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
2018-11-11 00:33:00 C 05 34 36.86 +46 34 26.8 u B18
2018-11-11 00:33:35 C 05 34 38.19 +46 34 31.0 u B18
2018-11-11 00:34:12 C 05 34 39.54 +46 34 35.4 u B18
2018-11-11 00:34:50 C 05 34 40.85 +46 34 39.9 u B18
2018-11-11 20:02:08 C 06 26 25.68 +48 30 31.3 V Z80
2018-11-11 20:03:58 C 06 26 31.35 +48 30 40.6 V Z80
2018-11-11 20:05:47 C 06 26 37.00 +48 30 49.0 V Z80
2018-11-11 20:07:37 C 06 26 42.59 +48 30 58.0 V Z80
2018-11-11 20:09:27 C 06 26 48.17 +48 31 07.1 V Z80
2018-11-11 20:11:18 C 06 26 53.82 +48 31 16.0 V Z80
2018-11-11 20:12:55 C 06 26 58.80 +48 31 23.2 V Z80
2018-11-11 20:15:10 C 06 27 05.70 +48 31 34.5 V Z80
2018-11-11 20:16:48 C 06 27 10.72 +48 31 42.5 V Z80
2018-11-11 20:18:48 C 06 27 16.87 +48 31 52.0 V Z80
2018-11-12 07:38:53 C 07 04 33.00 +49 03 59.7 V I52
2018-11-12 07:39:04 C 07 04 33.63 +49 03 59.9 V I52
2018-11-12 07:39:15 C 07 04 34.26 +49 04 00.2 V I52
2018-11-12 07:39:25 C 07 04 34.88 +49 04 00.4 V I52
2018-11-12 13:17:59 C 07 24 37.06 +49 02 55.8 V T08
2018-11-12 13:30:07 C 07 25 20.18 +49 02 36.1 V T08
2018-11-12 13:41:31 C 07 26 00.60 +49 02 15.9 V T08
2018-11-13 08:50:34 C 08 39 27.97 +46 48 48.3 V 703
2018-11-13 09:06:27 C 08 40 27.56 +46 45 50.5 V 703
2018-11-13 09:14:23 C 08 40 57.30 +46 44 19.9 V 703
2018-11-13 21:55:05 C 09 27 34.62 +43 28 43.0 q 168
2018-11-13 22:10:06 C 09 28 26.60 +43 24 17.0 q 168
2018-11-13 22:26:15 C 09 29 22.50 +43 19 29.5 q 168
2018-11-13 22:38:15 C 09 30 03.60 +43 15 55.0 q 168
2018-11-13 22:46:15 C 09 30 30.96 +43 13 30.2 q 168
2018-11-13 23:08:15 C 09 31 46.06 +43 06 51.7 q 168
2018-11-13 23:17:15 C 09 32 16.63 +43 04 09.1 q 168
2018-11-13 23:28:15 C 09 32 54.10 +43 00 44.8 q 168
2018-11-13 23:50:15 C 09 34 08.59 +42 53 59.1 q 168
2018-11-14 00:13:15 C 09 35 26.07 +42 46 49.0 q 168
2018-11-14 00:29:15 C 09 36 19.57 +42 41 49.4 q 168
2018-11-14 04:09:19 C 09 48 37.32 +41 30 23.8 V 204
2018-11-14 04:10:30 C 09 48 41.10 +41 30 00.0 V 204
2018-11-14 04:11:40 C 09 48 44.88 +41 29 36.1 V 204
2018-11-14 04:12:52 C 09 48 48.66 +41 29 12.1 V 204
2018-11-14 04:14:03 C 09 48 52.43 +41 28 48.3 V 204
2018-11-17 11:42:25 C 12 18 48.71 +14 06 03.0 V I52
2018-11-17 11:42:47 C 12 18 49.03 +14 05 57.7 V I52
2018-11-17 11:43:08 C 12 18 49.32 +14 05 53.2 V I52
2018-11-17 11:43:28 C 12 18 49.67 +14 05 46.9 V I52
2019-01-15 14:46:13 C 15 24 29.249 -21 25 07.98 V T12
2019-05-01 09:10:26 C 16 35 49.45 -23 39 00.9 o 291
2019-05-01 10:01:13 C 16 35 44.82 -23 38 48.5 o 291
2019-06-05 08:44:19 C 15 27 27.871 -19 28 36.25 V T12
2019-06-05 08:55:07 C 15 27 27.258 -19 28 33.42 V T12
2020-09-13 10:43:55 C 00 24 38.001 +07 15 45.21 U F51
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)