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
1996-05-16 08:01:39 C 13 42 15.85 -15 20 45.9 695
2001-12-17 11:55:01 C 08 38 31.75 +19 43 02.8 o 644
2005-05-12 11:49:06 C 18 33 47.19 -28 01 12.2 c F65
2005-05-12 11:51:26 C 18 33 47.31 -28 01 12.5 c F65
2005-05-12 11:53:47 C 18 33 47.42 -28 01 12.9 c F65
2005-05-12 11:56:12 C 18 33 47.49 -28 01 13.4 c F65
2005-05-13 13:19:05 C 18 34 57.40 -28 02 34.6 o F65
2005-05-13 13:26:41 C 18 34 57.73 -28 02 35.3 o F65
2005-06-09 08:01:03 C 19 00 00.71 -28 34 54.1 o H06
2005-06-09 08:31:09 C 19 00 01.46 -28 34 57.5 o H06
2005-06-11 07:49:03 C 19 01 32.75 -28 36 49.3 17.6 c 704
2005-06-11 08:03:45 C 19 01 33.05 -28 36 50.0 18.1 c 704
2005-06-11 08:18:31 C 19 01 33.56 -28 36 51.2 19.0 c 704
2005-06-11 08:33:24 C 19 01 33.96 -28 36 52.0 18.0 c 704
2005-06-11 08:48:33 C 19 01 34.31 -28 36 51.5 18.1 c 704
2005-06-27 06:59:43 C 19 13 45.22 -28 40 03.5 16.0 o 644
2005-06-27 07:48:51 C 19 13 46.45 -28 40 02.2 16.2 o 644
2005-06-27 08:48:52 C 19 13 48.07 -28 40 00.2 16.1 o 644
2005-07-03 07:19:10 C 19 19 16.56 -28 29 42.4 15.5 o 644
2005-07-03 07:57:22 C 19 19 17.84 -28 29 38.7 15.5 o 644
2005-07-03 08:34:27 C 19 19 19.07 -28 29 34.5 15.4 o 644
2005-07-10 14:04:31 C 19 28 27.33 -27 56 56.1 r E12
2005-07-10 14:18:41 C 19 28 28.09 -27 56 52.7 r E12
2005-07-10 14:32:30 C 19 28 28.81 -27 56 48.8 r E12
2005-07-10 14:45:22 C 19 28 29.49 -27 56 45.1 r E12
2005-07-12 23:21:52 C 19 32 33.028 -27 39 28.41 r 620
2005-07-12 23:55:58 C 19 32 35.264 -27 39 16.24 r 620
2005-07-13 00:30:05 C 19 32 37.511 -27 39 03.41 r 620
2005-07-13 00:59:03 C 19 32 39.416 -27 38 52.40 r 620
2005-07-13 01:33:15 C 19 32 41.693 -27 38 39.02 r 620
2005-07-13 03:01:21 C 19 32 49.85 -27 37 29.1 r I77
2005-07-13 03:04:13 C 19 32 49.99 -27 37 28.2 r I77
2005-07-13 03:07:00 C 19 32 50.21 -27 37 27.0 r I77
2005-07-13 12:23:06 C 19 33 36.05 -27 33 47.0 r 428
2005-07-13 13:43:58 C 19 33 41.49 -27 33 16.9 r 428
2005-07-13 22:44:49 C 19 34 27.079 -27 30 27.88 r 620
2005-07-13 23:25:37 C 19 34 29.999 -27 30 12.07 r 620
2005-07-14 00:08:15 C 19 34 33.044 -27 29 54.48 r 620
2005-07-14 00:57:35 C 19 34 36.568 -27 29 33.74 r 620
2005-07-14 01:40:16 C 19 34 39.676 -27 29 14.89 r 620
2005-07-14 14:36:56 C 19 35 48.73 -27 23 44.3 r 379
2005-07-14 14:45:11 C 19 35 49.29 -27 23 40.9 r 379
2005-07-14 22:03:10 C 19 36 29.37 -27 20 26.4 r 157
2005-07-14 22:04:20 C 19 36 29.47 -27 20 25.8 r 157
2005-07-14 22:05:30 C 19 36 29.57 -27 20 26.2 r 157
2005-07-14 22:06:40 C 19 36 29.65 -27 20 25.1 r 157
2005-07-14 22:39:43 C 19 36 32.781 -27 20 09.09 r 620
2005-07-14 23:20:37 C 19 36 35.987 -27 19 51.10 r 620
2005-07-14 23:54:46 C 19 36 38.636 -27 19 35.70 r 620
2005-07-15 00:43:37 C 19 36 42.459 -27 19 12.73 r 620
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)