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
2005-07-29 13:25:54 C 20 47 00.11 -19 23 56.8 r 379
2005-07-29 13:27:03 C 20 47 00.53 -19 23 53.0 r 379
2005-07-29 13:28:12 C 20 47 01.00 -19 23 49.2 r 379
2005-07-29 13:29:21 C 20 47 01.43 -19 23 45.3 r 379
2005-07-29 13:30:31 C 20 47 01.85 -19 23 41.6 r 379
2005-07-29 13:31:40 C 20 47 02.31 -19 23 37.5 r 379
2005-07-29 13:39:44 C 20 47 05.37 -19 23 11.2 r 379
2005-07-29 13:41:13 C 20 47 05.94 -19 23 06.3 r 379
2005-07-29 13:44:11 C 20 47 07.08 -19 22 56.3 r 379
2005-07-29 13:47:09 C 20 47 08.21 -19 22 46.8 r 379
2005-07-29 13:48:38 C 20 47 08.79 -19 22 41.8 r 379
2005-07-29 13:51:36 C 20 47 09.89 -19 22 31.9 r 379
2005-07-29 13:53:04 C 20 47 10.47 -19 22 27.2 r 379
2005-07-30 06:50:59 C 20 54 24.52 -18 22 02.1 r H45
2005-07-30 06:51:57 C 20 54 24.90 -18 21 58.5 r H45
2005-07-30 06:53:26 C 20 54 25.54 -18 21 52.9 r H45
2005-07-30 06:55:36 C 20 54 26.45 -18 21 44.6 r H45
2005-07-30 07:01:55 C 20 54 29.08 -18 21 20.8 r H45
2005-07-30 07:03:55 C 20 54 29.92 -18 21 13.2 r H45
2005-07-30 07:05:31 C 20 54 30.60 -18 21 07.0 r H45
2005-07-30 07:07:42 C 20 54 31.51 -18 20 58.6 r H45
2005-07-30 07:10:15 C 20 54 32.57 -18 20 48.9 r H45
2005-07-30 13:33:18 C 20 57 31.94 -17 56 00.0 m 355
2005-07-30 13:35:03 C 20 57 32.69 -17 55 53.1 m 355
2005-07-30 13:40:54 C 20 57 35.25 -17 55 30.4 m 355
2005-07-30 13:42:38 C 20 57 36.01 -17 55 23.6 m 355
2005-07-30 21:47:04 C 21 01 28.341 -17 22 20.64 r 620
2005-07-30 21:57:45 C 21 01 33.273 -17 21 36.41 r 620
2005-07-30 22:08:50 C 21 01 38.413 -17 20 50.48 r 620
2005-07-30 22:19:56 C 21 01 43.519 -17 20 04.08 r 620
2005-07-30 22:24:40 C 21 01 44.48 -17 19 49.8 r 157
2005-07-30 22:25:50 C 21 01 45.02 -17 19 45.0 r 157
2005-07-30 22:27:00 C 21 01 45.56 -17 19 40.1 r 157
2005-07-30 22:28:10 C 21 01 46.10 -17 19 35.1 r 157
2005-07-30 22:30:05 C 21 01 48.194 -17 19 21.96 r 620
2005-07-31 00:04:58 C 21 02 31.12 -17 12 55.1 o A32
2005-07-31 00:08:13 C 21 02 32.66 -17 12 41.0 o A32
2005-07-31 00:11:26 C 21 02 34.16 -17 12 27.3 o A32
2005-07-31 00:14:40 C 21 02 35.68 -17 12 13.2 o A32
2005-07-31 08:02:49 C 21 06 29.65 -16 37 21.2 r H45
2005-07-31 08:04:49 C 21 06 30.63 -16 37 11.9 r H45
2005-07-31 08:06:12 C 21 06 31.29 -16 37 05.9 r H45
2005-07-31 08:08:51 C 21 06 32.58 -16 36 53.8 r H45
2005-07-31 08:11:00 C 21 06 33.62 -16 36 43.6 r H45
2005-07-31 08:11:55 C 21 06 34.05 -16 36 39.8 r H45
2005-07-31 09:21:15 C 21 07 07.86 -16 31 17.8 r H45
2005-07-31 09:22:06 C 21 07 08.27 -16 31 13.7 r H45
2005-08-02 06:24:52 C 21 33 46.42 -12 25 48.9 r H45
2005-08-02 06:26:48 C 21 33 47.65 -12 25 36.7 r H45
2005-08-02 06:28:35 C 21 33 48.77 -12 25 25.4 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)