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
2018-08-06 04:02:01 C 21 49 58.11 +21 51 45.9 V W71
2018-08-06 04:05:08 C 21 49 57.80 +21 51 45.4 V W71
2018-08-06 22:26:59 C 21 47 58.17 +21 45 56.5 q 160
2018-08-06 22:30:25 C 21 47 57.73 +21 45 55.7 q 160
2018-08-06 22:34:13 C 21 47 57.34 +21 45 54.8 q 160
2018-08-07 12:41:04 C 21 46 24.17 +21 41 09.9 U T08
2018-08-07 12:57:10 C 21 46 22.29 +21 41 03.7 U T08
2018-08-07 13:09:14 C 21 46 20.93 +21 40 59.4 U T08
2018-08-07 13:23:55 C 21 46 19.28 +21 40 53.5 U T08
2018-08-08 08:15:57 C 21 44 16.11 +21 33 46.0 U I41
2018-08-08 08:17:20 C 21 44 15.95 +21 33 45.4 U I41
2018-08-08 08:58:24 C 21 44 11.26 +21 33 29.2 U I41
2018-08-08 08:59:48 C 21 44 11.09 +21 33 28.8 U I41
2018-08-11 03:29:45 C 21 36 52.93 +21 03 36.4 V W71
2018-08-11 03:32:42 C 21 36 52.60 +21 03 34.5 V W71
2018-08-11 03:38:56 C 21 36 51.91 +21 03 31.1 V W71
2018-08-11 03:41:53 C 21 36 51.58 +21 03 30.2 V W71
2018-08-11 03:44:48 C 21 36 51.20 +21 03 29.2 V W71
2018-08-11 12:01:15 C 21 35 55.80 +20 59 23.6 U T08
2018-08-11 12:11:37 C 21 35 54.64 +20 59 17.8 U T08
2018-08-11 12:26:28 C 21 35 52.90 +20 59 09.7 U T08
2018-08-11 12:40:23 C 21 35 51.30 +20 59 02.5 U T08
2018-08-14 14:44:19 C 21 27 46.88 +20 16 08.8 q D29
2018-08-14 15:04:41 C 21 27 44.59 +20 15 55.7 q D29
2018-08-14 15:25:03 C 21 27 42.28 +20 15 43.0 q D29
2018-08-17 01:47:41 C 21 21 28.30 +19 35 57.8 V W71
2018-08-17 01:50:49 C 21 21 27.89 +19 35 55.8 V W71
2018-08-17 01:59:56 C 21 21 26.93 +19 35 49.2 V W71
2018-08-17 02:03:53 C 21 21 26.53 +19 35 46.1 V W71
2018-08-17 02:06:59 C 21 21 26.16 +19 35 44.4 V W71
2018-08-20 03:12:04 C 21 13 53.78 +18 39 33.6 V W71
2018-08-20 03:15:40 C 21 13 53.37 +18 39 31.1 V W71
2018-08-20 03:21:35 C 21 13 52.77 +18 39 25.2 V W71
2018-08-20 03:27:04 C 21 13 52.20 +18 39 22.2 V W71
2018-08-20 03:29:53 C 21 13 51.90 +18 39 19.4 V W71
2018-08-21 03:13:43 C 21 11 30.24 +18 19 42.0 V W71
2018-08-21 03:16:50 C 21 11 29.93 +18 19 39.8 V W71
2018-08-21 03:29:19 C 21 11 28.64 +18 19 29.0 V W71
2018-08-21 03:40:39 C 21 11 27.45 +18 19 19.2 V W71
2018-08-21 03:44:47 C 21 11 27.06 +18 19 15.5 V W71
2018-08-22 11:18:18 C 21 08 22.420 +17 52 18.04 U F51
2018-08-22 11:36:37 C 21 08 20.565 +17 52 02.09 U F51
2018-08-22 11:54:58 C 21 08 18.735 +17 51 45.79 U F51
2018-08-29 20:51:07 C 20 53 00.20 +15 04 27.4 V C95
2018-08-29 20:59:16 C 20 52 59.48 +15 04 19.2 V C95
2018-09-04 09:49:24 C 20 43 53.03 +12 49 06.6 U T08
2018-09-04 10:05:23 C 20 43 52.02 +12 48 51.2 U T08
2018-09-04 10:21:19 C 20 43 51.02 +12 48 34.3 U T08
2018-09-04 10:37:16 C 20 43 50.01 +12 48 18.0 U T08
2018-09-06 05:40:44 C 20 41 22.73 +12 03 52.5 V G96
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)