2019 UL8

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4845719680 ± 2.02e-06
Semi-major axis (a)1.4949804695 AU ± 3.94e-06
Inclination (i)0.78952556° ± 7.71e-06
Long. of Asc. Node (Ω)216.11466777° ± 2.52e-05
Arg. of Perihelion (ω)256.99334058° ± 6.97e-05
Mean Anomaly (M)84.99414129° ± 4.61e-03
Mean Motion (n)0.5392113157°/day ± 2.13e-06
Perihelion dist (q)0.77055484 AU ± 3.64e-06
Aphelion dist (Q)2.21940610 AU ± 6.59e-06
Orbital Period1.82790356 yr ± 7.23e-06
Physical Parameters
H (abs. magnitude)26.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.228″
Uncertainty1
Orbit TypeApollo
MOID0.001243 AU
Observations Used49
Radar Obs Used2
Oppositions1
Arc Total2019-2019
First Observation Used2019-10-25
Last Observation Used2019-11-02
Observations (56)
Date Type RA Dec Mag Band Observatory
2019-10-25 06:26:42 C 02 19 15.47 +14 56 54.0 V G96
2019-10-25 06:40:14 C 02 19 16.39 +14 56 57.8 V G96
2019-10-25 06:46:58 C 02 19 16.91 +14 57 00.6 V G96
2019-10-25 10:17:56 C 02 19 32.87 +14 57 48.9 V I52
2019-10-25 10:25:09 C 02 19 33.50 +14 57 50.5 V I52
2019-10-25 23:35:40 C 02 21 06.64 +15 01 12.5 o K88
2019-10-25 23:51:59 C 02 21 08.18 +15 01 16.9 o K88
2019-10-26 07:27:34 C 02 22 06.77 +15 04 11.0 V G96
2019-10-26 07:32:16 C 02 22 07.22 +15 04 12.4 V G96
2019-10-26 07:36:51 C 02 22 07.65 +15 04 14.2 V G96
2019-10-26 07:41:26 C 02 22 08.09 +15 04 15.7 V G96
2019-10-26 22:56:54 C 02 24 16.77 +15 08 57.7 V L01
2019-10-26 23:01:27 C 02 24 17.29 +15 08 59.3 V L01
2019-10-26 23:03:43 C 02 24 17.61 +15 09 00.3 V L01
2019-10-26 23:48:03 C 02 24 22.22 +15 09 09.6 o K88
2019-10-27 00:00:51 C 02 24 23.78 +15 09 13.9 o K88
2019-10-27 00:13:40 C 02 24 25.40 +15 09 18.1 o K88
2019-10-27 02:08:58 C 02 24 40.61 +15 10 00.0 V L01
2019-10-27 02:14:05 C 02 24 41.26 +15 10 01.5 V L01
2019-10-27 06:24:01 C 02 25 26.57 +15 11 58.9 V 734
2019-10-27 06:35:24 C 02 25 28.12 +15 12 04.8 V 734
2019-10-27 06:45:59 C 02 25 29.37 +15 12 10.0 V 734
2019-10-27 08:16:36 C 02 25 50.505 +15 13 25.48 U F51
2019-10-27 08:34:08 C 02 25 52.776 +15 13 34.04 U F51
2019-10-27 08:51:39 C 02 25 55.016 +15 13 42.31 U F51
2019-10-27 09:09:12 C 02 25 57.243 +15 13 50.53 U F51
2019-10-28 06:41:00 C 02 29 57.79 +15 22 33.8 V H21
2019-10-28 06:53:39 C 02 30 00.00 +15 22 39.2 V H21
2019-10-28 07:06:17 C 02 30 02.27 +15 22 45.1 V H21
2019-10-30 07:35:25 C 02 45 08.72 +15 55 22.2 o 691
2019-10-30 07:44:07 C 02 45 11.98 +15 55 29.9 o 691
2019-10-30 07:52:49 C 02 45 15.29 +15 55 37.5 o 691
2019-10-31 06:49:39 C 02 58 11.08 +16 19 40.4 V 703
2019-10-31 06:57:11 C 02 58 15.78 +16 19 49.9 V 703
2019-10-31 07:04:43 C 02 58 20.51 +16 19 59.9 V 703
2019-10-31 07:12:16 C 02 58 25.28 +16 20 10.1 V 703
2019-10-31 22:45:28 C 03 11 39.09 +16 48 23.9 V K92
2019-10-31 22:57:32 C 03 11 50.35 +16 48 43.9 V K92
2019-10-31 23:12:35 C 03 12 04.38 +16 49 08.8 V K92
2019-10-31 23:24:36 C 03 12 15.69 +16 49 28.2 V K92
2019-10-31 23:37:14 C 03 12 27.62 +16 49 48.7 V K92
2019-10-31 23:46:51 C 03 12 40.92 +16 41 36.3 V K87
2019-10-31 23:47:17 C 03 12 41.36 +16 41 37.0 V K87
2019-10-31 23:47:44 C 03 12 41.85 +16 41 38.4 V K87
2019-11-01 00:27:15 C 03 13 21.95 +16 43 13.7 V C95
2019-11-01 00:35:36 C 03 13 30.21 +16 43 27.3 V C95
2019-11-01 00:43:59 C 03 13 38.52 +16 43 39.4 V C95
2019-11-01 00:52:22 C 03 13 46.88 +16 43 52.5 V C95
2019-11-01 12:20:52 C 03 28 04.38 +17 03 38.4 V I52
2019-11-01 12:21:04 C 03 28 04.66 +17 03 38.7 V I52
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2019-11-02 05:56:00 173600.559 10 Hz 2380 -1 -1
2019-11-02 06:18:00 13771395.65 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)