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
2018-09-15 08:41:03 C 03 05 16.00 -12 07 10.2 V G96
2018-09-15 08:48:29 C 03 05 14.23 -12 07 05.0 V G96
2018-09-15 08:55:57 C 03 05 12.42 -12 06 58.4 V G96
2018-09-15 09:03:23 C 03 05 10.65 -12 06 52.5 V G96
2018-09-15 10:45:39 C 03 04 46.17 -12 05 31.7 V I52
2018-09-15 10:50:09 C 03 04 45.09 -12 05 28.4 V I52
2018-09-15 10:51:15 C 03 04 44.84 -12 05 27.6 V I52
2018-09-15 10:55:45 C 03 04 43.73 -12 05 24.0 V I52
2018-09-16 00:55:35 C 03 01 25.40 -11 54 12.4 V 104
2018-09-16 01:02:24 C 03 01 23.78 -11 54 07.2 V 104
2018-09-16 01:09:12 C 03 01 22.16 -11 54 02.0 V 104
2018-09-16 01:23:32 C 03 01 18.67 -11 53 49.7 V L01
2018-09-16 01:28:01 C 03 01 17.59 -11 53 46.7 V L01
2018-09-16 01:54:45 C 03 01 11.18 -11 53 25.8 S 033
2018-09-16 01:58:37 C 03 01 10.24 -11 53 22.5 S 033
2018-09-16 02:02:30 C 03 01 09.33 -11 53 20.0 S 033
2018-09-16 09:07:33 C 02 59 28.57 -11 47 31.7 V I52
2018-09-16 09:08:39 C 02 59 28.31 -11 47 30.9 V I52
2018-09-16 09:09:45 C 02 59 28.00 -11 47 29.8 V I52
2018-09-16 09:10:51 C 02 59 27.75 -11 47 29.0 V I52
2018-09-16 09:13:39 C 02 59 26.75 -11 47 27.9 u H21
2018-09-16 09:19:43 C 02 59 25.29 -11 47 23.1 u H21
2018-09-16 09:24:32 C 02 59 24.13 -11 47 19.2 u H21
2018-09-17 00:50:17 C 02 55 43.52 -11 34 38.4 S 033
2018-09-17 00:53:29 C 02 55 42.75 -11 34 35.9 S 033
2018-09-17 00:56:44 C 02 55 41.97 -11 34 33.5 S 033
2018-09-17 01:47:30 C 02 55 29.66 -11 33 51.3 S 033
2018-09-17 01:50:45 C 02 55 28.89 -11 33 48.7 S 033
2018-09-17 01:53:57 C 02 55 28.09 -11 33 45.9 S 033
2018-09-17 01:57:14 C 02 55 27.31 -11 33 43.2 S 033
2018-09-17 02:00:28 C 02 55 26.54 -11 33 40.6 S 033
2018-09-17 02:03:41 C 02 55 25.75 -11 33 37.7 S 033
2018-09-17 08:25:35 C 02 53 54.73 -11 28 16.0 V I52
2018-09-17 08:28:56 C 02 53 53.88 -11 28 13.4 V I52
2018-09-17 08:31:50 C 02 53 53.14 -11 28 11.7 V I52
2018-09-18 01:03:08 C 02 49 54.58 -11 14 16.5 o K88
2018-09-18 01:08:41 C 02 49 53.25 -11 14 12.4 o K88
2018-09-18 08:35:22 C 02 48 05.91 -11 07 48.4 V I52
2018-09-18 08:39:27 C 02 48 04.98 -11 07 44.6 V I52
2018-09-18 08:40:03 C 02 48 04.75 -11 07 43.5 V I52
2018-09-21 09:29:19 C 02 30 25.67 -10 03 12.5 V I52
2018-09-21 09:29:55 C 02 30 25.56 -10 03 11.4 V I52
2018-09-21 09:33:31 C 02 30 24.69 -10 03 08.1 V I52
2018-09-21 09:34:06 C 02 30 24.52 -10 03 07.3 V I52
2018-09-29 07:38:17 C 01 45 22.94 -07 02 23.8 u H21
2018-09-29 07:53:02 C 01 45 19.54 -07 02 09.8 u H21
2018-09-29 08:08:27 C 01 45 16.01 -07 01 54.9 u H21
2018-10-01 13:05:22 C 01 33 31.24 -06 10 40.7 V 474
2018-10-01 13:08:46 C 01 33 30.50 -06 10 37.3 V 474
2018-10-01 13:12:10 C 01 33 29.74 -06 10 34.1 V 474