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
2018-11-01 17:37:09 C 03 04 30.98 +28 52 45.2 q D29
2018-11-01 18:00:04 C 03 04 34.44 +28 53 32.1 q D29
2018-11-02 10:03:07 C 03 07 32.97 +29 28 54.1 V I52
2018-11-02 10:04:21 C 03 07 33.18 +29 28 56.7 V I52
2018-11-02 10:05:45 C 03 07 33.41 +29 28 59.8 V I52
2018-11-02 10:11:09 C 03 07 34.36 +29 29 11.7 V I52
2018-11-03 05:57:08 C 03 11 54.31 +30 17 47.5 V 703
2018-11-03 06:04:45 C 03 11 55.86 +30 18 08.1 V 703
2018-11-03 06:12:23 C 03 11 57.40 +30 18 28.6 V 703
2018-11-03 06:20:00 C 03 11 58.94 +30 18 49.0 V 703
2018-11-03 17:59:36 C 03 14 42.38 +30 50 24.8 q D29
2018-11-03 18:21:14 C 03 14 47.25 +30 51 23.9 q D29
2018-11-03 18:42:52 C 03 14 52.15 +30 52 23.0 q D29
2018-11-03 22:02:53 C 03 15 48.22 +31 01 34.0 U 089
2018-11-03 22:06:15 C 03 15 49.00 +31 01 43.6 U 089
2018-11-03 22:43:22 C 03 15 57.72 +31 03 30.6 U 089
2018-11-03 22:46:43 C 03 15 58.54 +31 03 40.3 U 089
2018-11-03 22:50:05 C 03 15 59.35 +31 03 50.2 U 089
2018-11-03 22:53:27 C 03 16 00.13 +31 03 59.7 U 089
2018-11-03 22:56:49 C 03 16 00.93 +31 04 09.7 U 089
2018-11-04 11:48:37 C 03 19 30.13 +31 43 11.5 V I52
2018-11-04 11:49:36 C 03 19 30.42 +31 43 14.5 V I52
2018-11-04 11:54:30 C 03 19 31.77 +31 43 29.0 V I52
2018-11-04 11:54:46 C 03 19 31.84 +31 43 29.7 V I52
2018-11-05 00:08:22 C 03 23 23.22 +32 23 46.0 o C41
2018-11-05 00:11:51 C 03 23 24.28 +32 23 57.3 o C41
2018-11-05 00:15:21 C 03 23 25.31 +32 24 08.8 o C41
2018-11-05 09:52:21 C 03 26 51.991 +32 59 26.92 U F52
2018-11-05 10:09:46 C 03 26 57.574 +33 00 32.53 U F52
2018-11-05 10:27:28 C 03 27 03.245 +33 01 38.81 U F52
2018-11-05 12:34:31 C 03 27 44.52 +33 09 27.3 V T05
2018-11-05 12:35:50 C 03 27 44.96 +33 09 32.0 V T05
2018-11-05 13:00:29 C 03 27 53.17 +33 11 01.4 V T05
2018-11-05 13:01:09 C 03 27 53.41 +33 11 03.7 V T05
2018-11-05 13:05:30 C 03 27 54.86 +33 11 19.1 V T05
2018-11-06 08:46:47 C 03 36 06.64 +34 30 57.6 V 703
2018-11-06 08:55:48 C 03 36 10.35 +34 31 36.2 V 703
2018-11-06 09:04:41 C 03 36 14.08 +34 32 14.4 V 703
2018-11-06 09:13:28 C 03 36 17.61 +34 32 53.0 V 703
2018-11-07 08:09:16 C 03 48 23.33 +36 22 33.2 V G96
2018-11-07 08:17:45 C 03 48 28.00 +36 23 17.5 V G96
2018-11-07 08:26:16 C 03 48 32.68 +36 24 01.7 V G96
2018-11-07 13:36:01 C 03 51 37.790 +36 51 49.13 V T12
2018-11-07 13:36:44 C 03 51 38.212 +36 51 52.87 V T12
2018-11-07 22:05:09 C 03 57 37.00 +37 37 59.8 15.7 V Z43
2018-11-07 22:22:59 C 03 57 49.22 +37 39 46.7 15.7 V Z43
2018-11-07 22:28:19 C 03 57 47.34 +37 40 38.8 U 089
2018-11-07 22:31:40 C 03 57 49.61 +37 40 58.2 U 089
2018-11-07 22:40:28 C 03 58 01.16 +37 41 32.1 15.9 V Z43
2018-11-07 22:51:34 C 03 58 08.77 +37 42 38.5 16.0 V Z43
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)