2013 WT44

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5655942781 ± 5.38e-09
Semi-major axis (a)2.2637324249 AU ± 2.03e-08
Inclination (i)12.20681733° ± 1.74e-06
Long. of Asc. Node (Ω)182.64680145° ± 1.08e-06
Arg. of Perihelion (ω)325.87408241° ± 3.24e-06
Mean Anomaly (M)163.35364056° ± 1.70e-05
Mean Motion (n)0.2893840823°/day ± 3.90e-09
Perihelion dist (q)0.98337832 AU ± 1.50e-08
Aphelion dist (Q)3.54408653 AU ± 3.41e-08
Orbital Period3.40594505 yr ± 4.58e-08
Physical Parameters
H (abs. magnitude)19.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.349″
Uncertainty0
Orbit TypeApollo
MOID0.038984 AU
Observations Used516
Radar Obs Used12
Oppositions1
Arc Total2013-2023
First Observation Used2013-11-27
Last Observation Used2023-11-08
Observations (552)
Date Type RA Dec Mag Band Observatory
2013-12-07 06:37:42 C 04 08 26.88 -15 31 52.4 q 703
2013-12-09 06:11:01 C 04 05 49.72 -16 25 39.3 u 807
2013-12-09 06:14:35 C 04 05 49.52 -16 25 43.1 u 807
2013-12-09 06:18:08 C 04 05 49.28 -16 25 47.1 u 807
2013-12-09 06:21:43 C 04 05 49.06 -16 25 51.1 u 807
2013-12-09 06:25:19 C 04 05 48.86 -16 25 54.7 u 807
2013-12-14 03:18:27 C 03 59 19.72 -18 31 46.2 u 807
2013-12-14 03:22:52 C 03 59 19.45 -18 31 50.6 u 807
2013-12-14 03:33:56 C 03 59 18.78 -18 32 01.9 u 807
2013-12-21 00:44:50 C 03 50 21.90 -21 08 57.8 u 807
2013-12-21 00:50:13 C 03 50 21.59 -21 09 02.4 u 807
2013-12-21 00:55:36 C 03 50 21.27 -21 09 07.2 u 807
2013-12-21 02:59:19 C 03 50 14.13 -21 10 55.1 u 807
2013-12-21 03:07:12 C 03 50 13.67 -21 11 02.0 u 807
2013-12-21 03:15:07 C 03 50 13.21 -21 11 08.8 u 807
2013-12-22 07:51:13 C 03 48 45.209 -21 35 47.22 L F51
2013-12-22 08:07:44 C 03 48 44.239 -21 36 01.21 L F51
2013-12-22 08:09:20 C 03 48 44.141 -21 36 01.77 t 568
2013-12-22 08:11:03 C 03 48 44.042 -21 36 03.20 t 568
2013-12-26 04:55:13 C 03 44 11.21 -22 48 40.5 19.2 u I36
2013-12-26 05:13:38 C 03 44 10.28 -22 48 53.6 19.5 u I36
2013-12-26 05:27:06 C 03 44 09.60 -22 49 03.6 19.5 u I36
2013-12-26 07:31:08 C 03 44 05.154 -22 50 58.45 L F51
2013-12-26 07:48:31 C 03 44 04.233 -22 51 11.27 L F51
2013-12-27 12:17:00 C 03 42 45.69 -23 11 17.6 o 474
2013-12-27 12:20:02 C 03 42 45.53 -23 11 19.6 o 474
2013-12-27 12:23:04 C 03 42 45.38 -23 11 21.8 o 474
2013-12-27 12:26:08 C 03 42 45.23 -23 11 23.7 o 474
2013-12-31 04:19:41 C 03 39 05.05 -24 09 54.8 q 703
2013-12-31 04:29:52 C 03 39 04.57 -24 10 00.4 q 703
2013-12-31 04:40:02 C 03 39 04.04 -24 10 08.5 q 703
2013-12-31 04:50:11 C 03 39 03.61 -24 10 13.8 q 703
2014-01-11 07:22:52 C 03 31 32.903 -26 23 06.08 L F51
2014-01-11 07:31:23 C 03 31 32.694 -26 23 09.43 L F51
2014-01-11 07:35:38 C 03 31 32.592 -26 23 10.97 L F51
2014-01-11 07:48:27 C 03 31 32.275 -26 23 15.97 L F51
2014-01-12 00:55:36 C 03 31 16.42 -26 29 39.6 u 807
2014-01-12 00:59:12 C 03 31 16.32 -26 29 40.5 u 807
2014-01-12 01:02:49 C 03 31 16.24 -26 29 42.0 u 807
2014-01-12 01:06:25 C 03 31 16.19 -26 29 43.3 u 807
2014-01-12 01:10:01 C 03 31 16.09 -26 29 45.1 u 807
2014-01-16 06:36:15 C 03 30 10.876 -27 06 39.13 L F51
2014-01-16 06:40:32 C 03 30 10.811 -27 06 40.77 L F51
2014-01-16 06:44:48 C 03 30 10.752 -27 06 42.11 L F51
2014-01-16 06:49:05 C 03 30 10.690 -27 06 43.41 L F51
2014-01-16 06:53:21 C 03 30 10.636 -27 06 44.77 L F51
2014-01-16 06:57:37 C 03 30 10.575 -27 06 46.37 L F51
2014-01-16 07:01:54 C 03 30 10.508 -27 06 47.62 L F51
2014-01-16 07:06:10 C 03 30 10.450 -27 06 48.99 L F51
2014-01-17 06:37:39 C 03 30 03.338 -27 14 35.50 L F51
Radar Observations (12)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2014-03-20 05:20:00 -214943.316 1.5 Hz 8560 -14 -14
2014-03-20 06:00:00 34993758.74 2 us 8560 -14 -14
2014-03-20 06:30:00 35040624.37 0.75 us 8560 -14 -14
2014-03-21 05:00:00 -304135.637 1.5 Hz 8560 -14 -14
2014-03-21 05:20:00 37714257.36 2 us 8560 -14 -14
2014-03-21 05:30:00 37735784.86 1.5 us 8560 -14 -14
2014-03-21 06:00:00 37800897.11 1.25 us 8560 -14 -14
2014-03-21 06:20:00 37844760.93 1.25 us 8560 -14 -14
2014-03-22 04:50:00 -375398.566 2 Hz 8560 -14 -14
2014-03-22 06:00:00 41445251.17 1.25 us 8560 -14 -14
2014-03-22 06:40:00 41553249.94 1.25 us 8560 -14 -14
2014-03-29 06:26:00 78617942.33 1 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)