5189 (1990 UQ)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4782496574 ± 3.61e-09
Semi-major axis (a)1.5517265815 AU ± 8.25e-10
Inclination (i)3.57959246° ± 1.54e-07
Long. of Asc. Node (Ω)135.04771974° ± 1.60e-05
Arg. of Perihelion (ω)159.96056050° ± 1.59e-05
Mean Anomaly (M)101.62054440° ± 6.82e-07
Mean Motion (n)0.5099052418°/day ± 4.07e-10
Perihelion dist (q)0.80961388 AU ± 5.62e-09
Aphelion dist (Q)2.29383929 AU ± 5.73e-09
Orbital Period1.93295970 yr ± 1.54e-09
Physical Parameters
H (abs. magnitude)17.85
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.215″
Uncertainty0
Orbit TypeApollo
MOID0.045058 AU
Observations Used1523
Radar Obs Used5
Gaia Obs Used56
Oppositions13
Arc Total1990-2026
First Observation Used1990-10-20
Last Observation Used2026-01-14
Observations (1656)
Date Type RA Dec Mag Band Observatory
2026-01-12 06:01:11 C 05 14 15.566 +18 56 20.33 X F52
2026-01-12 06:15:07 C 05 14 14.896 +18 56 21.23 X F52
2026-01-12 06:42:59 C 05 14 13.572 +18 56 23.05 X F52
2026-01-14 03:30:27 C 05 12 15.887 +18 59 11.94 V G96
2026-01-14 03:38:32 C 05 12 15.523 +18 59 12.41 V G96
2026-01-14 03:46:37 C 05 12 15.167 +18 59 12.84 V G96
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1992-05-19 05:00:00 -5088 3 Hz 8510 -14 -14
1992-05-19.208333 -508800 300 Hz 8510 253 253
2021-05-01 05:50:00 79781829.844 10 us 8560 -14 -14
2021-05-01 06:30:00 79665102.95 1 us 8560 -14 -14
2021-05-02 06:30:00 75928597.307 1 us 8560 -14 -14
2021-05-04 07:20:00 70390416.991 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)