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
2016-11-16 04:27:20 C 09 54 06.94 +02 13 26.9 q 160
2016-11-16 04:29:05 C 09 54 07.55 +02 13 19.2 q 160
2017-08-25 00:45:08 C 00 47 36.36 +29 36 18.9 c B54
2017-08-25 00:46:52 C 00 47 36.24 +29 36 19.6 c B54
2017-08-25 00:53:40 C 00 47 36.00 +29 36 22.5 c B54
2017-09-01 12:30:14 C 00 40 06.27 +30 15 29.8 L T08
2017-09-01 12:49:07 C 00 40 05.17 +30 15 31.6 L T08
2017-09-01 12:51:17 C 00 40 05.07 +30 15 32.7 L T08
2017-09-01 12:53:38 C 00 40 04.98 +30 15 32.8 L T08
2017-09-11 12:09:11 C 00 23 44.00 +30 10 47.4 L T05
2017-09-11 12:23:52 C 00 23 42.69 +30 10 43.9 L T05
2017-09-11 12:25:14 C 00 23 42.56 +30 10 43.9 L T05
2017-09-11 12:29:56 C 00 23 42.13 +30 10 43.2 L T05
2017-09-17 11:00:16 C 00 10 42.36 +29 26 12.3 L T08
2017-09-17 11:12:07 C 00 10 41.10 +29 26 07.6 L T08
2017-09-17 11:15:27 C 00 10 40.77 +29 26 06.0 L T08
2017-09-17 11:38:04 C 00 10 38.41 +29 25 55.6 L T08
2017-09-18 06:41:49 C 00 08 45.34 +29 17 05.8 q 703
2017-09-18 06:49:27 C 00 08 44.59 +29 17 02.4 q 703
2017-09-18 06:57:05 C 00 08 43.77 +29 16 58.9 q 703
2017-09-18 07:04:44 C 00 08 42.93 +29 16 55.4 q 703
2017-09-19 15:08:07 C 00 05 26.287 +29 00 34.32 L F51
2017-09-19 15:19:42 C 00 05 25.077 +29 00 27.61 L F51
2017-09-21 22:57:52 C 23 59 37.11 +28 27 20.6 q 160
2017-09-21 23:00:51 C 23 59 36.77 +28 27 18.8 q 160
2017-09-21 23:03:50 C 23 59 36.44 +28 27 16.8 q 160
2017-09-23 03:13:48 C 23 56 35.84 +28 08 11.8 U W71
2017-09-23 03:19:56 C 23 56 35.14 +28 08 07.2 U W71
2017-09-23 03:25:00 C 23 56 34.62 +28 08 03.9 U W71
2017-09-23 03:29:30 C 23 56 34.14 +28 08 00.5 U W71
2017-09-23 10:38:32 C 23 55 47.31 +28 03 03.0 L T05
2017-09-23 10:56:00 C 23 55 45.32 +28 02 50.8 L T05
2017-09-23 10:58:47 C 23 55 44.98 +28 02 48.8 L T05
2017-09-23 11:22:12 C 23 55 42.33 +28 02 31.4 L T05
2017-09-24 03:39:10 C 23 53 57.09 +27 50 24.0 U W71
2017-09-24 03:48:02 C 23 53 56.07 +27 50 17.5 U W71
2017-09-24 03:52:18 C 23 53 55.58 +27 50 14.3 U W71
2017-09-24 07:39:21 C 23 53 30.54 +27 47 26.3 q 703
2017-09-24 07:47:11 C 23 53 29.70 +27 47 20.5 q 703
2017-09-24 07:55:05 C 23 53 28.72 +27 47 14.3 q 703
2017-09-24 08:03:02 C 23 53 27.82 +27 47 08.0 q 703
2017-09-25 03:41:51 C 23 51 19.68 +27 31 43.7 U W71
2017-09-25 03:46:17 C 23 51 19.16 +27 31 40.4 U W71
2017-09-25 08:11:18 C 23 50 50.575 +27 28 14.94 L F51
2017-09-25 08:27:20 C 23 50 48.731 +27 28 02.21 L F51
2017-09-25 08:59:45 C 23 50 44.995 +27 27 36.38 L F51
2017-09-25 10:16:47 C 23 50 36.10 +27 26 33.9 L T08
2017-09-25 10:30:13 C 23 50 34.52 +27 26 23.2 L T08
2017-09-25 10:46:12 C 23 50 32.69 +27 26 10.3 L T08
2017-09-25 10:51:20 C 23 50 32.10 +27 26 06.3 L T08
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)