100085 (1992 UY4)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6186868211 ± 4.23e-09
Semi-major axis (a)2.6512968797 AU ± 4.06e-09
Inclination (i)2.63963416° ± 1.51e-06
Long. of Asc. Node (Ω)305.16940330° ± 7.34e-06
Arg. of Perihelion (ω)42.23676261° ± 7.87e-06
Mean Anomaly (M)249.67318505° ± 3.54e-06
Mean Motion (n)0.2283098954°/day ± 5.24e-10
Perihelion dist (q)1.01097444 AU ± 1.13e-08
Aphelion dist (Q)4.29161932 AU ± 1.30e-08
Orbital Period4.31705460 yr ± 9.91e-09
Physical Parameters
H (abs. magnitude)17.89
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.318″
Uncertainty0
Orbit TypeApollo
MOID0.024419 AU
Observations Used622
Radar Obs Used13
Oppositions20
Arc Total1979-2023
First Observation Used1979-06-29
Last Observation Used2023-02-09
Observations (664)
Date Type RA Dec Mag Band Observatory
2022-05-22 08:38:24 C 14 31 27.419 -19 37 00.49 U F52
2022-05-22 08:54:05 C 14 31 26.509 -19 36 56.03 U F52
2022-05-22 09:09:50 C 14 31 25.596 -19 36 51.43 U F52
2022-05-22 09:25:35 C 14 31 24.669 -19 36 46.97 U F52
2022-06-01 06:48:23 C 14 18 53.575 -18 28 18.34 V G96
2022-06-01 06:55:50 C 14 18 53.161 -18 28 15.82 V G96
2022-06-01 07:03:18 C 14 18 52.783 -18 28 13.51 V G96
2022-06-04 07:33:37 C 14 15 29.919 -18 07 42.03 U F52
2022-06-04 07:50:08 C 14 15 29.145 -18 07 37.40 U F52
2022-06-04 08:06:42 C 14 15 28.369 -18 07 32.75 U F52
2023-02-09 03:08:39 C 01 23 20.868 +11 05 34.33 V V00
2023-02-09 03:16:08 C 01 23 21.959 +11 05 40.31 V V00
2023-02-09 03:23:35 C 01 23 23.060 +11 05 46.64 V V00
2023-02-09 03:31:08 C 01 23 24.166 +11 05 52.91 V V00
Radar Observations (13)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-08-01 06:50:00 59398242 20 us 8560 -14 -14
2005-08-01 09:20:00 58918929 2 us 8560 -14 -14
2005-08-02 08:10:00 54735401 2 us 8560 -14 -14
2005-08-04 07:20:00 47331721 2 us 8560 -14 -14
2005-08-06 06:24:00 42212726.158 2 us 2380 -1 -1
2005-08-06 06:30:00 42204904.111 3 us 2380 -1 -1
2005-08-07 06:30:00 40744458.929 3 us 2380 -1 -1
2005-08-08 06:21:00 40167453.333 2 us 2380 -1 -1
2005-08-08 06:30:00 40166355.861 3 us 2380 -1 -1
2005-08-09 06:35:00 40501169.88 2 us 2380 -1 -1
2005-08-09 07:00:00 40513998.966 3 us 2380 -1 -1
2005-08-10 07:00:00 41743354.5 2 us 2380 -1 -1
2005-08-10 07:30:00 41776720.151 3 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)