2018 UQ1

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4916250537 ± 4.11e-09
Semi-major axis (a)1.6143920429 AU ± 1.28e-09
Inclination (i)1.61560793° ± 6.73e-07
Long. of Asc. Node (Ω)254.28718813° ± 1.71e-05
Arg. of Perihelion (ω)220.06992137° ± 1.64e-05
Mean Anomaly (M)131.84547388° ± 8.77e-07
Mean Motion (n)0.4805059432°/day ± 5.69e-10
Perihelion dist (q)0.82071647 AU ± 6.67e-09
Aphelion dist (Q)2.40806762 AU ± 6.91e-09
Orbital Period2.05122600 yr ± 2.43e-09
Physical Parameters
H (abs. magnitude)21.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.240″
Uncertainty0
Orbit TypeApollo
MOID0.010076 AU
Observations Used282
Radar Obs Used4
Oppositions3
Arc Total2018-2023
First Observation Used2018-10-20
Last Observation Used2023-04-19
Observations (311)
Date Type RA Dec Mag Band Observatory
2018-11-07 23:04:32 C 03 58 17.67 +37 43 56.1 15.9 V Z43
2018-11-08 20:32:51 C 04 16 16.24 +39 59 14.0 q 168
2018-11-08 21:20:05 C 04 17 00.54 +40 04 37.1 q 168
2018-11-08 22:07:39 C 04 17 45.69 +40 10 01.4 q 168
2018-11-08 22:46:31 C 04 18 23.01 +40 14 25.0 q 168
2018-11-08 23:23:48 C 04 18 59.35 +40 18 37.7 q 168
2018-11-09 00:30:28 C 04 20 05.44 +40 26 07.4 q 168
2018-11-09 16:14:10 C 04 38 44.89 +42 20 33.3 q 168
2018-11-09 16:44:10 C 04 39 24.17 +42 24 32.1 q 168
2018-11-09 18:55:10 C 04 42 17.48 +42 41 54.7 q 168
2018-11-09 21:10:30 C 04 45 20.84 +42 59 40.2 q 168
2018-11-09 22:54:40 C 04 47 52.28 +43 13 52.6 U 089
2018-11-09 22:58:02 C 04 47 57.04 +43 14 19.1 U 089
2018-11-09 23:04:47 C 04 48 06.51 +43 15 12.0 U 089
2018-11-09 23:08:09 C 04 48 11.26 +43 15 38.3 U 089
2018-11-09 23:11:32 C 04 48 16.03 +43 16 05.1 U 089
2018-11-09 23:14:55 C 04 48 20.80 +43 16 31.7 U 089
2018-11-09 23:18:18 C 04 48 25.57 +43 16 58.2 U 089
2018-11-10 01:48:50 C 04 52 01.02 +43 35 09.5 q 168
2018-11-10 12:02:43 C 05 09 21.72 +44 59 36.7 V T05
2018-11-10 12:14:46 C 05 09 42.57 +45 01 12.4 V T05
2018-11-10 12:28:47 C 05 10 06.91 +45 03 03.3 V T05
2018-11-10 12:31:14 C 05 10 11.20 +45 03 22.8 V T05
2018-11-10 12:44:26 C 05 10 34.22 +45 05 06.3 V T05
2018-11-10 12:46:39 C 05 10 38.08 +45 05 23.5 V T05
2018-11-11 00:07:37 C 05 33 42.09 +46 31 22.6 u B18
2018-11-11 00:08:15 C 05 33 43.40 +46 31 27.1 u B18
2018-11-11 00:08:52 C 05 33 44.71 +46 31 31.4 u B18
2018-11-11 00:09:27 C 05 33 46.04 +46 31 36.0 u B18
2018-11-11 00:10:04 C 05 33 47.36 +46 31 40.6 u B18
2018-11-11 00:10:41 C 05 33 48.68 +46 31 45.1 u B18
2018-11-11 00:11:19 C 05 33 50.01 +46 31 49.4 u B18
2018-11-11 00:11:55 C 05 33 51.31 +46 31 53.8 u B18
2018-11-11 00:12:31 C 05 33 52.66 +46 31 58.5 u B18
2018-11-11 00:13:08 C 05 33 53.95 +46 32 02.7 u B18
2018-11-11 00:13:45 C 05 33 55.29 +46 32 07.3 u B18
2018-11-11 00:14:22 C 05 33 56.60 +46 32 11.7 u B18
2018-11-11 00:14:59 C 05 33 57.92 +46 32 16.2 u B18
2018-11-11 00:16:12 C 05 34 00.56 +46 32 25.1 u B18
2018-11-11 00:26:15 C 05 34 22.26 +46 33 37.9 u B18
2018-11-11 00:26:52 C 05 34 23.59 +46 33 42.4 u B18
2018-11-11 00:27:29 C 05 34 24.91 +46 33 46.7 u B18
2018-11-11 00:28:05 C 05 34 26.24 +46 33 51.4 u B18
2018-11-11 00:28:41 C 05 34 27.57 +46 33 55.6 u B18
2018-11-11 00:29:19 C 05 34 28.89 +46 34 00.1 u B18
2018-11-11 00:29:56 C 05 34 30.23 +46 34 04.5 u B18
2018-11-11 00:30:33 C 05 34 31.55 +46 34 08.9 u B18
2018-11-11 00:31:08 C 05 34 32.87 +46 34 13.4 u B18
2018-11-11 00:31:45 C 05 34 34.22 +46 34 17.8 u B18
2018-11-11 00:32:23 C 05 34 35.55 +46 34 22.2 u B18
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2023-03-11 20:40:00 557137.407 1 Hz 8560 -14 -14
2023-03-11 22:30:00 47289910.21 2 us 8560 -14 -14
2023-03-11 23:20:00 540247.964 0.5 Hz 8560 -14 -14
2023-03-12 21:00:00 42287074.1 0.5 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)