11500 Tomaiyowit (1989 UR)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3558433727 ± 2.00e+00
Semi-major axis (a)1.0798578286 AU ± 3.00e+00
Inclination (i)10.31072879° ± 4.00e+00
Long. of Asc. Node (Ω)234.38493694° ± 5.00e+00
Arg. of Perihelion (ω)289.52233292° ± 6.00e+00
Mean Anomaly (M)314.93250442° ± 5.23e-06
Mean Motion (n)0.8783394808°/day ± 3.66e+00
Perihelion dist (q)0.69559758 AU ± 2.90e+00
Aphelion dist (Q)1.46411808 AU ± 4.61e+00
Orbital Period1.12214731 yr ± 4.68e+00
NGA Modelr2
A2-1.39339812e-06 AU/d²
Physical Parameters
H (abs. magnitude)18.38
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.347″
Uncertainty0
Orbit TypeApollo
MOID0.034039 AU
Observations Used1032
Oppositions4
Arc Total1989-2025
First Observation Used1989-10-25
Last Observation Used2025-11-10
Observations (1332)
Date Type RA Dec Mag Band Observatory
2007-10-20 16:57:23 C 05 09 16.18 +35 09 19.5 r D29
2007-10-20 17:03:45 C 05 09 16.90 +35 09 17.8 r D29
2007-10-20 17:15:43 C 05 09 18.20 +35 09 14.8 r D29
2007-10-20 17:20:58 C 05 09 18.82 +35 09 12.4 r D29
2007-10-20 17:32:52 C 05 09 20.02 +35 09 09.9 r D29
2007-10-20 17:38:27 C 05 09 20.69 +35 09 08.8 r D29
2007-10-20 17:50:17 C 05 09 21.97 +35 09 05.3 r D29
2007-10-21 00:30:41 C 05 10 08.38 +35 06 47.9 r 084
2007-10-23 07:38:57 C 05 16 49.53 +34 46 48.2 17.3 c 704
2007-10-23 07:55:38 C 05 16 51.54 +34 46 41.8 17.3 c 704
2007-10-23 08:12:27 C 05 16 53.45 +34 46 35.8 17.4 c 704
2007-10-23 08:30:07 C 05 16 55.52 +34 46 28.5 17.4 c 704
2007-10-23 08:46:58 C 05 16 57.47 +34 46 22.1 17.4 c 704
2007-10-31 23:46:34 C 05 46 31.66 +32 22 04.7 r 084
2007-10-31 23:50:47 C 05 46 32.32 +32 22 00.4 r 084
2007-11-02 10:06:42 C 05 52 25.02 +31 43 21.9 16.6 c 704
2007-11-02 10:23:36 C 05 52 27.79 +31 43 01.5 16.6 c 704
2007-11-02 10:40:33 C 05 52 30.58 +31 42 40.4 16.8 c 704
2007-11-02 11:14:36 C 05 52 36.20 +31 41 58.1 16.7 c 704
2007-11-03 01:43:08 C 05 55 14.42 +31 23 28.6 r B19
2007-11-03 01:52:42 C 05 55 16.03 +31 23 16.3 r B19
2007-11-03 02:02:15 C 05 55 17.66 +31 23 03.9 r B19
2007-11-04 00:34:05 C 05 59 32.51 +30 52 02.7 r J51
2007-11-04 00:39:50 C 05 59 33.57 +30 51 55.0 r J51
2007-11-04 00:45:06 C 05 59 34.55 +30 51 47.9 r J51
2007-11-05 07:03:32 C 06 05 32.92 +30 04 47.9 r H45
2007-11-05 07:04:30 C 06 05 33.13 +30 04 46.5 r H45
2007-11-05 07:06:04 C 06 05 33.42 +30 04 43.8 r H45
2007-11-05 07:07:52 C 06 05 33.77 +30 04 40.9 r H45
2007-11-05 07:08:55 C 06 05 33.96 +30 04 39.3 r H45
2007-11-05 21:18:22 C 06 08 29.94 +29 40 01.6 r 084
2007-11-06 11:21:29 C 06 11 27.03 +29 14 48.5 r H45
2007-11-06 11:22:14 C 06 11 27.18 +29 14 47.1 r H45
2007-11-06 11:24:06 C 06 11 27.57 +29 14 43.4 r H45
2007-11-06 11:25:40 C 06 11 27.89 +29 14 40.4 r H45
2007-11-06 11:26:45 C 06 11 28.11 +29 14 38.2 r H45
2007-11-07 09:12:11 C 06 16 22.17 +28 31 37.9 16.7 c 704
2007-11-07 09:29:55 C 06 16 25.95 +28 31 01.1 16.3 c 704
2007-11-07 09:47:42 C 06 16 29.69 +28 30 24.1 17.6 c 704
2007-11-07 10:05:30 C 06 16 33.56 +28 29 47.3 16.7 c 704
2007-11-07 10:23:32 C 06 16 37.44 +28 29 09.6 16.6 c 704
2007-11-11 02:21:54 C 06 39 17.15 +24 40 54.9 c A24
2007-11-11 02:23:22 C 06 39 17.56 +24 40 50.3 c A24
2007-11-14 09:01:52 C 07 04 54.10 +19 34 55.0 15.3 c 704
2007-11-14 09:19:51 C 07 05 00.38 +19 33 32.3 15.9 c 704
2007-11-14 09:37:47 C 07 05 06.56 +19 32 06.8 15.6 c 704
2007-11-14 09:56:19 C 07 05 12.99 +19 30 39.1 15.7 c 704
2007-11-14 10:14:13 C 07 05 19.18 +19 29 14.8 15.7 c 704
2007-11-15 03:10:51 C 07 11 42.95 +18 05 12.0 r J40
2007-11-15 03:13:06 C 07 11 43.78 +18 05 00.3 r J40
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2007-11-26 12:20:00 -121825.1 0.5 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)