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
2018-09-07 11:08:38 C 23 18 02.84 +42 10 41.8 U T05
2018-09-07 11:11:27 C 23 18 04.18 +42 10 40.8 U T05
2018-09-07 11:24:49 C 23 18 10.90 +42 10 34.9 U T05
2018-09-07 11:34:10 C 23 18 15.58 +42 10 30.0 U T05
2018-09-07 21:47:19 C 23 24 17.90 +42 04 34.4 V J04
2018-09-07 21:47:55 C 23 24 18.22 +42 04 34.2 V J04
2018-09-07 21:48:30 C 23 24 18.56 +42 04 33.8 V J04
2018-09-08 00:35:40 C 23 25 49.21 +42 02 38.3 V L01
2018-09-08 00:37:50 C 23 25 50.45 +42 02 36.6 V L01
2018-09-08 02:32:23 C 23 27 01.40 +42 01 57.7 U G40
2018-09-08 02:40:09 C 23 27 05.88 +42 01 51.6 U G40
2018-09-08 02:48:25 C 23 27 10.74 +42 01 44.7 U G40
2018-09-08 06:56:21 C 23 29 55.79 +41 58 31.0 V I52
2018-09-08 07:01:06 C 23 29 58.69 +41 58 27.6 V I52
2018-09-08 07:05:45 C 23 30 01.53 +41 58 24.2 V I52
2018-09-08 07:08:13 C 23 30 03.03 +41 58 22.3 V I52
2018-09-08 18:50:17 C 23 38 17.24 +41 45 37.8 S 151
2018-09-08 18:55:16 C 23 38 20.88 +41 45 31.9 S 151
2018-09-08 18:57:46 C 23 38 22.63 +41 45 28.5 S 151
2018-09-08 19:11:30 C 23 38 33.06 +41 45 25.4 V 104
2018-09-08 19:16:02 C 23 38 36.35 +41 45 21.2 V 104
2018-09-08 19:20:34 C 23 38 39.61 +41 45 17.4 V 104
2018-09-08 20:01:05 C 23 39 08.77 +41 44 35.2 V K38
2018-09-08 20:15:52 C 23 39 19.45 +41 44 21.2 V K38
2018-09-08 20:27:06 C 23 39 27.62 +41 44 16.7 q 160
2018-09-08 20:30:28 C 23 39 30.00 +41 44 07.5 V K38
2018-09-08 20:31:26 C 23 39 30.75 +41 44 12.5 q 160
2018-09-08 20:35:45 C 23 39 33.86 +41 44 08.6 q 160
2018-09-08 20:43:47 C 23 39 39.66 +41 44 00.5 q 108
2018-09-08 20:45:05 C 23 39 40.55 +41 43 52.8 V K38
2018-09-08 20:55:31 C 23 39 48.07 +41 43 49.4 q 108
2018-09-08 21:04:56 C 23 39 53.82 +41 43 31.0 V C47
2018-09-08 21:10:05 C 23 39 57.51 +41 43 25.6 V C47
2018-09-08 21:14:12 C 23 40 01.53 +41 43 28.8 q 108
2018-09-08 21:15:26 C 23 40 01.36 +41 43 19.8 V C47
2018-09-08 21:20:46 C 23 40 05.22 +41 43 14.1 V C47
2018-09-08 21:23:45 C 23 40 07.90 +41 43 16.4 V 595
2018-09-08 21:25:55 C 23 40 09.94 +41 43 18.2 q 108
2018-09-08 21:26:42 C 23 40 09.50 +41 43 07.7 V C47
2018-09-08 21:29:57 C 23 40 12.37 +41 43 10.0 V 595
2018-09-08 21:36:09 C 23 40 16.83 +41 43 03.3 V 595
2018-09-08 21:50:29 C 23 40 27.53 +41 42 35.9 q A17
2018-09-08 21:58:55 C 23 40 33.60 +41 42 26.7 q A17
2018-09-08 22:01:56 C 23 40 36.21 +41 42 28.6 q K30
2018-09-08 22:07:19 C 23 40 39.68 +41 42 17.3 q A17
2018-09-08 22:08:30 C 23 40 40.95 +41 42 21.1 q K30
2018-09-08 22:15:15 C 23 40 45.86 +41 42 13.6 q K30
2018-09-08 22:15:44 C 23 40 45.77 +41 42 07.6 q A17
2018-09-09 00:16:50 C 23 42 13.99 +41 39 50.6 q K63
2018-09-09 00:18:44 C 23 42 15.40 +41 39 48.0 q K63
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)