2018 RR4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6219455000
Semi-major axis (a)2.6360558000 AU
Inclination (i)3.17790000°
Long. of Asc. Node (Ω)351.36166000°
Arg. of Perihelion (ω)14.85313000°
Mean Anomaly (M)241.88789000°
Mean Motion (n)0.2302884600°/day
Perihelion dist (q)0.99657280 AU
Aphelion dist (Q)4.27553880 AU
Orbital Period4.27988300 yr
Physical Parameters
H (abs. magnitude)27.10
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.510″
Uncertainty5
Orbit TypeApollo
MOID0.001005 AU
Observations Used20
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-09-13
Observations (28)
Date Type RA Dec Mag Band Observatory
2018-09-11 08:56:42 C 23 21 22.29 -23 27 00.7 U I41
2018-09-11 08:57:11 C 23 21 24.08 -23 26 45.0 U I41
2018-09-11 09:36:06 C 23 23 41.81 -23 08 13.4 U I41
2018-09-11 09:36:37 C 23 23 43.34 -23 08 01.0 U I41
2018-09-11 12:21:15 C 23 35 07.55 -21 31 07.1 m Q66
2018-09-11 12:23:15 C 23 35 14.94 -21 30 06.7 m Q66
2018-09-11 15:26:06 C 23 46 51.59 -19 49 02.9 m Q66
2018-09-11 15:28:06 C 23 46 59.46 -19 47 52.4 m Q66
2018-09-11 22:44:15 C 00 18 58.60 -15 22 23.2 V L01
2018-09-11 22:46:40 C 00 19 09.13 -15 20 39.6 V L01
2018-09-11 22:47:53 C 00 19 14.34 -15 19 48.2 V L01
2018-09-11 22:49:12 C 00 19 20.06 -15 18 51.6 V L01
2018-09-11 22:50:13 C 00 19 24.44 -15 18 08.4 V L01
2018-09-12 07:07:04 C 00 58 15.38 -08 46 51.9 I52
2018-09-12 07:07:13 C 00 58 16.07 -08 46 44.2 I52
2018-09-12 07:07:21 C 00 58 16.74 -08 46 36.9 I52
2018-09-12 07:07:31 C 00 58 17.42 -08 46 29.7 I52
2018-09-12 07:55:44 C 01 02 02.94 -08 06 10.7 U I41
2018-09-12 07:56:15 C 01 02 05.15 -08 05 45.4 U I41
2018-09-12 09:53:23 C 01 10 59.06 -06 25 51.9 U I41
2018-09-12 09:53:53 C 01 11 01.36 -06 25 25.8 U I41
2018-09-12 10:36:50 C 01 14 17.22 -05 48 19.8 U I41
2018-09-12 10:37:19 C 01 14 19.43 -05 47 53.7 U I41
2018-09-12 14:09:06 C 01 32 00.03 -02 45 49.5 q Q33
2018-09-12 15:41:57 C 01 39 05.24 -01 24 49.0 q Q33
2018-09-13 02:43:02 C 02 29 13.83 +07 42 49.8 V J95
2018-09-13 02:47:37 C 02 29 32.89 +07 46 21.1 V J95
2018-09-13 02:51:49 C 02 29 50.24 +07 49 32.9 V J95