2018 RQ2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4074397224 ± 2.60e-07
Semi-major axis (a)1.5251144296 AU ± 5.86e-07
Inclination (i)20.13432347° ± 1.08e-05
Long. of Asc. Node (Ω)172.72757825° ± 1.16e-06
Arg. of Perihelion (ω)232.51746008° ± 1.62e-05
Mean Anomaly (M)271.60587559° ± 7.78e-04
Mean Motion (n)0.5233095147°/day ± 3.02e-07
Perihelion dist (q)0.90372223 AU ± 5.27e-07
Aphelion dist (Q)2.14650663 AU ± 9.16e-07
Orbital Period1.88344805 yr ± 1.09e-06
Physical Parameters
H (abs. magnitude)22.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.274″
Uncertainty0
Orbit TypeApollo
MOID0.009719 AU
Observations Used134
Radar Obs Used2
Oppositions1
Arc Total2018-2019
First Observation Used2018-09-07
Last Observation Used2019-02-06
Observations (138)
Date Type RA Dec Mag Band Observatory
2018-09-09 00:20:51 C 23 42 16.96 +41 39 45.3 q K63
2018-09-09 00:24:12 C 23 42 19.41 +41 39 40.8 q K63
2018-09-09 01:22:25 C 23 43 02.79 +41 38 12.9 V 204
2018-09-09 01:27:09 C 23 43 06.34 +41 38 06.1 V 204
2018-09-09 01:33:35 C 23 43 11.12 +41 37 56.4 V 204
2018-09-09 01:36:40 C 23 43 13.44 +41 37 51.9 V 204
2018-09-09 02:10:32 C 23 43 53.55 +41 37 00.8 V W34
2018-09-09 02:27:10 C 23 44 06.22 +41 36 42.2 V W34
2018-09-09 02:44:57 C 23 44 19.86 +41 36 22.5 V W34
2018-09-09 08:03:17 C 23 48 31.16 +41 28 53.2 V I52
2018-09-09 08:08:08 C 23 48 34.95 +41 28 44.9 V I52
2018-09-09 08:08:19 C 23 48 35.10 +41 28 44.7 V I52
2018-09-09 08:08:31 C 23 48 35.24 +41 28 44.3 V I52
2018-09-09 08:22:03 C 23 48 45.96 +41 28 21.8 V I52
2018-09-09 08:23:09 C 23 48 46.82 +41 28 19.9 V I52
2018-09-09 08:24:16 C 23 48 47.71 +41 28 17.9 V I52
2018-09-09 08:28:07 C 23 48 50.75 +41 28 11.6 V I52
2018-09-09 19:32:58 C 23 58 55.60 +41 05 32.3 V K83
2018-09-09 19:36:01 C 23 58 58.46 +41 05 26.9 V K83
2018-09-09 19:42:47 C 23 59 03.48 +41 05 00.9 V K74
2018-09-09 19:52:01 C 23 59 12.09 +41 04 42.7 V K74
2018-09-09 19:55:26 C 23 59 15.25 +41 04 35.6 V K74
2018-09-09 20:23:32 C 23 59 42.35 +41 03 54.4 V K83
2018-09-09 20:25:35 C 23 59 44.37 +41 03 50.1 V K83
2018-09-09 21:12:54 C 00 00 28.53 +41 01 45.4 V J69
2018-09-09 21:48:25 C 00 01 01.58 +41 00 28.9 V Z80
2018-09-09 21:48:37 C 00 01 01.98 +41 00 29.4 V J69
2018-09-09 21:58:11 C 00 01 10.74 +41 00 08.5 V Z80
2018-09-09 22:02:15 C 00 01 14.83 +41 00 00.3 V J69
2018-09-09 22:12:42 C 00 01 24.44 +40 59 36.9 V Z80
2018-09-11 05:32:56 C 00 37 37.55 +39 06 42.2 U I52
2018-09-11 05:33:06 C 00 37 37.78 +39 06 41.3 U I52
2018-09-11 05:36:44 C 00 37 42.55 +39 06 23.5 U I52
2018-09-11 05:36:55 C 00 37 42.79 +39 06 22.5 U I52
2018-09-11 07:39:43 C 00 40 24.66 +38 55 51.6 703
2018-09-11 07:47:20 C 00 40 34.78 +38 55 10.4 703
2018-09-11 07:54:59 C 00 40 44.94 +38 54 28.7 703
2018-09-11 08:02:42 C 00 40 55.31 +38 53 45.8 703
2018-09-11 11:45:39 C 00 46 09.78 +38 32 49.6 U T05
2018-09-11 11:57:02 C 00 46 25.43 +38 31 40.0 U T05
2018-09-11 12:16:49 C 00 46 52.74 +38 29 37.4 U T05
2018-09-11 12:22:47 C 00 47 01.03 +38 29 00.0 U T05
2018-09-11 21:22:08 C 01 00 58.01 +37 24 03.2 q 113
2018-09-11 21:22:50 C 01 00 59.12 +37 23 58.1 q 113
2018-09-11 21:23:33 C 01 01 00.22 +37 23 53.2 q 113
2018-09-11 21:24:15 C 01 01 01.35 +37 23 47.6 q 113
2018-09-11 22:54:03 C 01 03 22.81 +37 12 22.7 q K61
2018-09-11 22:55:00 C 01 03 24.27 +37 12 15.8 q K61
2018-09-11 22:55:51 C 01 03 25.62 +37 12 09.3 q K61
2018-09-12 01:18:12 C 01 07 20.97 +36 53 57.4 q G40
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2018-09-14 06:52:00 77171.193 0.2 Hz 2380 -1 -1
2018-09-14 07:19:00 26385986.47 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)