2018 RN4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3227225721 ± 3.97e-07
Semi-major axis (a)1.6045908612 AU ± 2.65e-08
Inclination (i)37.24573056° ± 2.56e-05
Long. of Asc. Node (Ω)175.51923027° ± 4.86e-06
Arg. of Perihelion (ω)238.27498251° ± 1.39e-04
Mean Anomaly (M)161.93586005° ± 8.63e-05
Mean Motion (n)0.4849152078°/day ± 1.20e-08
Perihelion dist (q)1.08675317 AU ± 6.38e-07
Aphelion dist (Q)2.12242855 AU ± 6.38e-07
Orbital Period2.03257449 yr ± 5.03e-08
Physical Parameters
H (abs. magnitude)22.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.256″
Uncertainty0
Orbit TypeAmor
MOID0.207248 AU
Observations Used57
Oppositions1
Arc Total2018-2020
First Observation Used2018-09-10
Last Observation Used2020-09-16
Observations (60)
Date Type RA Dec Mag Band Observatory
2018-09-10 06:51:56 C 00 39 30.40 +14 41 04.3 V G96
2018-09-10 06:59:22 C 00 39 30.92 +14 40 28.6 V G96
2018-09-10 07:06:48 C 00 39 31.42 +14 39 53.9 V G96
2018-09-10 07:14:13 C 00 39 31.96 +14 39 18.9 V G96
2018-09-10 10:02:48 C 00 39 43.39 +14 25 47.7 V V06
2018-09-10 10:07:09 C 00 39 43.71 +14 25 26.7 V V06
2018-09-10 10:11:28 C 00 39 43.99 +14 25 05.8 V V06
2018-09-10 10:15:47 C 00 39 44.29 +14 24 45.1 V V06
2018-09-10 22:58:46 C 00 40 44.07 +13 22 10.8 V L01
2018-09-10 23:05:29 C 00 40 44.53 +13 21 37.8 V L01
2018-09-11 06:23:34 C 00 41 18.92 +12 44 55.1 I52
2018-09-11 06:36:32 C 00 41 19.84 +12 43 49.0 I52
2018-09-11 06:43:19 C 00 41 20.30 +12 43 14.4 I52
2018-09-11 06:56:37 C 00 41 20.46 +12 42 03.9 u H21
2018-09-11 07:05:38 C 00 41 21.10 +12 41 18.0 u H21
2018-09-11 07:14:29 C 00 41 21.70 +12 40 32.9 u H21
2018-09-11 07:35:01 C 00 41 23.15 +12 38 48.0 u H21
2018-09-11 07:55:56 C 00 41 24.85 +12 37 01.2 U 734
2018-09-11 08:00:51 C 00 41 25.22 +12 36 35.1 U 734
2018-09-11 08:15:44 C 00 41 26.21 +12 35 19.3 U 734
2018-09-11 22:20:47 C 00 42 33.08 +11 21 52.7 S 033
2018-09-11 22:24:00 C 00 42 33.31 +11 21 35.6 S 033
2018-09-11 22:27:14 C 00 42 33.55 +11 21 18.6 S 033
2018-09-11 22:30:27 C 00 42 33.79 +11 21 01.5 S 033
2018-09-11 22:33:41 C 00 42 34.04 +11 20 44.5 S 033
2018-09-12 07:38:41 C 00 43 16.61 +10 32 10.8 I52
2018-09-12 07:42:17 C 00 43 16.85 +10 31 51.3 I52
2018-09-12 07:45:52 C 00 43 17.12 +10 31 32.1 I52
2018-09-12 07:49:28 C 00 43 17.37 +10 31 12.4 I52
2018-09-15 08:16:00 C 00 49 09.39 +03 23 10.4 V I52
2018-09-15 08:20:29 C 00 49 09.73 +03 22 42.3 V I52
2018-09-15 08:26:45 C 00 49 10.20 +03 22 02.2 V I52
2018-09-15 08:28:33 C 00 49 10.27 +03 21 54.9 V I52
2018-09-17 11:26:41 C 00 53 29.55 -02 19 22.3 V I52
2018-09-17 11:28:05 C 00 53 29.64 -02 19 32.2 V I52
2018-09-17 11:29:29 C 00 53 29.76 -02 19 41.7 V I52
2018-09-17 11:30:53 C 00 53 29.90 -02 19 52.1 V I52
2018-09-21 06:45:19 C 01 01 50.28 -13 33 40.7 V I52
2018-09-21 06:46:41 C 01 01 50.38 -13 33 50.9 V I52
2018-09-21 06:48:05 C 01 01 50.49 -13 34 01.9 V I52
2018-09-21 06:49:29 C 01 01 50.61 -13 34 12.7 V I52
2018-10-02 07:50:14 C 01 30 30.28 -45 02 13.2 u 807
2018-10-02 08:00:55 C 01 30 31.47 -45 03 14.4 u 807
2018-10-02 08:11:14 C 01 30 32.63 -45 04 13.5 u 807
2018-10-15 06:18:42 C 02 14 33.45 -65 29 26.3 U 807
2018-10-15 06:44:34 C 02 14 37.21 -65 30 29.0 U 807
2018-10-15 07:10:08 C 02 14 40.92 -65 31 30.5 U 807
2020-09-15 09:18:20 C 22 00 25.609 +10 37 42.73 V F52
2020-09-15 09:42:53 C 22 00 24.743 +10 35 41.86 V F52
2020-09-15 10:07:32 C 22 00 23.852 +10 33 40.20 V F52