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
2015-07-23 00:39:29 C 20 11 51.50 +82 45 47.0 q C23
2015-07-23 00:41:56 C 20 12 14.41 +82 45 28.8 q C23
2015-07-23 00:44:23 C 20 12 37.18 +82 45 10.8 q C23
2015-07-23 00:46:51 C 20 13 00.06 +82 44 53.0 q C23
2015-07-23 00:49:18 C 20 13 22.59 +82 44 34.3 q C23
2015-07-23 00:51:46 C 20 13 45.21 +82 44 15.8 q C23
2015-07-23 00:54:12 C 20 14 07.90 +82 43 57.3 q C23
2015-07-23 00:56:39 C 20 14 30.43 +82 43 38.6 q C23
2015-07-23 06:56:59 C 21 06 23.25 +81 49 28.5 P V78
2015-07-23 07:18:38 C 21 08 48.46 +81 45 36.3 P V78
2015-07-23 07:20:57 C 21 09 03.86 +81 45 10.7 P V78
2015-07-23 21:05:31 C 22 20 54.42 +78 51 28.1 q K38
2015-07-23 21:21:03 C 22 21 46.27 +78 48 18.5 q K38
2015-07-23 21:23:41 C 22 22 05.93 +78 47 27.0 q 619
2015-07-23 21:44:23 C 22 23 02.47 +78 43 31.7 q K38
2015-07-23 21:55:45 C 22 23 38.93 +78 41 11.5 q K38
2015-07-23 22:21:00 C 22 24 57.78 +78 35 58.4 q K38
2015-07-23 22:25:06 C 22 25 10.35 +78 35 07.5 q K38
2015-07-23 22:40:00 C 22 26 08.00 +78 31 53.3 q 619
2015-07-23 22:40:42 C 22 25 26.39 +78 32 48.6 14.6 q 089
2015-07-23 22:44:02 C 22 25 36.02 +78 32 05.7 15.7 q 089
2015-07-23 22:47:21 C 22 25 45.98 +78 31 23.0 16.0 q 089
2015-07-23 22:50:41 C 22 25 55.65 +78 30 39.9 15.1 q 089
2015-07-23 22:53:30 C 22 26 35.97 +78 29 12.4 q K38
2015-07-23 22:54:01 C 22 26 05.43 +78 29 56.8 14.4 q 089
2015-07-23 22:57:21 C 22 26 14.90 +78 29 13.6 14.8 q 089
2015-07-23 23:00:40 C 22 26 24.66 +78 28 30.4 14.6 q 089
2015-07-23 23:04:00 C 22 26 34.52 +78 27 47.3 15.1 q 089
2015-07-23 23:07:19 C 22 26 43.74 +78 27 04.1 15.6 q 089
2015-07-23 23:10:38 C 22 26 53.26 +78 26 21.0 14.4 q 089
2015-07-25 03:38:55 C 23 21 40.44 +72 18 39.9 P V78
2015-07-25 03:57:23 C 23 22 00.15 +72 15 19.4 P V78
2015-07-25 04:19:45 C 23 22 23.46 +72 11 18.1 P V78
2015-07-25 23:15:23 C 23 38 14.91 +68 43 59.8 c Z90
2015-07-25 23:23:48 C 23 38 19.65 +68 42 41.0 c Z90
2015-07-25 23:45:11 C 23 38 31.24 +68 39 21.2 c Z90
2015-07-25 23:55:17 C 23 38 25.70 +68 37 16.2 q C23
2015-07-25 23:57:14 C 23 38 26.69 +68 36 57.2 q C23
2015-07-25 23:59:42 C 23 38 28.03 +68 36 33.5 q C23
2015-07-26 00:02:09 C 23 38 29.31 +68 36 09.7 q C23
2015-07-26 00:04:37 C 23 38 30.62 +68 35 46.1 q C23
2015-07-26 00:07:04 C 23 38 31.90 +68 35 22.2 q C23
2015-07-26 00:09:31 C 23 38 33.16 +68 34 58.6 q C23
2015-07-26 00:11:07 C 23 38 44.72 +68 35 18.5 c Z90
2015-07-26 00:11:58 C 23 38 34.51 +68 34 35.0 q C23
2015-07-26 00:14:26 C 23 38 35.80 +68 34 11.6 q C23
2015-07-26 00:16:53 C 23 38 37.08 +68 33 47.7 q C23
2015-07-26 00:19:21 C 23 38 38.32 +68 33 23.9 q C23
2015-07-26 00:21:48 C 23 38 39.63 +68 33 00.4 q C23
2015-07-26 00:24:08 C 23 38 51.38 +68 33 14.8 c Z90
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)