436724 (2011 UW158)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3766978695 ± 2.47e-09
Semi-major axis (a)1.6204979066 AU ± 5.89e-09
Inclination (i)4.57321637° ± 5.02e-07
Long. of Asc. Node (Ω)285.94058559° ± 1.41e-06
Arg. of Perihelion (ω)8.82944524° ± 2.36e-06
Mean Anomaly (M)5.21917126° ± 9.63e-06
Mean Motion (n)0.4777927601°/day ± 2.61e-09
Perihelion dist (q)1.01005980 AU ± 5.43e-09
Aphelion dist (Q)2.23093602 AU ± 9.04e-09
Orbital Period2.06287404 yr ± 1.13e-08
Physical Parameters
H (abs. magnitude)19.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.283″
Uncertainty0
Orbit TypeApollo
MOID0.004183 AU
Observations Used906
Radar Obs Used8
Oppositions2
Arc Total2011-2025
First Observation Used2011-10-25
Last Observation Used2025-03-03
Observations (957)
Date Type RA Dec Mag Band Observatory
2015-08-01 01:33:59 C 00 12 50.12 +53 13 59.0 17.2 u 104
2015-08-01 02:30:46 C 00 12 51.31 +53 10 28.3 16.7 u 104
2015-08-01 04:47:42 C 00 13 17.96 +52 59 48.1 q U69
2015-08-01 04:51:48 C 00 13 18.37 +52 59 35.0 q U69
2015-08-01 04:56:02 C 00 13 18.77 +52 59 20.9 q U69
2015-08-01 07:49:18 C 00 13 23.29 +52 50 39.1 u H21
2015-08-01 07:51:15 C 00 13 23.33 +52 50 32.3 u H21
2015-08-01 07:53:13 C 00 13 23.34 +52 50 25.6 u H21
2015-08-01 08:03:12 C 00 13 23.55 +52 49 50.7 u H21
2015-08-01 09:03:42 C 00 13 24.36 +52 46 15.5 u H21
2015-08-01 09:06:59 C 00 13 24.41 +52 46 03.6 u H21
2015-08-01 09:09:43 C 00 13 24.42 +52 45 53.8 u H21
2015-08-01 09:12:28 C 00 13 24.47 +52 45 43.7 u H21
2015-08-01 09:15:12 C 00 13 24.50 +52 45 33.8 u H21
2015-08-01 09:17:56 C 00 13 24.53 +52 45 23.9 u H21
2015-08-01 09:20:40 C 00 13 24.56 +52 45 14.0 u H21
2015-08-01 09:23:24 C 00 13 24.59 +52 45 04.0 u H21
2015-08-01 09:26:08 C 00 13 24.62 +52 44 53.9 u H21
2015-08-01 09:28:52 C 00 13 24.64 +52 44 44.1 u H21
2015-08-01 09:31:19 C 00 13 24.69 +52 44 35.0 u H21
2015-08-01 09:33:47 C 00 13 24.70 +52 44 26.0 u H21
2015-08-01 09:36:31 C 00 13 24.75 +52 44 16.0 u H21
2015-08-01 09:38:59 C 00 13 24.77 +52 44 06.9 u H21
2015-08-02 09:03:02 C 00 15 09.62 +51 23 46.9 u H21
2015-08-02 09:05:48 C 00 15 09.61 +51 23 38.1 u H21
2015-08-02 09:08:34 C 00 15 09.62 +51 23 29.4 u H21
2015-08-02 09:11:19 C 00 15 09.62 +51 23 20.5 u H21
2015-08-02 09:14:05 C 00 15 09.62 +51 23 11.6 u H21
2015-08-02 09:19:36 C 00 15 09.67 +51 22 53.9 u H21
2015-08-02 09:22:22 C 00 15 09.65 +51 22 45.2 u H21
2015-08-02 09:25:07 C 00 15 09.66 +51 22 36.4 u H21
2015-08-02 09:27:53 C 00 15 09.67 +51 22 27.4 u H21
2015-08-02 09:30:38 C 00 15 09.65 +51 22 18.5 u H21
2015-08-02 09:33:23 C 00 15 09.66 +51 22 09.5 u H21
2015-08-02 09:36:03 C 00 15 09.68 +51 22 01.1 u H21
2015-08-02 09:38:46 C 00 15 09.69 +51 21 52.2 u H21
2015-08-02 09:41:14 C 00 15 09.70 +51 21 44.1 u H21
2015-08-03 07:08:52 C 00 16 35.54 +50 16 05.9 u H21
2015-08-03 07:10:50 C 00 16 35.56 +50 16 00.7 u H21
2015-08-03 07:12:48 C 00 16 35.58 +50 15 55.6 u H21
2015-08-03 07:14:46 C 00 16 35.55 +50 15 50.3 u H21
2015-08-03 07:16:43 C 00 16 35.57 +50 15 45.1 u H21
2015-08-03 07:18:41 C 00 16 35.59 +50 15 39.7 u H21
2015-08-03 07:20:38 C 00 16 35.58 +50 15 34.7 u H21
2015-08-03 07:22:36 C 00 16 35.60 +50 15 29.7 u H21
2015-08-03 07:24:34 C 00 16 35.61 +50 15 24.1 u H21
2015-08-03 07:26:31 C 00 16 35.62 +50 15 18.9 u H21
2015-08-03 07:28:29 C 00 16 35.62 +50 15 13.8 u H21
2015-08-03 07:30:27 C 00 16 35.63 +50 15 08.6 u H21
2015-08-03 07:32:24 C 00 16 35.64 +50 15 03.2 u H21
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-07-13 23:20:00 25448571.987 10 us 8560 -14 -14
2015-07-13 23:30:00 25429561.936 1 us 8560 -14 -14
2015-07-13 23:50:00 25391738.755 0.2 us 8560 -14 -14
2015-07-14 21:07:00 23131754.44 4 us 2380 -1 -1
2015-07-14 21:44:00 23068451.37 0.5 us 2380 -1 -1
2015-07-17 00:00:00 18689788.228 0.5 us 8560 -14 -14
2015-07-18 19:30:00 16618701.731 0.5 us 8560 -14 -14
2015-07-26 11:10:00 28804724.53 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)