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
2017-10-11 23:57:25 C 23 09 17.55 +19 53 59.9 U J27
2017-10-12 00:05:31 C 23 09 16.82 +19 53 49.1 U J27
2017-10-13 05:36:41 C 23 06 42.68 +19 12 59.8 U 703
2017-10-13 05:43:51 C 23 06 42.06 +19 12 50.1 U 703
2017-10-13 05:51:00 C 23 06 41.37 +19 12 40.2 U 703
2017-10-13 05:58:11 C 23 06 40.73 +19 12 29.9 U 703
2017-10-14 05:15:06 C 23 04 43.56 +18 39 56.3 U G96
2017-10-14 05:23:35 C 23 04 42.82 +18 39 44.4 U G96
2017-10-14 05:32:00 C 23 04 42.08 +18 39 32.6 U G96
2017-10-14 05:38:47 C 23 04 41.48 +18 39 23.0 U G96
2017-10-14 19:55:57 C 23 03 31.91 +18 19 11.6 q 046
2017-10-14 20:02:25 C 23 03 31.36 +18 19 02.4 q 046
2017-10-14 20:03:22 C 23 03 31.26 +18 19 01.7 q 046
2017-10-14 20:04:13 C 23 03 31.17 +18 18 59.5 q 046
2017-10-14 20:05:06 C 23 03 31.11 +18 18 59.3 q 046
2017-10-14 20:06:02 C 23 03 31.02 +18 18 58.4 q 046
2017-10-14 23:52:48 C 23 03 13.54 +18 13 40.9 U W34
2017-10-15 00:14:18 C 23 03 11.72 +18 13 10.8 U W34
2017-10-15 00:37:03 C 23 03 09.82 +18 12 39.3 U W34
2017-10-15 05:57:02 C 23 02 43.22 +18 05 09.6 o 691
2017-10-15 06:12:44 C 23 02 41.91 +18 04 47.4 o 691
2017-10-15 06:28:13 C 23 02 40.60 +18 04 25.5 o 691
2017-10-15 18:38:57 C 23 01 44.22 +17 47 06.1 q 151
2017-10-15 18:40:31 C 23 01 44.10 +17 47 04.1 q 151
2017-10-15 18:42:05 C 23 01 43.97 +17 47 02.2 q 151
2017-10-15 18:43:41 C 23 01 43.84 +17 46 59.7 q 151
2017-10-15 18:45:16 C 23 01 43.72 +17 46 57.6 q 151
2017-10-15 18:46:50 C 23 01 43.59 +17 46 55.4 q 151
2017-10-15 18:48:25 C 23 01 43.46 +17 46 53.2 q 151
2017-10-16 04:30:23 C 23 00 58.15 +17 33 14.5 U 703
2017-10-16 04:33:27 C 23 00 57.91 +17 33 10.6 o 691
2017-10-16 04:38:04 C 23 00 57.53 +17 33 03.7 U 703
2017-10-16 04:45:46 C 23 00 56.88 +17 32 52.4 U 703
2017-10-16 04:52:52 C 23 00 56.41 +17 32 42.7 o 691
2017-10-16 04:53:28 C 23 00 56.32 +17 32 42.4 U 703
2017-10-16 05:12:38 C 23 00 54.70 +17 32 14.9 o 691
2017-10-16 20:30:15 C 22 59 45.73 +17 10 28.9 q 160
2017-10-16 20:33:13 C 22 59 45.48 +17 10 24.8 q 160
2017-10-16 20:36:10 C 22 59 45.26 +17 10 20.7 q 160
2017-10-16 21:47:27 C 22 59 39.68 +17 08 38.5 U 130
2017-10-16 21:49:39 C 22 59 39.44 +17 08 35.1 U 130
2017-10-16 21:52:37 C 22 59 39.26 +17 08 31.0 U 130
2017-10-16 21:54:52 C 22 59 39.09 +17 08 27.9 U 130
2017-10-18 20:09:10 C 22 56 22.61 +16 02 46.6 q 160
2017-10-18 20:11:48 C 22 56 22.43 +16 02 43.1 q 160
2017-10-18 20:14:24 C 22 56 22.23 +16 02 39.5 q 160
2017-10-18 23:42:39 C 22 56 08.70 +15 57 42.3 U W71
2017-10-18 23:49:32 C 22 56 08.21 +15 57 32.6 U W71
2017-10-18 23:52:54 C 22 56 08.04 +15 57 27.8 U W71
2017-10-18 23:55:58 C 22 56 07.79 +15 57 23.9 U W71
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)