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
2018-09-06 05:48:56 C 20 41 22.26 +12 03 44.0 V G96
2018-09-06 05:57:08 C 20 41 21.77 +12 03 35.6 V G96
2018-09-06 06:05:21 C 20 41 21.29 +12 03 27.0 V G96
2018-09-08 11:54:11 C 20 38 37.74 +11 08 10.6 q D29
2018-09-08 12:14:33 C 20 38 36.68 +11 07 49.7 q D29
2018-09-08 12:34:55 C 20 38 35.64 +11 07 29.6 q D29
2018-09-09 09:56:50 C 20 37 36.02 +10 45 43.6 U T05
2018-09-09 10:09:58 C 20 37 35.45 +10 45 29.5 U T05
2018-09-09 10:12:07 C 20 37 35.33 +10 45 27.4 U T05
2018-09-09 10:25:04 C 20 37 34.68 +10 45 14.5 U T05
2018-09-09 10:26:33 C 20 37 34.62 +10 45 13.0 U T05
2018-09-09 10:41:41 C 20 37 33.92 +10 44 56.6 U T05
2018-09-10 09:20:06 C 20 36 35.92 +10 21 57.9 U T05
2018-09-10 09:36:10 C 20 36 35.19 +10 21 42.2 U T05
2018-09-10 09:38:45 C 20 36 35.06 +10 21 39.1 U T05
2018-09-10 09:52:35 C 20 36 34.43 +10 21 25.2 U T05
2018-09-10 09:55:09 C 20 36 34.33 +10 21 22.5 U T05
2018-09-10 10:09:19 C 20 36 33.66 +10 21 08.1 U T05
2018-09-10 10:11:18 C 20 36 33.58 +10 21 06.2 U T05
2018-09-10 10:27:34 C 20 36 32.83 +10 20 49.5 U T05
2018-09-11 09:28:00 C 20 35 38.10 +09 57 38.9 U T08
2018-09-11 09:43:17 C 20 35 37.38 +09 57 22.8 U T08
2018-09-11 09:57:44 C 20 35 36.89 +09 57 07.1 U T08
2018-09-11 10:12:55 C 20 35 36.15 +09 56 50.6 U T08
2018-09-15 09:01:35 C 20 32 33.00 +08 23 18.3 U T08
2018-09-15 09:07:44 C 20 32 32.89 +08 23 12.0 U T08
2018-09-15 09:15:52 C 20 32 32.58 +08 23 04.8 U T08
2018-09-15 09:22:09 C 20 32 32.39 +08 22 58.3 U T08
2018-09-15 09:30:16 C 20 32 32.14 +08 22 49.5 U T08
2018-09-15 09:36:23 C 20 32 31.98 +08 22 44.9 U T08
2018-09-15 09:44:46 C 20 32 31.73 +08 22 36.3 U T08
2018-09-17 09:01:28 C 20 31 25.56 +07 37 28.8 U T05
2018-09-17 09:16:04 C 20 31 25.23 +07 37 15.8 U T05
2018-09-17 09:30:29 C 20 31 24.93 +07 37 01.1 U T05
2018-09-17 09:44:53 C 20 31 24.55 +07 36 48.2 U T05
2018-09-28 02:05:27 C 20 29 49.23 +03 54 58.8 u H21
2018-09-28 02:13:44 C 20 29 49.25 +03 54 52.3 u H21
2018-09-28 02:23:26 C 20 29 49.28 +03 54 44.5 u H21
2018-09-29 06:44:34 C 20 30 03.489 +03 32 53.89 U F52
2018-09-29 06:48:33 C 20 30 03.524 +03 32 50.75 U F52
2018-09-29 07:04:21 C 20 30 03.605 +03 32 38.79 U F52
2018-09-29 07:08:15 C 20 30 03.633 +03 32 35.88 U F52
2018-09-29 07:23:57 C 20 30 03.725 +03 32 23.71 U F52
2018-09-29 07:27:53 C 20 30 03.753 +03 32 20.79 U F52
2018-09-29 07:47:28 C 20 30 03.883 +03 32 05.77 U F52
2018-09-30 12:38:32 C 20 30 23.23 +03 10 19.5 q D29
2018-09-30 12:58:53 C 20 30 23.43 +03 10 04.4 q D29
2018-09-30 13:19:15 C 20 30 23.63 +03 09 49.5 q D29
2018-10-15 07:30:22 C 20 39 55.95 -00 30 48.6 U T05
2018-10-15 07:44:38 C 20 39 56.50 -00 30 56.8 U T05
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)