2018 RM4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5852595269 ± 2.00e+00
Semi-major axis (a)2.2056548941 AU ± 3.00e+00
Inclination (i)1.60529007° ± 4.00e+00
Long. of Asc. Node (Ω)240.74212830° ± 5.00e+00
Arg. of Perihelion (ω)157.20650788° ± 6.00e+00
Mean Anomaly (M)58.82046936° ± 3.50e-01
Mean Motion (n)0.3008737800°/day ± 6.14e-01
Perihelion dist (q)0.91475680 AU ± 4.58e+00
Aphelion dist (Q)3.49664360 AU ± 6.49e+00
Orbital Period3.27581770 yr ± 6.68e+00
Physical Parameters
H (abs. magnitude)25.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.295″
Uncertainty3
Orbit TypeApollo
MOID0.006477 AU
Observations Used33
Oppositions1
Arc Total2018-2018
First Observation Used
Last Observation Used2018-09-14
Observations (34)
Date Type RA Dec Mag Band Observatory
2018-09-10 04:19:36 C 21 54 19.27 +16 23 18.2 V G96
2018-09-10 04:27:12 C 21 54 19.33 +16 24 11.8 V G96
2018-09-10 04:34:48 C 21 54 19.34 +16 25 04.3 V G96
2018-09-10 04:42:24 C 21 54 19.40 +16 25 57.4 V G96
2018-09-10 08:34:44 C 21 54 21.01 +16 52 57.3 V I52
2018-09-10 08:37:07 C 21 54 21.03 +16 53 14.5 V I52
2018-09-10 08:39:32 C 21 54 21.07 +16 53 31.2 V I52
2018-09-10 08:41:55 C 21 54 21.12 +16 53 47.5 V I52
2018-09-10 20:01:19 C 21 55 00.69 +18 17 30.5 V L01
2018-09-10 20:11:11 C 21 55 00.86 +18 18 46.9 V L01
2018-09-11 03:47:22 C 21 55 26.35 +19 20 13.8 I52
2018-09-11 03:50:17 C 21 55 26.41 +19 20 38.0 I52
2018-09-11 03:53:11 C 21 55 26.47 +19 21 02.3 I52
2018-09-11 03:56:06 C 21 55 26.53 +19 21 26.6 I52
2018-09-11 19:55:30 C 21 56 22.01 +21 42 12.6 S 033
2018-09-11 19:57:23 C 21 56 22.09 +21 42 30.7 S 033
2018-09-11 19:59:15 C 21 56 22.17 +21 42 48.4 S 033
2018-09-11 20:01:09 C 21 56 22.22 +21 43 06.4 S 033
2018-09-11 20:03:02 C 21 56 22.29 +21 43 24.8 S 033
2018-09-11 20:04:56 C 21 56 22.36 +21 43 42.8 S 033
2018-09-11 20:23:13 C 21 56 23.52 +21 46 55.3 19.6 V 104
2018-09-11 20:32:40 C 21 56 23.81 +21 48 24.9 19.6 V 104
2018-09-11 20:42:51 C 21 56 24.11 +21 50 02.3 V 104
2018-09-11 21:28:01 C 21 56 25.47 +21 57 16.1 q K63
2018-09-11 21:33:27 C 21 56 25.62 +21 58 08.5 q K63
2018-09-11 21:39:06 C 21 56 25.82 +21 59 02.4 q K63
2018-09-12 03:52:18 C 21 56 56.62 +23 00 47.7 I52
2018-09-12 03:53:40 C 21 56 56.67 +23 01 02.3 I52
2018-09-12 03:55:04 C 21 56 56.72 +23 01 16.1 I52
2018-09-12 03:56:28 C 21 56 56.77 +23 01 30.1 I52
2018-09-14 03:53:28 C 22 01 54.25 +33 09 22.9 V I52
2018-09-14 03:55:59 C 22 01 54.50 +33 10 02.9 V I52
2018-09-14 03:58:28 C 22 01 54.68 +33 10 42.3 V I52
2018-09-14 03:59:16 C 22 01 54.78 +33 10 54.5 V I52