2018 RB4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1120570452 ± 5.36e-05
Semi-major axis (a)1.0636823713 AU ± 4.59e-05
Inclination (i)5.39929084° ± 3.08e-03
Long. of Asc. Node (Ω)337.33723837° ± 9.74e-04
Arg. of Perihelion (ω)101.62716767° ± 4.33e-03
Mean Anomaly (M)122.71537484° ± 1.43e-01
Mean Motion (n)0.8984508703°/day ± 5.81e-05
Perihelion dist (q)0.94448927 AU ± 7.01e-05
Aphelion dist (Q)1.18287547 AU ± 7.65e-05
Orbital Period1.09702858 yr ± 7.09e-05
Physical Parameters
H (abs. magnitude)26.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.175″
Uncertainty3
Orbit TypeApollo
MOID0.026191 AU
Observations Used26
Oppositions1
Arc Total2018-2018
First Observation Used2018-09-10
Last Observation Used2018-09-30
Observations (26)
Date Type RA Dec Mag Band Observatory
2018-09-10 04:51:25 C 22 36 51.73 +11 34 18.0 V G96
2018-09-10 04:58:54 C 22 36 49.69 +11 34 52.3 V G96
2018-09-10 05:06:22 C 22 36 47.57 +11 35 27.7 V G96
2018-09-10 05:13:49 C 22 36 45.55 +11 36 01.5 V G96
2018-09-10 08:28:56 C 22 35 50.70 +11 50 57.3 V V06
2018-09-10 08:34:30 C 22 35 49.16 +11 51 22.6 V V06
2018-09-10 08:40:02 C 22 35 47.61 +11 51 47.8 V V06
2018-09-10 08:45:34 C 22 35 46.07 +11 52 12.8 V V06
2018-09-10 20:59:40 C 22 32 56.40 +12 48 24.7 V L01
2018-09-10 21:07:07 C 22 32 54.30 +12 49 00.0 V L01
2018-09-11 03:47:26 C 22 31 15.97 +13 20 32.2 u H21
2018-09-11 03:56:20 C 22 31 13.40 +13 21 14.5 u H21
2018-09-11 04:22:02 C 22 31 05.99 +13 23 16.3 u H21
2018-09-11 04:30:50 C 22 31 07.41 +13 24 13.0 V06
2018-09-11 04:36:22 C 22 31 05.80 +13 24 39.6 V06
2018-09-11 04:41:54 C 22 31 04.22 +13 25 06.1 V06
2018-09-11 04:47:26 C 22 31 02.62 +13 25 32.6 V06
2018-09-17 03:39:56 C 21 50 41.13 +25 09 18.3 V V06
2018-09-17 03:47:20 C 21 50 38.44 +25 09 56.3 V V06
2018-09-17 03:54:43 C 21 50 35.75 +25 10 34.0 V V06
2018-09-20 01:53:17 C 21 27 28.24 +30 51 50.4 u H21
2018-09-20 02:13:49 C 21 27 20.18 +30 53 30.1 u H21
2018-09-20 02:23:50 C 21 27 16.23 +30 54 18.4 u H21
2018-09-30 05:25:45 C 19 55 00.62 +46 20 06.3 o 695
2018-09-30 05:35:19 C 19 54 56.36 +46 20 29.4 o 695
2018-09-30 05:44:54 C 19 54 52.08 +46 20 52.3 o 695