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
2018-05-16 10:47:14 C 22 30 04.36 +01 33 52.9 U 703
2018-05-16 10:54:28 C 22 30 04.72 +01 34 00.7 U 703
2018-05-16 11:01:44 C 22 30 04.99 +01 34 07.2 U 703
2018-05-24 10:35:43 C 22 37 44.39 +04 42 56.0 U 703
2018-05-24 10:51:57 C 22 37 44.98 +04 43 12.2 U 703
2018-05-24 11:00:04 C 22 37 45.16 +04 43 20.5 U 703
2018-06-10 09:31:24 C 22 49 31.81 +10 57 57.2 U 703
2018-06-10 09:38:57 C 22 49 31.86 +10 58 03.6 U 703
2018-06-10 09:54:03 C 22 49 31.92 +10 58 18.3 U 703
2018-06-11 10:21:31 C 22 49 58.30 +11 19 39.4 U G96
2018-06-11 10:27:46 C 22 49 58.39 +11 19 44.8 U G96
2018-06-11 10:34:00 C 22 49 58.50 +11 19 50.1 U G96
2018-06-11 10:40:13 C 22 49 58.57 +11 19 55.6 U G96
2018-06-14 09:16:42 C 22 51 01.34 +12 20 41.8 U 703
2018-06-14 09:24:16 C 22 51 01.47 +12 20 50.1 U 703
2018-06-14 09:39:26 C 22 51 01.75 +12 21 06.8 U 703
2018-06-20 09:09:37 C 22 52 03.55 +14 20 07.5 U 703
2018-06-20 09:24:44 C 22 52 03.63 +14 20 21.8 U 703
2018-06-20 09:32:17 C 22 52 03.60 +14 20 27.0 U 703
2018-07-22 13:51:21 C 22 23 43.09 +21 57 14.8 U T08
2018-07-22 13:58:47 C 22 23 42.49 +21 57 16.8 U T08
2018-07-22 14:00:56 C 22 23 42.27 +21 57 17.7 U T08
2018-07-22 14:11:54 C 22 23 41.40 +21 57 20.6 U T08
2018-07-22 14:16:19 C 22 23 40.97 +21 57 21.0 U T08
2018-07-22 14:26:12 C 22 23 40.15 +21 57 23.2 U T08
2018-07-22 14:32:09 C 22 23 39.65 +21 57 24.7 U T08
2018-07-30 23:06:27 C 22 05 31.22 +22 17 46.8 q 160
2018-07-30 23:10:32 C 22 05 30.85 +22 17 46.7 q 160
2018-07-30 23:14:33 C 22 05 30.37 +22 17 46.3 q 160
2018-07-31 23:47:33 C 22 03 02.11 +22 16 02.8 q 160
2018-07-31 23:51:10 C 22 03 01.74 +22 16 02.6 q 160
2018-07-31 23:54:47 C 22 03 01.39 +22 16 01.3 q 160
2018-08-03 12:51:37 C 21 56 42.37 +22 07 30.3 U T08
2018-08-03 13:07:28 C 21 56 40.60 +22 07 27.4 U T08
2018-08-03 13:30:11 C 21 56 38.09 +22 07 22.6 U T08
2018-08-03 13:39:35 C 21 56 37.08 +22 07 20.4 U T08
2018-08-03 23:35:11 C 21 55 35.03 +22 05 13.1 q 160
2018-08-03 23:38:49 C 21 55 34.62 +22 05 12.7 q 160
2018-08-03 23:42:28 C 21 55 34.20 +22 05 11.5 q 160
2018-08-04 18:33:41 C 21 53 33.28 +22 00 57.9 q D29
2018-08-04 18:54:03 C 21 53 31.00 +22 00 51.9 q D29
2018-08-05 13:06:07 C 21 51 33.84 +21 56 11.9 U T05
2018-08-05 13:08:06 C 21 51 33.54 +21 56 11.2 U T05
2018-08-05 13:12:16 C 21 51 33.17 +21 56 09.8 U T05
2018-08-05 13:29:18 C 21 51 31.21 +21 56 05.3 U T05
2018-08-05 13:29:58 C 21 51 31.14 +21 56 05.5 U T05
2018-08-05 13:40:05 C 21 51 30.02 +21 56 02.7 U T05
2018-08-05 13:40:45 C 21 51 29.91 +21 56 01.6 U T05
2018-08-05 13:57:44 C 21 51 28.03 +21 55 57.0 U T05
2018-08-06 03:58:26 C 21 49 58.53 +21 51 47.2 V 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)