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
2016-09-10 10:21:20 C 04 16 09.24 +32 36 57.6 q G96
2016-09-10 10:53:10 C 04 16 12.92 +32 37 04.7 q G96
2016-10-12 14:01:14 C 06 07 28.68 +31 42 09.6 L T05
2016-10-12 14:26:05 C 06 07 33.04 +31 41 56.6 L T05
2016-10-12 14:50:59 C 06 07 37.49 +31 41 43.4 L T05
2016-10-12 15:16:28 C 06 07 41.95 +31 41 29.3 L T05
2016-10-20 13:19:47 C 06 45 38.44 +29 17 22.9 L T05
2016-10-20 13:50:12 C 06 45 44.65 +29 16 50.2 L T05
2016-10-20 14:01:58 C 06 45 47.26 +29 16 40.9 L T05
2016-10-20 14:26:51 C 06 45 52.47 +29 16 15.2 L T05
2016-10-24 14:16:22 C 07 07 42.84 +27 23 01.8 L T05
2016-10-24 14:39:21 C 07 07 48.09 +27 22 32.7 L T05
2016-10-24 15:01:59 C 07 07 53.25 +27 22 01.3 L T05
2016-10-24 15:25:30 C 07 07 58.71 +27 21 29.2 L T05
2016-10-30 11:54:52 C 07 43 57.28 +23 26 23.9 q 703
2016-10-30 12:03:33 C 07 43 59.59 +23 26 07.0 q 703
2016-10-30 12:12:15 C 07 44 01.88 +23 25 48.8 q 703
2016-10-30 12:20:55 C 07 44 04.22 +23 25 31.8 q 703
2016-10-31 09:07:24 C 07 49 50.67 +22 42 21.8 R G45
2016-10-31 09:22:43 C 07 49 54.85 +22 41 49.8 R G45
2016-10-31 09:29:01 C 07 49 56.57 +22 41 36.7 R G45
2016-10-31 09:36:48 C 07 49 58.68 +22 41 20.3 R G45
2016-10-31 09:43:48 C 07 50 00.60 +22 41 05.7 R G45
2016-11-05 11:18:49 C 08 26 00.97 +17 38 17.8 q 703
2016-11-05 11:27:31 C 08 26 03.58 +17 37 52.9 q 703
2016-11-05 11:36:13 C 08 26 06.26 +17 37 27.7 q 703
2016-11-05 11:44:56 C 08 26 08.85 +17 37 03.2 q 703
2016-11-06 11:21:14 C 08 33 36.46 +16 27 39.5 q G96
2016-11-06 11:34:25 C 08 33 40.55 +16 27 00.1 q G96
2016-11-06 11:44:52 C 08 33 43.79 +16 26 28.5 q G96
2016-11-06 11:51:03 C 08 33 45.64 +16 26 10.4 q G96
2016-11-09 10:49:48 C 08 57 03.62 +12 36 19.0 q 703
2016-11-09 10:58:28 C 08 57 06.49 +12 35 49.8 q 703
2016-11-09 11:07:07 C 08 57 09.30 +12 35 19.5 q 703
2016-11-09 12:10:52 C 08 57 30.19 +12 31 40.3 q 703
2016-11-09 12:19:33 C 08 57 33.01 +12 31 09.9 q 703
2016-11-09 12:28:13 C 08 57 35.87 +12 30 39.6 q 703
2016-11-09 12:36:53 C 08 57 38.73 +12 30 09.2 q 703
2016-11-12 12:06:49 S 09 22 18.149 +08 08 39.08 L C51
2016-11-12 15:15:31 S 09 23 24.758 +07 56 32.57 L C51
2016-11-12 18:24:12 S 09 24 31.442 +07 44 22.70 L C51
2016-11-12 19:58:27 S 09 25 04.793 +07 38 16.98 L C51
2016-11-12 21:32:53 S 09 25 38.230 +07 32 10.90 L C51
2016-11-12 23:07:08 S 09 26 11.645 +07 26 03.59 L C51
2016-11-13 02:15:49 S 09 27 18.610 +07 13 47.71 L C51
2016-11-13 05:24:30 S 09 28 25.685 +07 01 28.74 L C51
2016-11-14 14:55:20 C 09 40 28.471 +04 47 36.24 L F51
2016-11-14 15:05:17 C 09 40 31.951 +04 46 56.10 L F51
2016-11-14 15:15:14 C 09 40 35.433 +04 46 15.96 L F51
2016-11-16 04:25:27 C 09 54 06.33 +02 13 35.2 q 160
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)