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
2019-11-01 12:21:15 C 03 28 04.92 +17 03 39.1 V I52
2019-11-01 12:21:25 C 03 28 05.17 +17 03 39.3 V I52
2019-11-02 06:34:59 C 04 06 26.78 +17 36 10.4 V I52
2019-11-02 06:35:09 C 04 06 27.26 +17 36 11.1 V I52
2019-11-02 06:35:21 C 04 06 27.76 +17 36 11.4 V I52
2019-11-02 06:35:32 C 04 06 28.26 +17 36 12.0 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)