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
2018-10-21 18:38:48 C 02 39 48.17 +23 29 19.7 q A17
2018-10-21 18:49:48 C 02 39 48.75 +23 29 28.6 q A17
2018-10-22 03:23:46 C 02 40 15.95 +23 36 08.9 q W25
2018-10-22 03:42:14 C 02 40 16.78 +23 36 23.6 q W25
2018-10-22 04:55:51 C 02 40 20.16 +23 37 22.3 u H21
2018-10-22 05:04:13 C 02 40 20.51 +23 37 28.9 u H21
2018-10-22 05:09:39 C 02 40 20.74 +23 37 33.0 u H21
2018-10-23 01:11:00 C 02 41 26.64 +23 53 11.8 V 204
2018-10-23 01:18:34 C 02 41 26.98 +23 53 17.9 V 204
2018-10-23 01:28:51 C 02 41 27.48 +23 53 25.9 V 204
2018-10-23 04:40:48 C 02 41 41.11 +23 56 06.9 u H21
2018-10-23 04:43:56 C 02 41 41.27 +23 56 09.6 u H21
2018-10-23 04:50:13 C 02 41 41.54 +23 56 14.9 u H21
2018-10-28 07:37:30 C 02 50 49.68 +26 00 30.5 V I52
2018-10-28 07:40:09 C 02 50 49.88 +26 00 33.8 V I52
2018-10-28 07:42:23 C 02 50 50.07 +26 00 37.0 V I52
2018-10-28 07:46:36 C 02 50 50.37 +26 00 42.2 V I52
2018-10-28 22:11:49 C 02 52 18.10 +26 19 00.7 V Z80
2018-10-28 22:16:49 C 02 52 18.55 +26 19 07.2 V Z80
2018-10-28 22:26:48 C 02 52 19.39 +26 19 21.2 V Z80
2018-10-29 06:43:18 C 02 53 11.30 +26 31 05.6 o 691
2018-10-29 06:46:03 C 02 53 11.50 +26 31 08.8 V I52
2018-10-29 06:48:34 C 02 53 11.71 +26 31 12.1 V I52
2018-10-29 06:49:15 C 02 53 11.81 +26 31 14.4 o 691
2018-10-29 06:50:17 C 02 53 11.88 +26 31 14.6 V I52
2018-10-29 06:52:46 C 02 53 12.11 +26 31 18.0 V I52
2018-10-29 06:55:11 C 02 53 12.33 +26 31 22.7 o 691
2018-10-29 18:56:22 C 02 54 27.46 +26 48 20.5 r P93
2018-10-29 18:57:42 C 02 54 27.65 +26 48 22.6 r P93
2018-10-29 19:00:21 C 02 54 27.99 +26 48 25.8 r P93
2018-10-31 11:14:53 C 02 59 37.86 +27 53 40.5 V 703
2018-10-31 11:22:51 C 02 59 38.93 +27 53 54.1 V 703
2018-10-31 11:30:50 C 02 59 39.91 +27 54 06.7 V 703
2018-10-31 11:38:48 C 02 59 41.00 +27 54 20.6 V 703
2018-10-31 18:07:23 C 03 00 47.51 +28 05 44.2 t L04
2018-10-31 18:11:30 C 03 00 40.21 +28 06 20.8 r P93
2018-10-31 18:13:05 C 03 00 48.36 +28 05 55.2 t L04
2018-10-31 18:16:06 C 03 00 48.79 +28 06 01.2 t L04
2018-10-31 18:16:09 C 03 00 40.82 +28 06 29.0 r P93
2018-10-31 18:20:47 C 03 00 41.42 +28 06 37.2 r P93
2018-10-31 18:25:27 C 03 00 42.05 +28 06 45.2 r P93
2018-11-01 04:56:53 C 03 02 28.54 +28 26 53.4 V I52
2018-11-01 05:11:03 C 03 02 30.57 +28 27 22.7 V I52
2018-11-01 05:16:46 C 03 02 31.38 +28 27 34.6 V I52
2018-11-01 05:20:31 C 03 02 31.90 +28 27 42.2 V I52
2018-11-01 11:49:49 C 03 03 31.07 +28 41 06.0 U T05
2018-11-01 12:15:10 C 03 03 34.64 +28 41 56.2 U T05
2018-11-01 12:20:38 C 03 03 35.44 +28 42 07.0 U T05
2018-11-01 12:41:57 C 03 03 38.49 +28 42 48.9 U T05
2018-11-01 17:14:15 C 03 04 27.55 +28 51 58.1 q D29
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)