2018 RR8

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7767523919 ± 1.56e-05
Semi-major axis (a)2.6186945139 AU ± 2.38e-04
Inclination (i)54.43166251° ± 1.86e-03
Long. of Asc. Node (Ω)16.40094571° ± 1.67e-04
Arg. of Perihelion (ω)234.63352350° ± 1.54e-03
Mean Anomaly (M)268.96127254° ± 8.55e-02
Mean Motion (n)0.2325867759°/day ± 3.18e-05
Perihelion dist (q)0.58461729 AU ± 6.71e-05
Aphelion dist (Q)4.65277174 AU ± 4.26e-04
Orbital Period4.23767121 yr ± 5.79e-04
Physical Parameters
H (abs. magnitude)19.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.253″
Uncertainty2
Orbit TypeApollo
MOID0.252805 AU
Observations Used92
Oppositions1
Arc Total2018-2018
First Observation Used2018-09-15
Last Observation Used2018-11-08
Observations (93)
Date Type RA Dec Mag Band Observatory
2018-10-01 13:15:33 C 01 33 29.00 -06 10 30.9 V 474
2018-10-02 08:27:23 C 01 29 20.29 -05 52 14.9 u 807
2018-10-02 08:30:00 C 01 29 19.72 -05 52 12.4 u 807
2018-10-02 08:32:36 C 01 29 19.15 -05 52 09.7 u 807
2018-10-02 11:20:20 C 01 28 44.24 -05 49 28.5 V 474
2018-10-02 11:22:23 C 01 28 43.81 -05 49 26.3 V 474
2018-10-02 11:24:25 C 01 28 43.35 -05 49 24.1 V 474
2018-10-02 11:26:27 C 01 28 42.91 -05 49 22.2 V 474
2018-10-04 00:41:59 C 01 20 54.67 -05 14 34.1 V 204
2018-10-04 00:58:06 C 01 20 51.29 -05 14 19.3 V 204
2018-10-04 01:47:24 C 01 20 41.07 -05 13 33.0 V 204
2018-10-05 10:51:25 C 01 14 01.247 -04 42 51.73 U F52
2018-10-05 11:13:20 C 01 13 56.844 -04 42 31.73 U F52
2018-10-05 11:35:17 C 01 13 52.436 -04 42 11.64 U F52
2018-10-05 11:57:16 C 01 13 48.005 -04 41 51.45 U F52
2018-10-06 08:11:22 C 01 09 50.79 -04 23 27.2 V G96
2018-10-06 08:18:51 C 01 09 49.34 -04 23 20.9 V G96
2018-10-06 08:26:21 C 01 09 47.83 -04 23 13.7 V G96
2018-10-06 08:33:51 C 01 09 46.35 -04 23 06.8 V G96
2018-10-06 08:39:41 C 01 09 45.16 -04 23 01.4 o 691
2018-10-06 08:56:10 C 01 09 41.98 -04 22 46.5 o 691
2018-10-06 09:12:19 C 01 09 38.78 -04 22 31.8 o 691
2018-10-10 09:57:04 C 00 52 03.87 -02 57 59.7 V I52
2018-10-10 09:59:27 C 00 52 03.42 -02 57 57.5 V I52
2018-10-10 10:07:13 C 00 52 02.11 -02 57 51.1 V I52
2018-10-10 10:17:24 C 00 52 00.39 -02 57 42.6 V I52
2018-10-10 10:18:29 C 00 52 00.19 -02 57 41.5 V I52
2018-10-10 10:19:35 C 00 52 00.00 -02 57 40.7 V I52
2018-10-10 10:20:41 C 00 51 59.84 -02 57 39.9 V I52
2018-10-15 09:37:37 C 00 33 25.191 -01 22 39.49 U F52
2018-10-15 09:54:34 C 00 33 22.740 -01 22 26.77 U F52
2018-10-15 10:11:31 C 00 33 20.290 -01 22 14.03 U F52
2018-10-15 10:28:31 C 00 33 17.837 -01 22 01.12 U F52
2018-10-15 12:23:42 C 00 33 01.67 -01 20 23.8 V 474
2018-10-15 12:26:44 C 00 33 01.20 -01 20 21.5 V 474
2018-10-15 12:29:46 C 00 33 00.79 -01 20 19.4 V 474
2018-10-27 03:40:37 C 00 02 04.44 +01 40 59.7 V V06
2018-10-27 03:42:48 C 00 02 04.18 +01 41 00.4 V V06
2018-10-27 03:45:00 C 00 02 04.00 +01 41 01.3 V V06
2018-10-27 03:47:11 C 00 02 03.85 +01 41 02.6 V V06
2018-11-08 01:20:40 C 23 44 31.42 +04 01 42.8 u H21
2018-11-08 01:25:38 C 23 44 31.20 +04 01 44.7 u H21
2018-11-08 01:38:47 C 23 44 30.65 +04 01 50.8 u H21