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
2015-07-14 20:38:29 C 12 52 46.10 +11 10 34.3 q 160
2015-07-14 20:39:14 C 12 52 46.16 +11 10 45.2 q 160
2015-07-17 21:00:15 C 13 07 39.01 +36 02 34.9 q C23
2015-07-17 21:03:12 C 13 07 39.74 +36 03 51.4 q C23
2015-07-17 21:06:11 C 13 07 40.57 +36 05 07.9 q C23
2015-07-17 21:08:38 C 13 07 41.24 +36 06 11.4 q C23
2015-07-17 23:17:31 C 13 08 20.85 +37 02 13.6 q J69
2015-07-17 23:55:02 C 13 08 33.76 +37 18 31.1 q J69
2015-07-17 23:58:59 C 13 08 35.17 +37 20 14.3 q J69
2015-07-18 00:02:57 C 13 08 36.60 +37 21 57.6 q J69
2015-07-18 20:51:02 C 13 17 20.98 +47 12 23.9 o C77
2015-07-18 20:52:03 C 13 17 21.41 +47 12 52.7 o C77
2015-07-18 20:53:08 C 13 17 21.87 +47 13 23.2 o C77
2015-07-18 20:54:12 C 13 17 22.33 +47 13 53.4 o C77
2015-07-18 20:55:17 C 13 17 22.78 +47 14 23.9 o C77
2015-07-19 03:45:11 C 13 21 09.10 +50 35 37.9 P V78
2015-07-19 03:53:02 C 13 21 13.12 +50 39 21.4 P V78
2015-07-19 04:00:53 C 13 21 17.11 +50 43 06.9 P V78
2015-07-19 19:59:32 C 13 32 55.17 +58 38 16.8 t L04
2015-07-19 20:02:32 C 13 32 57.50 +58 39 41.7 t L04
2015-07-19 20:05:33 C 13 32 59.85 +58 41 07.5 t L04
2015-07-19 20:08:34 C 13 33 02.20 +58 42 33.5 t L04
2015-07-19 20:11:36 C 13 33 04.61 +58 43 59.4 t L04
2015-07-19 20:15:41 C 13 33 07.81 +58 45 55.1 t L04
2015-07-19 21:05:08 C 13 33 51.49 +59 11 44.2 q K14
2015-07-19 21:17:38 C 13 34 01.23 +59 17 38.2 q K14
2015-07-19 21:27:33 C 13 34 09.01 +59 22 17.8 q K14
2015-07-19 21:34:07 C 13 34 13.65 +59 24 10.6 B38
2015-07-19 21:36:36 C 13 34 15.71 +59 25 20.5 B38
2015-07-19 21:37:47 C 13 34 17.20 +59 27 05.9 q K14
2015-07-19 21:39:00 C 13 34 17.83 +59 26 28.1 B38
2015-07-19 21:42:28 C 13 34 20.76 +59 28 05.9 B38
2015-07-19 21:46:45 C 13 34 24.36 +59 30 05.7 B38
2015-07-19 21:47:49 C 13 34 25.49 +59 31 48.5 q K14
2015-07-19 22:07:53 C 13 34 50.97 +59 39 58.6 q C23
2015-07-19 22:08:52 C 13 34 51.83 +59 40 26.4 q C23
2015-07-19 22:10:05 C 13 34 52.90 +59 41 01.1 q C23
2015-07-19 22:11:19 C 13 34 53.95 +59 41 35.7 q C23
2015-07-19 22:12:33 C 13 34 55.06 +59 42 10.6 q C23
2015-07-19 22:13:47 C 13 34 56.12 +59 42 45.2 q C23
2015-07-19 22:15:00 C 13 34 57.21 +59 43 20.1 q C23
2015-07-19 22:16:14 C 13 34 58.31 +59 43 54.7 q C23
2015-07-19 22:17:28 C 13 34 59.38 +59 44 29.4 q C23
2015-07-19 22:18:41 C 13 35 00.46 +59 45 03.9 q C23
2015-07-20 02:57:46 C 13 39 43.50 +62 03 58.5 q W19
2015-07-20 03:02:37 C 13 39 48.01 +62 06 14.3 q W19
2015-07-20 03:07:11 C 13 39 52.27 +62 08 21.0 q W19
2015-07-20 03:11:57 C 13 39 56.80 +62 10 35.1 q W19
2015-07-20 03:16:01 C 13 40 02.63 +62 14 56.9 q V59
2015-07-20 03:16:39 C 13 40 01.30 +62 12 46.9 q W19
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)