.1 V 474
2018-09-06 12:40:51 C 22 19 15.71 +07 04 37.8 V 474
2018-09-06 12:42:34 C 22 19 15.37 +07 04 26.0 V 474
2018-09-06 20:36:23 C 22 18 16.46 +05 57 44.9 q K63
2018-09-06 20:48:04 C 22 18 13.83 +05 56 11.5 q K63
2018-09-06 20:52:49 C 22 18 12.74 +05 55 33.9 q K63
2018-09-06 20:59:02 C 22 18 11.34 +05 54 43.7 q K63
2018-09-06 23:02:49 C 22 17 51.41 +05 39 05.8 V J04
2018-09-06 23:03:14 C 22 17 51.28 +05 39 02.3 V J04
2018-09-06 23:03:39 C 22 17 51.18 +05 38 58.8 V J04
2018-09-06 23:43:54 C 22 17 31.12 +05 31 45.0 V L01
2018-09-06 23:46:23 C 22 17 30.53 +05 31 24.0 V L01
2018-09-06 23:48:52 C 22 17 29.94 +05 31 02.5 V L01
2018-09-07 03:21:45 C 22 17 15.38 +05 00 34.8 V I52
2018-09-07 03:22:01 C 22 17 15.31 +05 00 32.9 V I52
2018-09-07 03:22:16 C 22 17 15.22 +05 00 30.2 V I52
2018-09-07 03:22:33 C 22 17 15.18 +05 00 27.9 V I52
2018-09-07 20:13:19 C 22 13 32.09 +01 52 48.4 V 104
2018-09-07 20:17:51 C 22 13 30.54 +01 51 47.9 V 104
2018-09-07 20:22:23 C 22 13 28.99 +01 50 47.9 V 104
2018-09-07 21:19:21 C 22 13 10.23 +01 37 56.2 q C77
2018-09-07 21:25:20 C 22 13 08.12 +01 36 33.5 q C77
2018-09-07 21:35:39 C 22 13 04.48 +01 34 11.4 q C77
2018-09-08 01:48:21 C 22 11 58.64 +00 42 56.1 U I19
2018-09-08 01:51:24 C 22 11 57.39 +00 42 09.4 U I19
2018-09-08 01:55:04 C 22 11 55.93 +00 41 13.8 U I19
2018-09-08 06:17:03 C 22 10 24.21 -00 38 12.2 V I52
2018-09-08 06:17:15 C 22 10 24.11 -00 38 15.4 V I52
2018-09-08 06:17:26 C 22 10 24.04 -00 38 18.6 V I52
2018-09-08 06:17:37 C 22 10 23.95 -00 38 21.7 V I52
2018-09-08 10:43:32 C 22 08 55.32 -01 47 59.5 V 474
2018-09-08 10:46:24 C 22 08 53.93 -01 48 54.4 V 474
2018-09-08 10:50:41 C 22 08 51.84 -01 50 16.8 V 474
2018-09-08 23:11:06 C 22 03 01.78 -06 52 49.2 V 204
2018-09-08 23:13:49 C 22 02 59.93 -06 54 05.6 V 204
2018-09-08 23:16:34 C 22 02 58.03 -06 55 23.2 V 204
2018-09-08 23:19:14 C 22 02 56.20 -06 56 38.1 V 204
2018-09-08 23:21:56 C 22 02 54.33 -06 57 55.2 V 204
2018-09-09 05:52:20 C 21 59 02.74 -10 22 09.6 V I52
2018-09-09 05:54:56 C 21 59 00.42 -10 23 41.9 V I52
2018-09-09 05:55:07 C 21 59 00.25 -10 23 48.4 V I52