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
2025-10-27 10:28:10 C 08 30 41.303 +18 12 11.56 V 703
2025-10-27 10:31:29 C 08 30 42.210 +18 12 05.40 V 703
2025-10-27 11:22:00 C 08 30 55.040 +18 10 25.28 V G96
2025-10-27 11:29:25 C 08 30 56.927 +18 10 10.42 V G96
2025-10-27 11:36:49 C 08 30 58.802 +18 09 55.98 V G96
2025-10-27 11:44:13 C 08 31 00.682 +18 09 41.36 V G96
2025-10-29 10:44:00 C 08 43 18.206 +16 32 42.11 V 703
2025-10-29 10:47:21 C 08 43 18.973 +16 32 35.74 V 703
2025-10-29 10:54:02 C 08 43 20.777 +16 32 20.51 V 703
2025-10-29 20:14:21 C 08 45 49.113 +16 12 12.47 W O18
2025-10-29 22:08:37 C 08 46 18.929 +16 08 06.20 W O18
2025-10-30 14:38:48 C 08 50 42.389 +15 31 59.34 V T05
2025-10-30 14:43:31 C 08 50 43.622 +15 31 48.86 V T05
2025-10-30 14:47:36 C 08 50 44.666 +15 31 39.36 V T05
2025-10-30 15:11:14 C 08 50 50.818 +15 30 47.52 V T05
2025-10-31 09:55:54 C 08 55 52.309 +14 48 30.60 V 703
2025-10-31 09:59:14 C 08 55 53.267 +14 48 23.62 V 703
2025-10-31 10:02:33 C 08 55 54.235 +14 48 15.59 V 703
2025-10-31 10:05:52 C 08 55 55.092 +14 48 09.58 V 703
2025-11-01 10:46:47 C 09 02 34.264 +13 51 03.78 V 703
2025-11-01 10:50:04 C 09 02 35.221 +13 50 55.82 V 703
2025-11-01 10:56:40 C 09 02 36.928 +13 50 40.45 V 703
2025-11-01 14:17:44 C 09 03 31.363 +13 42 52.52 V T08
2025-11-01 14:31:34 C 09 03 35.040 +13 42 20.12 V T08
2025-11-01 15:07:12 C 09 03 44.616 +13 40 56.06 V T08
2025-11-01 15:19:23 C 09 03 47.722 +13 40 28.52 V T08
2025-11-02 10:40:40 C 09 09 04.093 +12 54 08.06 V 703
2025-11-02 10:43:55 C 09 09 05.011 +12 54 00.54 V 703
2025-11-02 10:47:11 C 09 09 05.839 +12 53 53.88 V 703
2025-11-02 10:50:27 C 09 09 06.714 +12 53 44.81 V 703
2025-11-10 11:09:29 C 10 02 48.966 +04 28 20.57 V 703
2025-11-10 11:19:33 C 10 02 51.810 +04 27 53.68 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)