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
2018-09-12 01:37:32 C 01 07 51.90 +36 51 15.6 q G40
2018-09-12 01:57:51 C 01 08 24.49 +36 48 23.5 q G40
2018-09-12 05:14:15 C 01 14 08.67 +36 17 07.2 r 718
2018-09-12 05:15:29 C 01 14 10.86 +36 16 55.8 r 718
2018-09-12 05:16:43 C 01 14 12.90 +36 16 44.5 r 718
2018-09-12 05:17:57 C 01 14 15.00 +36 16 33.3 r 718
2018-09-12 08:56:23 C 01 20 28.85 +35 42 19.3 o I52
2018-09-12 08:56:38 C 01 20 29.30 +35 42 16.7 o I52
2018-09-12 08:56:55 C 01 20 29.75 +35 42 14.0 o I52
2018-09-12 08:57:10 C 01 20 30.22 +35 42 11.2 o I52
2018-09-12 09:10:54 C 01 20 55.72 +35 39 46.6 U I41
2018-09-12 09:11:24 C 01 20 56.58 +35 39 41.3 U I41
2018-09-12 20:44:59 C 01 43 03.32 +33 20 25.5 V G34
2018-09-12 20:46:46 C 01 43 06.86 +33 20 02.1 V G34
2018-09-12 20:48:51 C 01 43 11.04 +33 19 33.5 V G34
2018-09-12 20:50:37 C 01 43 14.49 +33 19 11.6 V G34
2018-09-12 22:58:35 C 01 47 30.16 +32 49 59.2 V Z80
2018-09-12 23:02:58 C 01 47 38.94 +32 48 57.7 V Z80
2018-09-12 23:07:22 C 01 47 47.74 +32 47 56.6 V Z80
2018-09-12 23:11:47 C 01 47 56.61 +32 46 55.2 V Z80
2018-09-12 23:16:09 C 01 48 05.28 +32 45 54.4 V Z80
2018-09-14 06:50:15 C 02 59 26.36 +22 17 54.9 r 718
2018-09-14 06:51:29 C 02 59 29.35 +22 17 23.0 r 718
2018-09-14 06:52:43 C 02 59 32.30 +22 16 51.9 r 718
2018-09-14 06:53:56 C 02 59 35.28 +22 16 21.0 r 718
2018-09-14 06:55:09 C 02 59 38.14 +22 15 48.6 r 718
2018-09-14 06:56:23 C 02 59 41.11 +22 15 18.3 r 718
2018-09-14 06:57:37 C 02 59 44.00 +22 14 46.7 r 718
2018-09-15 11:41:22 C 04 09 18.09 +08 02 20.2 V I52
2018-09-15 11:45:48 C 04 09 28.18 +07 59 59.0 V I52
2018-09-15 11:45:59 C 04 09 28.60 +07 59 53.4 V I52
2018-09-15 11:46:10 C 04 09 29.01 +07 59 47.5 V I52
2018-09-16 10:51:18 C 05 00 54.64 -03 48 40.3 U I41
2018-09-16 10:51:48 C 05 00 55.61 -03 48 55.9 U I41
2018-09-16 11:30:11 C 05 02 11.56 -04 07 02.2 U I41
2018-09-16 11:30:41 C 05 02 12.56 -04 07 17.3 U I41
2019-02-06 12:17:10 C 10 51 07.705 -20 41 42.06 V T12
2019-02-06 12:29:19 C 10 51 06.919 -20 41 22.76 V T12
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)