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
2014-05-02 08:17:00 C 14 35 53.71 +17 00 37.0 q H45
2014-05-04 07:48:21 C 14 35 58.72 +16 44 46.5 q H45
2014-05-04 07:50:58 C 14 35 58.72 +16 44 45.3 q H45
2014-05-04 08:03:00 C 14 35 58.69 +16 44 40.8 q H45
2014-05-04 08:06:06 C 14 35 58.69 +16 44 39.5 q H45
2014-05-04 08:08:39 C 14 35 58.68 +16 44 38.6 q H45
2014-05-04 21:58:16 C 14 36 01.23 +16 39 38.6 c A53
2014-05-04 22:28:56 C 14 36 01.21 +16 39 28.6 c A53
2014-05-04 23:00:06 C 14 36 01.06 +16 39 16.4 c A53
2014-05-05 07:17:10 C 14 36 01.89 +16 36 19.4 q 703
2014-05-05 07:28:05 C 14 36 01.87 +16 36 16.1 q 703
2014-05-05 07:38:59 C 14 36 01.88 +16 36 11.8 q 703
2014-05-05 07:49:54 C 14 36 01.73 +16 36 07.3 q 703
2014-05-18 06:22:14 C 14 37 22.01 +14 13 40.6 u H21
2014-05-18 06:26:48 C 14 37 22.03 +14 13 38.0 u H21
2014-05-18 06:31:36 C 14 37 22.05 +14 13 35.6 u H21
2014-05-20 06:09:43 C 14 37 45.89 +13 48 08.8 q G96
2014-05-20 06:15:35 C 14 37 45.90 +13 48 05.7 q G96
2014-05-20 06:21:28 C 14 37 45.92 +13 48 02.3 q G96
2014-05-20 06:27:22 C 14 37 45.88 +13 47 59.2 q G96
2014-05-20 20:54:55 C 14 37 54.13 +13 40 02.4 q A13
2014-05-20 21:28:20 C 14 37 54.32 +13 39 44.3 q A13
2016-09-26 10:36:59 C 00 25 15.173 +01 44 37.31 V F51
2016-09-26 10:55:21 C 00 25 14.366 +01 44 30.68 V F51
2016-09-26 11:13:38 C 00 25 13.556 +01 44 22.47 V F51
2016-09-30 10:04:26 C 00 21 02.680 +01 03 52.09 V F51
2016-09-30 10:20:46 C 00 21 01.925 +01 03 45.26 V F51
2016-09-30 10:37:11 C 00 21 01.193 +01 03 37.87 V F51
2016-09-30 10:53:33 C 00 21 00.429 +01 03 31.01 V F51
2020-10-10 11:15:20 C 08 44 08.53 +05 40 07.0 V V06
2020-10-10 11:19:54 C 08 44 09.23 +05 40 03.4 V V06
2020-10-10 11:24:28 C 08 44 10.10 +05 39 59.4 V V06
2020-10-10 11:29:02 C 08 44 10.93 +05 39 55.6 V V06
2023-10-10 06:49:03 C 01 44 44.17 +03 20 45.3 u H21
2023-10-10 06:59:35 C 01 44 43.70 +03 20 39.8 u H21
2023-10-11 10:24:07 C 01 43 29.195 +03 05 59.54 X F51
2023-10-11 10:42:25 C 01 43 28.319 +03 05 49.75 X F51
2023-10-11 11:00:46 C 01 43 27.437 +03 05 40.14 X F51
2023-10-16 08:49:34 C 01 37 49.907 +02 01 06.54 X F51
2023-10-16 09:07:04 C 01 37 49.011 +02 00 56.82 X F51
2023-10-16 09:24:32 C 01 37 48.124 +02 00 47.12 X F51
2023-10-19 09:35:29 C 01 34 10.383 +01 20 35.40 X F51
2023-10-19 09:51:37 C 01 34 09.533 +01 20 26.51 X F51
2023-10-19 10:07:50 C 01 34 08.675 +01 20 17.36 X F51
2023-10-19 10:23:59 C 01 34 07.824 +01 20 08.25 X F51
2023-10-22 08:10:13 C 01 30 32.496 +00 41 14.69 X F51
2023-10-22 08:27:46 C 01 30 31.556 +00 41 04.98 X F51
2023-10-22 08:59:25 C 01 30 29.835 +00 40 47.19 X F51
2023-10-22 09:17:08 C 01 30 28.908 +00 40 37.56 X F51
2023-11-08 07:42:39 C 01 09 52.560 -02 48 51.45 X 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)