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
2018-10-10 11:01:14 C 07 10 21.25 +26 05 21.7 V G96
2018-10-10 11:08:40 C 07 10 21.63 +26 05 21.0 V G96
2018-10-10 13:14:02 S 07 10 27.600 +26 05 13.60 L C51
2018-10-11 19:25:33 C 07 12 01.94 +26 02 47.4 q D29
2018-10-11 19:39:32 C 07 12 02.56 +26 02 46.5 q D29
2018-10-11 19:51:00 C 07 12 03.19 +26 02 45.9 q D29
2018-10-11 20:05:00 C 07 12 03.96 +26 02 44.6 q D29
2018-10-11 20:16:27 C 07 12 04.41 +26 02 43.8 q D29
2018-11-08 09:24:21 C 07 24 44.63 +25 39 49.6 V G96
2018-11-08 09:31:42 C 07 24 44.48 +25 39 49.9 V G96
2018-11-08 09:39:04 C 07 24 44.38 +25 39 50.2 V G96
2018-11-08 09:54:10 C 07 24 44.13 +25 39 50.5 V G96
2018-11-30 01:20:49 C 07 04 33.77 +26 01 40.4 19.6 q J43
2018-11-30 01:45:44 C 07 04 32.19 +26 01 42.1 19.1 q J43
2018-11-30 01:58:09 C 07 04 31.42 +26 01 42.6 19.5 q J43
2018-12-07 12:10:53 C 06 52 42.38 +26 08 32.4 U T05
2018-12-07 12:24:47 C 06 52 41.37 +26 08 31.2 U T05
2018-12-07 12:48:47 C 06 52 39.59 +26 08 32.0 U T05
2018-12-07 12:53:43 C 06 52 39.28 +26 08 31.5 U T05
2018-12-10 10:01:05 C 06 47 41.26 +26 09 56.7 V G96
2018-12-10 10:08:32 C 06 47 40.70 +26 09 56.5 V G96
2018-12-10 10:15:57 C 06 47 40.12 +26 09 56.8 V G96
2018-12-10 10:23:22 C 06 47 39.56 +26 09 56.8 V G96
2018-12-17 18:20:07 C 06 34 39.19 +26 09 42.6 q D29
2018-12-17 18:45:33 C 06 34 37.27 +26 09 41.8 q D29
2018-12-17 19:11:01 C 06 34 35.31 +26 09 41.1 q D29
2019-01-15 05:32:26 C 05 54 19.63 +25 24 02.7 V G96
2019-01-15 05:39:54 C 05 54 19.34 +25 24 02.3 V G96
2019-01-15 05:47:23 C 05 54 19.04 +25 24 01.7 V G96
2019-01-15 05:54:51 C 05 54 18.74 +25 24 01.5 V G96
2022-04-06 12:45:42 C 15 22 26.184 -22 35 45.59 U F52
2022-04-06 13:01:24 C 15 22 25.800 -22 35 45.60 U F52
2022-04-06 13:17:03 C 15 22 25.424 -22 35 45.20 U F52
2022-04-06 13:32:45 C 15 22 25.083 -22 35 44.69 U F52
2022-05-05 08:24:53 C 14 54 41.836 -21 19 39.25 V G96
2022-05-05 08:32:26 C 14 54 41.411 -21 19 37.49 V G96
2022-05-05 08:39:58 C 14 54 40.957 -21 19 36.44 V G96
2022-05-05 08:47:30 C 14 54 40.568 -21 19 34.03 V G96
2022-05-06 08:33:21 C 14 53 22.128 -21 14 35.52 V G96
2022-05-06 08:41:06 C 14 53 21.736 -21 14 33.97 V G96
2022-05-06 08:48:50 C 14 53 21.257 -21 14 32.28 V G96
2022-05-06 08:56:37 C 14 53 20.832 -21 14 30.59 V G96
2022-05-09 08:47:07 C 14 49 19.606 -20 58 32.67 U F52
2022-05-09 09:04:28 C 14 49 18.591 -20 58 28.73 U F52
2022-05-09 09:21:44 C 14 49 17.572 -20 58 24.83 U F52
2022-05-09 09:39:06 C 14 49 16.565 -20 58 20.85 U F52
2022-05-22 05:11:46 C 14 31 39.072 -19 37 59.74 V G96
2022-05-22 05:19:50 C 14 31 38.600 -19 37 58.01 V G96
2022-05-22 05:27:55 C 14 31 38.125 -19 37 55.52 V G96
2022-05-22 05:36:01 C 14 31 37.628 -19 37 53.51 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)