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
2017-10-19 07:39:11 C 22 55 35.43 +15 46 29.1 U 703
2017-10-19 07:51:02 C 22 55 34.63 +15 46 12.3 U 703
2017-10-19 08:15:17 C 22 55 32.98 +15 45 37.3 U 703
2017-10-19 08:26:09 C 22 55 32.88 +15 45 28.7 T08
2017-10-19 08:40:24 C 22 55 31.86 +15 45 08.6 T08
2017-10-19 08:56:55 C 22 55 30.70 +15 44 44.3 T08
2017-10-19 09:06:14 C 22 55 30.05 +15 44 31.2 T08
2017-10-20 20:33:11 C 22 53 15.65 +14 54 13.3 q 160
2017-10-20 20:36:12 C 22 53 15.46 +14 54 08.8 q 160
2017-10-20 20:39:14 C 22 53 15.26 +14 54 04.3 q 160
2017-10-20 23:40:45 C 22 53 04.90 +14 49 47.9 U W71
2017-10-20 23:47:24 C 22 53 04.44 +14 49 38.7 U W71
2017-10-20 23:50:22 C 22 53 04.31 +14 49 33.8 U W71
2017-10-21 04:38:15 C 22 52 46.39 +14 42 53.3 U 703
2017-10-21 04:45:57 C 22 52 45.89 +14 42 42.5 U 703
2017-10-21 04:53:38 C 22 52 45.41 +14 42 31.3 U 703
2017-10-21 05:01:24 C 22 52 44.87 +14 42 20.1 U 703
2017-10-22 03:30:38 C 22 51 27.06 +14 10 45.7 U G96
2017-10-22 03:38:11 C 22 51 26.60 +14 10 35.1 U G96
2017-10-22 03:45:39 C 22 51 26.14 +14 10 24.7 U G96
2017-10-22 03:53:08 C 22 51 25.68 +14 10 14.3 U G96
2017-10-23 08:45:16 C 22 49 51.07 +13 30 04.5 T08
2017-10-23 08:58:57 C 22 49 50.30 +13 29 44.1 T08
2017-10-23 09:02:00 C 22 49 50.10 +13 29 41.0 T08
2017-10-23 09:12:20 C 22 49 49.48 +13 29 25.9 T08
2017-10-23 20:55:57 C 22 49 13.88 +13 13 05.4 q 160
2017-10-23 20:59:21 C 22 49 13.73 +13 13 00.2 q 160
2017-10-23 21:01:47 C 22 49 13.60 +13 12 56.8 q 160
2017-10-24 03:33:14 C 22 48 54.12 +13 03 59.6 q H45
2017-10-24 03:34:39 C 22 48 54.02 +13 03 57.7 q H45
2017-10-24 03:35:58 C 22 48 53.96 +13 03 56.4 q H45
2017-10-24 03:37:17 C 22 48 53.88 +13 03 54.5 q H45
2017-10-24 03:38:45 C 22 48 53.82 +13 03 52.2 q H45
2017-10-24 03:40:12 C 22 48 53.74 +13 03 50.0 q H45
2017-10-24 19:43:43 C 22 48 07.56 +12 41 45.3 q 160
2017-10-24 19:46:07 C 22 48 07.41 +12 41 41.7 q 160
2017-10-24 19:48:31 C 22 48 07.29 +12 41 38.6 q 160
2017-10-26 20:40:30 C 22 45 59.69 +11 35 38.2 18.3 u J43
2017-10-26 20:52:47 C 22 45 59.13 +11 35 22.0 18.4 u J43
2017-10-26 21:04:56 C 22 45 58.58 +11 35 05.8 18.5 u J43
2017-10-26 21:17:04 C 22 45 58.03 +11 34 49.5 18.5 u J43
2017-10-27 03:30:03 C 22 45 43.50 +11 26 32.2 U 703
2017-10-27 03:37:43 C 22 45 43.18 +11 26 21.9 U 703
2017-10-27 03:45:22 C 22 45 42.78 +11 26 11.8 U 703
2017-10-27 03:53:00 C 22 45 42.51 +11 26 02.0 U 703
2017-10-27 08:09:00 C 22 45 32.17 +11 20 25.7 T08
2017-10-27 08:22:49 C 22 45 31.56 +11 20 07.1 T08
2017-10-27 08:37:01 C 22 45 30.93 +11 19 48.3 T08
2017-10-27 08:59:47 C 22 45 29.94 +11 19 18.0 T08
2017-10-27 11:41:06 C 22 45 24.75 +11 15 40.9 q D29
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)