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
2017-10-27 12:06:33 C 22 45 23.66 +11 15 06.7 q D29
2017-10-27 12:32:00 C 22 45 22.57 +11 14 33.2 q D29
2017-10-27 19:55:07 C 22 45 06.36 +11 04 48.4 18.1 u J43
2017-10-27 20:07:19 C 22 45 05.85 +11 04 32.3 18.1 u J43
2017-10-27 20:19:30 C 22 45 05.35 +11 04 16.3 18.2 u J43
2017-10-27 20:31:40 C 22 45 04.83 +11 04 00.2 18.2 u J43
2017-10-29 08:21:34 C 22 43 50.84 +10 17 22.3 T05
2017-10-29 08:35:21 C 22 43 50.34 +10 17 04.3 T05
2017-10-29 08:43:42 C 22 43 50.04 +10 16 53.5 T05
2017-10-31 20:37:03 C 22 42 11.78 +09 01 14.7 U 160
2017-10-31 20:42:02 C 22 42 11.65 +09 01 08.2 U 160
2017-10-31 20:46:10 C 22 42 11.54 +09 01 02.5 U 160
2017-11-07 06:57:23 C 22 40 07.39 +06 02 30.6 U T08
2017-11-07 07:09:01 C 22 40 07.31 +06 02 17.4 U T08
2017-11-07 07:20:47 C 22 40 07.15 +06 02 04.7 U T08
2017-11-07 07:32:39 C 22 40 07.06 +06 01 52.1 U T08
2017-11-08 11:11:40 C 22 40 04.03 +05 32 18.8 q D29
2017-11-08 11:16:45 C 22 40 04.01 +05 32 13.1 q D29
2017-11-08 11:32:02 C 22 40 03.93 +05 31 57.1 q D29
2017-11-08 11:37:07 C 22 40 03.90 +05 31 51.6 q D29
2017-11-08 11:52:23 C 22 40 03.80 +05 31 35.8 q D29
2017-11-08 11:57:29 C 22 40 03.79 +05 31 30.4 q D29
2017-11-12 15:51:46 C 22 40 34.51 +03 51 41.7 q C97
2017-11-12 15:58:18 C 22 40 34.63 +03 51 31.9 q C97
2017-11-13 06:50:28 C 22 40 44.56 +03 37 35.4 U T05
2017-11-13 07:01:31 C 22 40 44.64 +03 37 25.2 U T05
2017-11-13 07:02:12 C 22 40 44.63 +03 37 24.9 U T05
2017-11-13 07:11:46 C 22 40 44.72 +03 37 15.3 U T05
2017-11-13 07:12:25 C 22 40 44.69 +03 37 15.1 U T05
2017-11-15 03:11:44 C 22 41 23.24 +02 57 08.9 U 703
2017-11-15 03:20:14 C 22 41 23.38 +02 57 01.7 U 703
2017-11-15 03:28:42 C 22 41 23.45 +02 56 53.8 U 703
2017-11-15 03:37:07 C 22 41 23.56 +02 56 46.3 U 703
2017-11-15 06:36:45 C 22 41 26.57 +02 54 09.6 U T08
2017-11-15 06:48:23 C 22 41 26.77 +02 54 01.2 U T08
2017-11-15 07:00:00 C 22 41 26.93 +02 53 51.5 U T08
2017-11-15 07:11:35 C 22 41 27.00 +02 53 40.7 U T08
2017-11-16 09:08:01 S 22 41 56.10 +02 31 08.3 L C51
2017-11-16 12:16:31 S 22 41 59.86 +02 28 27.0 L C51
2017-11-16 15:25:00 S 22 42 03.70 +02 25 45.5 L C51
2017-11-16 18:33:31 S 22 42 07.53 +02 23 06.0 L C51
2017-11-16 20:07:46 S 22 42 09.55 +02 21 46.4 L C51
2017-11-16 23:16:16 S 22 42 13.42 +02 19 05.8 L C51
2017-11-17 00:50:30 S 22 42 15.39 +02 17 46.0 L C51
2017-11-17 02:24:45 S 22 42 17.37 +02 16 28.1 L C51
2017-11-17 03:08:47 C 22 42 18.33 +02 15 42.3 U G96
2017-11-17 03:17:01 C 22 42 18.46 +02 15 35.4 U G96
2017-11-17 03:25:16 C 22 42 18.61 +02 15 28.4 U G96
2017-11-17 03:33:27 C 22 42 18.76 +02 15 21.5 U G96
2017-11-17 05:33:16 S 22 42 21.48 +02 13 49.6 L C51
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)