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
2005-08-09 23:44:45 C 00 43 10.62 +19 03 51.9 o 198
2005-08-09 23:49:58 C 00 43 16.93 +19 04 46.1 o 198
2005-08-09 23:51:11 C 00 43 18.38 +19 04 58.6 o 198
2005-08-10 15:26:07 C 01 02 26.19 +21 37 29.5 r 379
2005-08-10 15:27:16 C 01 02 27.56 +21 37 40.3 r 379
2005-08-10 15:28:24 C 01 02 28.89 +21 37 50.8 r 379
2005-08-10 15:30:42 C 01 02 31.59 +21 38 12.9 r 379
2005-08-10 15:34:10 C 01 02 35.66 +21 38 45.5 r 379
2005-08-10 15:40:06 C 01 02 42.59 +21 39 41.0 r 379
2005-08-10 15:41:15 C 01 02 43.97 +21 39 51.5 r 379
2005-08-10 15:42:23 C 01 02 45.29 +21 40 02.6 r 379
2005-08-10 15:43:32 C 01 02 46.67 +21 40 13.4 r 379
2005-08-10 15:44:41 C 01 02 48.02 +21 40 24.2 r 379
2005-08-10 15:45:50 C 01 02 49.36 +21 40 35.1 r 379
2005-08-10 15:47:00 C 01 02 50.70 +21 40 45.8 r 379
2005-08-10 15:49:18 C 01 02 53.41 +21 41 07.1 r 379
2005-08-15 23:40:05 C 03 08 08.94 +32 46 26.7 o A67
2005-08-15 23:44:23 C 03 08 12.02 +32 46 37.2 o A67
2005-08-18 00:17:11 C 03 38 56.68 +34 06 34.3 o A32
2005-08-18 00:20:26 C 03 38 58.49 +34 06 38.8 o A32
2005-08-18 00:22:02 C 03 38 59.37 +34 06 41.0 o A32
2005-08-18 00:25:17 C 03 39 01.12 +34 06 45.1 o A32
2005-08-18 00:26:53 C 03 39 02.01 +34 06 47.1 o A32
2005-08-18 23:10:03 C 03 50 57.07 +34 29 18.2 o A32
2005-08-18 23:13:18 C 03 50 58.68 +34 29 21.7 o A32
2005-08-18 23:19:47 C 03 51 01.88 +34 29 28.4 o A32
2005-08-18 23:23:02 C 03 51 03.50 +34 29 31.9 o A32
2005-08-18 23:26:02 C 03 51 03.89 +34 29 40.7 r 084
2005-08-18 23:26:17 C 03 51 05.10 +34 29 35.0 o A32
2005-08-18 23:27:09 C 03 51 04.40 +34 29 41.6 r 084
2005-08-19 00:21:36 C 03 51 30.69 +34 30 34.4 r 084
2005-08-19 00:22:42 C 03 51 31.23 +34 30 35.6 r 084
2005-08-19 00:23:49 C 03 51 31.75 +34 30 36.7 r 084
2005-08-19 23:28:30 C 04 02 14.62 +34 46 53.5 r 084
2005-08-19 23:29:36 C 04 02 15.09 +34 46 54.6 r 084
2005-08-19 23:30:43 C 04 02 15.56 +34 46 55.1 r 084
2005-08-23 10:02:40 C 04 32 13.26 +35 14 40.6 17.1 c 704
2005-08-23 10:18:44 C 04 32 17.80 +35 14 45.1 17.6 c 704
2005-08-23 10:34:58 C 04 32 22.34 +35 14 49.3 17.5 c 704
2005-08-23 10:51:03 C 04 32 26.85 +35 14 53.2 17.4 c 704
2005-08-24 23:48:02 C 04 42 41.40 +35 17 02.7 r 084
2005-08-24 23:49:07 C 04 42 41.68 +35 17 03.1 r 084
2005-08-24 23:50:14 C 04 42 41.97 +35 17 03.1 r 084
2005-08-31 09:24:10 C 05 13 14.02 +35 07 55.9 17.5 c 704
2005-08-31 09:40:12 C 05 13 16.38 +35 07 55.7 17.6 c 704
2005-08-31 10:12:17 C 05 13 21.03 +35 07 55.3 17.3 c 704
2005-08-31 10:28:17 C 05 13 23.28 +35 07 55.2 17.5 c 704
2005-09-05 00:38:29 C 05 28 02.78 +34 53 25.0 r 084
2005-09-05 00:40:36 C 05 28 02.97 +34 53 24.9 r 084
2005-09-05 00:42:43 C 05 28 03.19 +34 53 24.8 r 084
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)