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
2005-12-30 05:58:34 C 04 25 50.19 +25 47 08.6 r G96
2005-12-30 06:06:26 C 04 25 50.08 +25 47 07.3 r G96
2005-12-30 06:14:18 C 04 25 50.01 +25 47 06.0 r G96
2006-01-05 05:04:23 C 04 25 10.61 +25 20 02.0 19.6 c 704
2006-01-05 05:41:45 C 04 25 10.66 +25 19 54.7 20.4 c 704
2006-01-05 06:19:39 C 04 25 10.52 +25 19 48.3 20.1 c 704
2006-01-26 03:45:51 C 04 33 14.72 +24 27 08.4 r G96
2006-01-26 03:56:05 C 04 33 14.97 +24 27 07.3 r G96
2006-01-26 04:06:18 C 04 33 15.19 +24 27 06.5 r G96
2006-01-26 04:16:33 C 04 33 15.51 +24 27 06.7 r G96
2013-04-16 07:13:18 C 13 09 19.14 -11 32 45.0 L W84
2013-04-16 07:31:31 C 13 09 18.37 -11 32 40.4 L W84
2013-04-17 03:34:29 C 13 08 28.07 -11 27 42.7 L W84
2013-04-17 03:40:30 C 13 08 27.79 -11 27 41.2 L W84
2013-04-17 03:46:28 C 13 08 27.55 -11 27 39.8 L W84
2013-04-17 03:52:31 C 13 08 27.29 -11 27 38.3 L W84
2013-04-18 03:32:49 C 13 07 27.76 -11 21 44.4 L W84
2013-04-18 03:38:49 C 13 07 27.50 -11 21 43.1 L W84
2013-04-18 03:44:58 C 13 07 27.25 -11 21 41.6 L W84
2013-04-18 03:50:59 C 13 07 26.99 -11 21 40.0 L W84
2015-01-14 09:04:54 C 08 47 13.218 +18 13 32.25 L F51
2015-01-14 09:22:36 C 08 47 12.367 +18 13 35.53 L F51
2015-01-14 09:40:13 C 08 47 11.484 +18 13 38.70 L F51
2015-01-14 09:57:54 C 08 47 10.591 +18 13 41.59 L F51
2018-05-24 10:41:43 C 22 07 37.37 -13 35 27.7 U 703
2018-05-24 10:49:49 C 22 07 38.87 -13 35 19.3 U 703
2018-05-24 10:57:57 C 22 07 40.21 -13 35 09.7 U 703
2018-05-24 11:06:04 C 22 07 41.65 -13 35 00.9 U 703
2018-06-11 10:30:01 C 23 31 14.59 -04 08 15.8 U 703
2018-06-11 10:44:31 C 23 31 17.60 -04 07 53.1 U 703
2018-06-11 10:51:47 C 23 31 19.08 -04 07 43.1 U 703
2018-06-25 10:23:29 C 00 43 07.09 +04 47 50.1 U 703
2018-06-25 10:38:28 C 00 43 10.30 +04 48 15.8 U 703
2018-06-25 10:45:58 C 00 43 11.93 +04 48 26.6 U 703
2018-10-09 07:23:38 S 07 08 50.38 +26 07 38.2 L C51
2018-10-09 10:32:08 S 07 09 00.83 +26 07 24.2 L C51
2018-10-09 13:40:38 S 07 09 11.20 +26 07 07.4 L C51
2018-10-09 16:48:57 S 07 09 21.54 +26 06 52.5 L C51
2018-10-09 16:49:09 S 07 09 21.54 +26 06 53.3 L C51
2018-10-09 18:23:12 S 07 09 26.75 +26 06 45.6 L C51
2018-10-09 18:23:23 S 07 09 26.73 +26 06 45.4 L C51
2018-10-09 21:31:42 S 07 09 36.99 +26 06 30.3 L C51
2018-10-09 23:05:58 S 07 09 42.11 +26 06 22.1 L C51
2018-10-10 00:40:13 S 07 09 47.23 +26 06 14.5 L C51
2018-10-10 02:14:27 S 07 09 52.342 +26 06 06.95 L C51
2018-10-10 03:48:42 S 07 09 57.43 +26 05 58.5 L C51
2018-10-10 06:57:12 S 07 10 07.49 +26 05 44.2 L C51
2018-10-10 10:05:32 S 07 10 17.60 +26 05 28.2 L C51
2018-10-10 10:46:22 C 07 10 20.49 +26 05 22.6 V G96
2018-10-10 10:53:48 C 07 10 20.87 +26 05 22.0 V G96
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)