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
2019-08-13 16:31:41 S 16 51 05.626 +01 49 24.85 L C51
2019-08-13 21:14:26 S 16 51 34.89 +01 45 40.2 L C51
2019-08-13 22:48:30 S 16 51 44.72 +01 44 28.0 L C51
2019-08-14 01:57:00 S 16 52 04.31 +01 41 59.1 L C51
2019-08-14 05:05:19 S 16 52 23.81 +01 39 33.5 L C51
2019-08-14 08:13:38 S 16 52 43.32 +01 37 05.9 L C51
2019-08-14 17:38:57 S 16 53 41.70 +01 29 48.1 L C51
2019-08-14 20:47:17 S 16 54 01.16 +01 27 23.0 L C51
2019-08-14 23:55:35 S 16 54 20.48 +01 24 57.9 L C51
2019-08-15 03:04:06 S 16 54 39.79 +01 22 34.5 L C51
2019-08-18 07:25:59 C 17 02 22.360 +00 25 51.97 U F52
2019-08-18 07:43:35 C 17 02 24.044 +00 25 39.29 U F52
2019-08-18 08:18:49 C 17 02 27.434 +00 25 13.91 U F52
2025-06-28 14:14:54 C 01 32 51.143 +19 40 38.91 X F52
2025-06-28 14:26:03 C 01 32 52.183 +19 40 45.42 X F52
2025-06-28 14:31:40 C 01 32 52.714 +19 40 48.97 X F52
2025-08-13 14:33:20 C 03 25 50.757 +28 42 53.67 X F51
2025-08-13 14:40:34 C 03 25 51.590 +28 42 56.37 X F51
2025-08-13 14:47:51 C 03 25 52.390 +28 42 58.79 X F51
2025-08-13 14:55:05 C 03 25 53.198 +28 43 01.78 X F51
2025-10-03 10:32:01 C 06 21 38.840 +29 33 53.96 V G96
2025-10-03 10:39:34 C 06 21 40.244 +29 33 50.33 V G96
2025-10-03 10:47:06 C 06 21 41.652 +29 33 46.37 V G96
2025-10-03 10:54:38 C 06 21 43.042 +29 33 42.23 V G96
2025-10-16 20:42:50 C 07 28 49.120 +24 57 52.95 W O18
2025-10-16 20:44:23 C 07 28 49.476 +24 57 51.04 W O18
2025-10-19 11:55:54 C 07 43 29.370 +23 34 38.06 V 703
2025-10-19 11:59:14 C 07 43 30.097 +23 34 34.10 V 703
2025-10-19 12:02:33 C 07 43 30.907 +23 34 29.39 V 703
2025-10-19 12:07:35 C 07 43 31.991 +23 34 22.15 V 703
2025-10-19 13:53:56 C 07 43 57.624 +23 31 54.44 V T05
2025-10-19 14:00:22 C 07 43 59.071 +23 31 45.62 V T05
2025-10-19 14:08:13 C 07 44 00.866 +23 31 35.33 V T05
2025-10-19 14:25:25 C 07 44 04.872 +23 31 10.96 V T05
2025-10-20 10:29:14 C 07 48 51.282 +23 02 08.74 V 703
2025-10-20 10:32:36 C 07 48 51.988 +23 02 04.34 V 703
2025-10-20 10:35:57 C 07 48 52.769 +23 02 00.06 V 703
2025-10-20 10:39:19 C 07 48 53.500 +23 01 54.16 V 703
2025-10-21 03:49:43 C 07 53 01.022 +22 36 12.92 V R17
2025-10-21 04:10:05 C 07 53 05.854 +22 35 42.00 V R17
2025-10-21 04:30:28 C 07 53 10.714 +22 35 11.94 V R17
2025-10-21 04:50:50 C 07 53 15.470 +22 34 41.16 V R17
2025-10-26 11:42:00 C 08 24 49.208 +18 56 38.87 V 703
2025-10-26 11:45:15 C 08 24 50.029 +18 56 31.85 V 703
2025-10-26 11:48:29 C 08 24 50.810 +18 56 25.40 V 703
2025-10-26 11:51:44 C 08 24 51.628 +18 56 19.10 V 703
2025-10-26 21:05:31 C 08 27 14.108 +18 38 27.30 W O18
2025-10-26 22:30:34 C 08 27 35.611 +18 35 42.67 W O18
2025-10-27 10:21:30 C 08 30 39.715 +18 12 25.09 V 703
2025-10-27 10:24:50 C 08 30 40.504 +18 12 18.40 V 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)