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
2015-07-21 21:18:12 C 15 34 30.19 +79 52 53.2 q C95
2015-07-21 21:18:54 C 15 34 34.26 +79 53 05.4 q C95
2015-07-21 21:19:35 C 15 34 38.14 +79 53 17.4 q C95
2015-07-21 21:20:15 C 15 34 42.11 +79 53 29.5 q C95
2015-07-21 21:20:57 C 15 34 46.07 +79 53 41.8 q C95
2015-07-21 21:21:37 C 15 34 50.03 +79 53 53.6 q C95
2015-07-21 21:22:20 C 15 34 54.08 +79 54 05.5 q C95
2015-07-21 21:23:00 C 15 34 58.01 +79 54 17.5 q C95
2015-07-21 21:23:42 C 15 35 02.01 +79 54 29.8 q C95
2015-07-21 21:24:22 C 15 35 05.99 +79 54 41.6 q C95
2015-07-21 21:25:04 C 15 35 09.97 +79 54 53.5 q C95
2015-07-21 21:25:44 C 15 35 14.01 +79 55 05.5 q C95
2015-07-21 21:26:26 C 15 35 17.95 +79 55 17.5 q C95
2015-07-21 21:27:06 C 15 35 21.93 +79 55 29.3 q C95
2015-07-21 21:27:48 C 15 35 25.93 +79 55 41.5 q C95
2015-07-21 21:28:28 C 15 35 29.96 +79 55 53.4 q C95
2015-07-21 21:29:09 C 15 35 33.98 +79 56 05.4 q C95
2015-07-21 21:29:51 C 15 35 37.84 +79 56 17.0 q C95
2015-07-22 20:06:25 C 19 24 45.51 +83 09 55.6 13.4 q 089
2015-07-22 20:07:15 C 19 24 54.45 +83 09 53.4 13.5 q 089
2015-07-22 20:08:05 C 19 25 03.31 +83 09 51.0 13.7 q 089
2015-07-22 20:08:55 C 19 25 12.17 +83 09 48.6 13.9 q 089
2015-07-22 20:09:44 C 19 25 21.01 +83 09 46.5 13.7 q 089
2015-07-22 20:10:35 C 19 25 30.35 +83 09 44.0 13.6 q 089
2015-07-22 20:11:24 C 19 25 38.77 +83 09 41.9 14.6 q 089
2015-07-22 20:12:13 C 19 25 48.24 +83 09 39.2 14.3 q 089
2015-07-22 23:40:35 C 20 02 32.95 +82 52 30.1 q C23
2015-07-22 23:43:02 C 20 02 56.70 +82 52 14.3 q C23
2015-07-22 23:45:29 C 20 03 20.31 +82 51 58.5 q C23
2015-07-22 23:47:56 C 20 03 44.03 +82 51 42.6 q C23
2015-07-22 23:50:23 C 20 04 07.37 +82 51 26.4 q C23
2015-07-22 23:52:51 C 20 04 31.12 +82 51 10.9 q C23
2015-07-22 23:55:18 C 20 04 54.56 +82 50 54.8 q C23
2015-07-22 23:57:46 C 20 05 18.05 +82 50 38.4 q C23
2015-07-23 00:00:12 C 20 05 41.51 +82 50 22.0 q C23
2015-07-23 00:02:40 C 20 06 04.84 +82 50 05.6 q C23
2015-07-23 00:05:07 C 20 06 28.22 +82 49 49.0 q C23
2015-07-23 00:07:35 C 20 06 51.66 +82 49 32.4 q C23
2015-07-23 00:10:02 C 20 07 15.00 +82 49 15.9 q C23
2015-07-23 00:12:29 C 20 07 38.01 +82 48 58.7 q C23
2015-07-23 00:14:56 C 20 08 01.19 +82 48 41.6 q C23
2015-07-23 00:17:23 C 20 08 24.57 +82 48 24.7 q C23
2015-07-23 00:19:51 C 20 08 47.76 +82 48 07.6 q C23
2015-07-23 00:22:18 C 20 09 10.77 +82 47 50.5 q C23
2015-07-23 00:24:46 C 20 09 33.77 +82 47 33.0 q C23
2015-07-23 00:27:12 C 20 09 56.60 +82 47 15.9 q C23
2015-07-23 00:29:40 C 20 10 19.84 +82 46 58.2 q C23
2015-07-23 00:32:07 C 20 10 42.88 +82 46 40.5 q C23
2015-07-23 00:34:35 C 20 11 05.77 +82 46 22.6 q C23
2015-07-23 00:37:02 C 20 11 28.62 +82 46 04.8 q C23
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)