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
2020-09-13 11:01:09 C 00 24 37.047 +07 15 41.41 U F51
2020-09-13 11:18:27 C 00 24 36.087 +07 15 38.03 U F51
2020-09-13 11:35:46 C 00 24 35.153 +07 15 34.15 U F51
2020-10-05 09:06:46 C 23 44 34.13 +03 40 39.9 V I52
2020-10-05 09:14:37 C 23 44 33.39 +03 40 35.5 V I52
2020-10-21 07:54:13 C 23 06 56.683 -00 30 10.51 U F51
2020-10-21 08:11:32 C 23 06 54.940 -00 30 21.89 U F51
2020-10-21 08:46:21 C 23 06 51.484 -00 30 45.67 U F51
2020-11-13 03:02:58 C 22 28 22.52 -05 44 21.4 o 291
2020-11-13 03:15:26 C 22 28 21.86 -05 44 26.9 o 291
2020-11-13 03:27:52 C 22 28 21.27 -05 44 32.5 o 291
2020-11-14 02:04:59 C 22 27 21.93 -05 54 38.6 o 691
2020-11-14 02:40:36 C 22 27 20.16 -05 54 54.6 o 691
2020-11-14 03:16:12 C 22 27 18.39 -05 55 10.2 o 691
2020-11-15 04:13:24 C 22 26 15.27 -06 06 02.5 o 691
2020-11-15 05:32:43 C 22 26 11.64 -06 06 36.4 o 691
2020-11-16 03:41:46 C 22 25 19.13 -06 16 02.7 o 691
2020-11-16 04:47:00 C 22 25 16.27 -06 16 29.6 o 691
2021-04-19 10:13:15 C 15 39 20.02 -22 57 23.5 o 691
2021-04-19 10:37:34 C 15 39 17.22 -22 57 10.8 o 691
2021-05-05 10:53:32 C 14 59 53.53 -19 34 39.9 V 474
2021-05-05 11:03:40 C 14 59 52.62 -19 34 35.0 V 474
2021-05-05 11:08:44 C 14 59 52.15 -19 34 31.9 V 474
2021-05-06 06:30:10 C 14 58 10.38 -19 24 56.9 o 291
2021-05-06 06:36:37 C 14 58 09.80 -19 24 53.7 o 291
2021-05-06 06:43:05 C 14 58 09.21 -19 24 50.2 o 291
2023-03-17 00:04:56 C 04 42 03.403 -60 57 17.93 V W68
2023-03-17 00:09:31 C 04 42 21.679 -60 58 32.77 V W68
2023-03-17 00:17:19 C 04 42 52.546 -61 00 38.99 V W68
2023-03-17 00:32:23 C 04 43 52.838 -61 04 42.78 V W68
2023-03-22 22:34:02 C 11 26 15.468 -38 31 28.92 V M22
2023-03-22 23:06:51 C 11 26 33.410 -38 25 18.23 V M22
2023-03-22 23:11:00 C 11 26 35.671 -38 24 31.57 V M22
2023-03-24 02:42:58 C 11 40 32.136 -33 50 59.86 V W68
2023-03-24 02:47:24 C 11 40 33.754 -33 50 21.48 V W68
2023-03-24 02:51:20 C 11 40 35.191 -33 49 47.28 V W68
2023-03-24 03:03:20 C 11 40 39.557 -33 48 03.60 V W68
2023-03-28 03:17:00 C 12 05 14.988 -23 56 43.26 V W68
2023-03-28 03:21:37 C 12 05 15.576 -23 56 23.89 V W68
2023-03-28 03:29:43 C 12 05 16.630 -23 55 49.94 V W68
2023-03-28 03:53:04 C 12 05 19.572 -23 54 11.95 V W68
2023-04-01 22:24:13 C 12 17 43.726 -18 03 01.91 V M22
2023-04-01 22:31:59 C 12 17 44.129 -18 02 45.60 V M22
2023-04-01 22:36:36 C 12 17 44.402 -18 02 34.73 V M22
2023-04-01 22:53:32 C 12 17 45.307 -18 01 57.29 V M22
2023-04-02 02:13:22 C 12 18 03.540 -17 54 37.98 V W68
2023-04-02 02:17:26 C 12 18 03.718 -17 54 29.23 V W68
2023-04-02 02:22:01 C 12 18 03.970 -17 54 20.09 V W68
2023-04-02 02:41:11 C 12 18 05.018 -17 53 39.12 V W68
2023-04-02 04:50:58 C 12 18 14.976 -17 50 14.46 V 703
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)