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
2005-07-15 01:10:56 C 19 36 44.600 -27 18 59.47 r 620
2005-07-17 12:21:30 C 19 42 50.18 -26 46 16.5 14.0 r E12
2005-07-17 12:31:08 C 19 42 51.12 -26 46 11.1 13.9 r E12
2005-07-17 12:40:58 C 19 42 52.09 -26 46 05.6 14.0 r E12
2005-07-17 12:51:03 C 19 42 53.06 -26 45 59.7 14.0 r E12
2005-07-18 11:07:44 C 19 45 32.98 -26 31 14.2 r E17
2005-07-18 11:11:06 C 19 45 33.34 -26 31 12.2 r E17
2005-07-18 11:14:29 C 19 45 33.72 -26 31 10.0 r E17
2005-07-18 14:45:46 C 19 45 56.40 -26 28 52.9 r 428
2005-07-18 14:48:02 C 19 45 56.64 -26 28 51.3 r 428
2005-07-18 14:49:37 C 19 45 56.84 -26 28 50.2 r 428
2005-07-18 14:51:11 C 19 45 57.00 -26 28 49.1 r 428
2005-07-23 11:54:41 C 20 04 43.75 -24 34 11.8 r E14
2005-07-23 12:22:16 C 20 04 48.84 -24 33 36.7 r E14
2005-07-23 12:53:13 C 20 04 54.58 -24 32 56.9 r E14
2005-07-24 07:30:47 C 20 08 48.03 -24 08 14.1 r H45
2005-07-24 07:32:05 C 20 08 48.29 -24 08 12.0 r H45
2005-07-24 07:34:38 C 20 08 48.81 -24 08 08.2 r H45
2005-07-24 07:36:59 C 20 08 49.27 -24 08 04.3 r H45
2005-07-24 07:39:14 C 20 08 49.72 -24 08 01.1 r H45
2005-07-24 07:42:04 C 20 08 50.30 -24 07 56.7 r H45
2005-07-26 21:28:43 C 20 24 42.96 -22 17 00.5 o 151
2005-07-26 21:29:18 C 20 24 43.11 -22 16 59.2 o 151
2005-07-26 21:29:51 C 20 24 43.28 -22 16 58.3 o 151
2005-07-26 21:30:23 C 20 24 43.41 -22 16 56.6 o 151
2005-07-26 21:30:57 C 20 24 43.57 -22 16 55.5 o 151
2005-07-26 21:31:31 C 20 24 43.73 -22 16 54.7 o 151
2005-07-26 21:32:04 C 20 24 43.89 -22 16 53.3 o 151
2005-07-26 21:32:37 C 20 24 44.03 -22 16 52.4 o 151
2005-07-26 21:33:10 C 20 24 44.19 -22 16 50.9 o 151
2005-07-26 21:33:45 C 20 24 44.35 -22 16 49.8 o 151
2005-07-27 14:40:54 C 20 29 59.01 -21 37 26.5 r 379
2005-07-27 14:42:02 C 20 29 59.37 -21 37 23.5 r 379
2005-07-27 14:46:39 C 20 30 00.73 -21 37 12.0 r 379
2005-07-27 14:51:14 C 20 30 02.07 -21 37 01.1 r 379
2005-07-27 14:55:51 C 20 30 03.41 -21 36 50.3 r 379
2005-07-27 14:58:09 C 20 30 04.09 -21 36 44.5 r 379
2005-07-27 14:59:17 C 20 30 04.45 -21 36 41.7 r 379
2005-07-27 15:00:26 C 20 30 04.79 -21 36 38.7 r 379
2005-07-28 19:53:04 C 20 40 10.43 -20 19 07.5 c 104
2005-07-28 19:54:42 C 20 40 11.04 -20 19 02.8 c 104
2005-07-28 19:56:33 C 20 40 11.69 -20 18 57.7 c 104
2005-07-29 07:54:28 C 20 44 40.98 -19 42 04.0 r H45
2005-07-29 07:56:33 C 20 44 41.73 -19 41 57.4 r H45
2005-07-29 07:57:57 C 20 44 42.26 -19 41 52.6 r H45
2005-07-29 07:58:59 C 20 44 42.64 -19 41 49.4 r H45
2005-07-29 08:00:02 C 20 44 43.03 -19 41 45.9 r H45
2005-07-29 08:01:29 C 20 44 43.56 -19 41 41.1 r H45
2005-07-29 08:02:24 C 20 44 43.89 -19 41 38.3 r H45
2005-07-29 08:03:42 C 20 44 44.39 -19 41 33.8 r H45
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)