808862 (2018 UY)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5313594167 ± 8.86e-09
Semi-major axis (a)1.2488495075 AU ± 4.15e-09
Inclination (i)1.74638748° ± 1.48e-06
Long. of Asc. Node (Ω)72.43880249° ± 3.69e-05
Arg. of Perihelion (ω)114.60547816° ± 3.68e-05
Mean Anomaly (M)289.95648024° ± 2.90e-06
Mean Motion (n)0.7062315510°/day ± 3.52e-09
Perihelion dist (q)0.58526156 AU ± 1.12e-08
Aphelion dist (Q)1.91243745 AU ± 1.28e-08
Orbital Period1.39561350 yr ± 6.96e-09
NGA Modelr2
A2-8.87700722e-14 ± 1.26e-14 AU/d²
Physical Parameters
H (abs. magnitude)20.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.238″
Uncertainty0
Orbit TypeApollo
MOID0.007720 AU
Observations Used250
Radar Obs Used4
Oppositions5
Arc Total2007-2026
First Observation Used2007-11-11
Last Observation Used2026-01-06
Observations (270)
Date Type RA Dec Mag Band Observatory
2025-12-08 09:03:50 C 02 06 46.932 +12 04 15.41 X F52
2025-12-08 09:19:43 C 02 06 43.818 +12 04 02.56 X F52
2025-12-08 09:35:35 C 02 06 40.721 +12 03 49.69 X F52
2025-12-11 05:51:04 C 01 53 50.975 +11 08 36.17 V G96
2025-12-11 05:59:11 C 01 53 49.427 +11 08 29.65 V G96
2025-12-11 06:07:16 C 01 53 47.864 +11 08 22.85 V G96
2025-12-11 06:15:21 C 01 53 46.309 +11 08 16.30 V G96
2025-12-14 11:55:34 C 01 39 29.90 +10 04 57.6 V D29
2025-12-14 12:15:56 C 01 39 26.07 +10 04 41.3 V D29
2025-12-14 12:36:18 C 01 39 22.23 +10 04 24.7 V D29
2025-12-16 11:47:21 C 01 30 55.37 +09 26 09.0 V D29
2025-12-16 11:48:38 C 01 30 55.13 +09 26 07.8 V D29
2025-12-16 12:07:43 C 01 30 51.61 +09 25 52.5 V D29
2025-12-16 12:09:00 C 01 30 51.37 +09 25 51.6 V D29
2025-12-16 12:28:05 C 01 30 47.86 +09 25 36.3 V D29
2025-12-16 12:29:21 C 01 30 47.62 +09 25 34.7 V D29
2025-12-17 10:38:34 C 01 26 54.54 +09 07 45.6 V D29
2025-12-17 11:19:17 C 01 26 47.06 +09 07 13.0 V D29
2026-01-06 12:12:10 C 00 11 43.732 +03 10 19.11 W O18
2026-01-06 12:53:31 C 00 11 37.270 +03 09 48.72 W O18
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2023-07-08 15:30:00 858351 1 Hz 8560 -14 -14
2023-07-08 17:40:00 41671902 2 us 8560 -14 -14
2023-07-08 18:30:00 41376752.41 0.125 us 8560 -14 -14
2023-07-09 15:50:00 34132912.954 0.25 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)