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
2017-11-17 05:33:27 S 22 42 21.49 +02 13 48.5 L C51
2017-11-17 08:41:57 S 22 42 25.60 +02 11 10.4 L C51
2017-11-19 03:05:11 C 22 43 26.63 +01 36 31.8 U 703
2017-11-19 03:12:55 C 22 43 26.80 +01 36 25.5 U 703
2017-11-19 03:20:38 C 22 43 26.91 +01 36 19.5 U 703
2017-11-19 03:28:22 C 22 43 27.08 +01 36 13.3 U 703
2017-11-23 03:26:31 C 22 46 21.25 +00 24 20.0 U 703
2017-11-23 03:35:56 C 22 46 21.57 +00 24 13.9 U 703
2017-11-23 03:45:13 C 22 46 21.84 +00 24 06.6 U 703
2017-11-23 03:54:30 C 22 46 22.18 +00 24 00.1 U 703
2017-11-24 01:29:34 C 22 47 08.35 +00 08 58.7 U G96
2017-11-24 01:37:01 C 22 47 08.59 +00 08 53.5 U G96
2017-11-24 01:44:30 C 22 47 08.83 +00 08 48.4 U G96
2017-11-24 01:51:59 C 22 47 09.06 +00 08 43.3 U G96
2017-11-25 01:29:13 C 22 48 01.68 -00 07 14.7 U G96
2017-11-25 01:36:52 C 22 48 01.93 -00 07 19.7 U G96
2017-11-25 01:44:30 C 22 48 02.19 -00 07 24.9 U G96
2017-11-25 01:52:08 C 22 48 02.52 -00 07 28.6 U G96
2017-12-09 03:07:54 C 23 04 39.53 -03 09 57.5 U 703
2017-12-09 03:15:34 C 23 04 39.96 -03 10 00.9 U 703
2017-12-09 03:23:16 C 23 04 40.38 -03 10 04.4 U 703
2017-12-09 03:30:57 C 23 04 40.80 -03 10 07.3 U 703
2017-12-09 06:10:03 C 23 04 50.20 -03 11 13.0 U T08
2017-12-09 06:12:42 C 23 04 50.38 -03 11 14.7 U T08
2017-12-09 06:20:04 C 23 04 50.78 -03 11 17.5 U T08
2017-12-09 06:30:04 C 23 04 51.36 -03 11 22.5 U T08
2017-12-09 06:32:45 C 23 04 51.39 -03 11 22.5 U T08
2017-12-09 06:42:42 C 23 04 52.06 -03 11 27.2 U T08
2017-12-15 02:31:34 C 23 13 36.51 -04 07 03.1 U 703
2017-12-15 02:46:43 C 23 13 37.47 -04 07 09.6 U 703
2017-12-15 02:54:18 C 23 13 37.98 -04 07 11.4 U 703
2018-01-06 05:13:07 C 23 52 27.079 -06 47 16.69 U F51
2018-01-06 05:20:32 C 23 52 27.622 -06 47 18.80 U F51
2018-01-06 05:27:56 C 23 52 28.159 -06 47 20.93 U F51
2018-01-06 05:35:21 C 23 52 28.707 -06 47 23.04 U F51
2018-01-13 02:19:12 C 00 05 05.36 -07 37 53.5 U 703
2018-01-13 02:27:25 C 00 05 05.99 -07 37 55.6 U 703
2018-01-13 02:36:07 C 00 05 06.60 -07 37 59.2 U 703
2018-01-13 02:44:19 C 00 05 07.22 -07 37 59.8 U 703
2018-01-14 01:51:28 C 00 06 51.63 -07 45 43.6 U 703
2018-01-14 01:59:14 C 00 06 52.26 -07 45 45.6 U 703
2018-01-14 02:14:48 C 00 06 53.36 -07 45 53.5 U 703
2018-01-16 01:55:32 C 00 10 26.23 -08 02 34.7 U 703
2018-01-16 02:03:59 C 00 10 26.77 -08 02 37.8 U 703
2018-01-16 02:12:26 C 00 10 27.43 -08 02 40.6 U 703
2018-01-16 02:20:52 C 00 10 28.00 -08 02 43.5 U 703
2018-05-15 10:42:34 C 22 29 02.97 +01 09 34.6 U 703
2018-05-15 10:51:27 C 22 29 03.41 +01 09 43.5 U 703
2018-05-15 10:55:53 C 22 29 03.54 +01 09 48.5 U 703
2018-05-16 10:39:58 C 22 30 04.11 +01 33 45.5 U 703
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)