22753 (1998 WT)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5700138509 ± 2.00e+00
Semi-major axis (a)1.2188006149 AU ± 3.00e+00
Inclination (i)3.20516568° ± 4.00e+00
Long. of Asc. Node (Ω)307.34629890° ± 5.00e+00
Arg. of Perihelion (ω)324.82217587° ± 6.00e+00
Mean Anomaly (M)98.29641806° ± 8.02e-06
Mean Motion (n)0.7325095298°/day ± 2.70e+00
Perihelion dist (q)0.52406738 AU ± 2.76e+00
Aphelion dist (Q)1.91353385 AU ± 5.30e+00
Orbital Period1.34554739 yr ± 4.97e+00
NGA Modelr2
A2-1.15336133e-06 AU/d²
Physical Parameters
H (abs. magnitude)17.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.346″
Uncertainty0
Orbit TypeApollo
MOID0.033648 AU
Observations Used1389
Oppositions18
Arc Total1955-2026
First Observation Used1955-10-24
Last Observation Used2026-01-12
Observations (1449)
Date Type RA Dec Mag Band Observatory
1955-10-24 10:23:59 04 34 10.83 +33 37 33.7 261
1955-10-24 10:32:00 04 34 09.02 +33 37 30.7 261
1955-10-24 10:36:59 04 34 07.90 +33 37 28.6 261
1955-10-24 11:26:59 04 33 56.84 +33 37 09.1 261
1998-11-14 01:56:49 C 01 30 42.17 +21 31 40.8 17.3 a 704
1998-11-14 02:29:30 C 01 30 40.43 +21 31 09.8 a 704
1998-11-14 03:00:58 C 01 30 38.81 +21 30 38.9 17.6 a 704
1998-11-14 03:32:28 C 01 30 37.17 +21 30 08.1 a 704
1998-11-14 04:03:59 C 01 30 35.49 +21 29 37.5 17.6 a 704
1998-11-16 01:58:40 C 01 28 39.29 +20 46 20.2 17.6 a 704
1998-11-16 02:29:11 C 01 28 38.08 +20 45 53.3 18.5 a 704
1998-11-16 02:59:40 C 01 28 36.85 +20 45 25.3 19.4 a 704
1998-11-16 03:30:09 C 01 28 35.42 +20 44 59.1 18.8 a 704
1998-11-16 04:00:45 C 01 28 34.23 +20 44 33.1 19.0 a 704
1998-11-17 19:00:00 C 01 27 14.50 +20 11 17.0 z 108
1998-11-17 19:07:34 C 01 27 14.27 +20 11 13.1 z 108
1998-11-17 19:15:30 C 01 27 14.01 +20 11 06.6 z 108
1998-11-18 02:53:03 C 01 27 00.28 +20 05 04.5 z 711
1998-11-18 03:02:39 C 01 26 59.89 +20 04 56.0 z 711
1998-11-18 03:12:23 C 01 26 59.58 +20 04 48.6 z 711
1998-11-18 20:14:01 C 01 26 30.64 +19 51 24.3 046
1998-11-18 20:15:32 C 01 26 30.57 +19 51 22.7 046
1998-11-18 20:21:39 C 01 26 30.38 +19 51 18.5 046
1998-11-18 20:23:09 C 01 26 30.30 +19 51 16.8 046
1998-11-18 23:48:52 C 01 26 25.50 +19 48 41.1 836
1998-11-19 00:36:06 C 01 26 24.28 +19 48 06.0 836
1998-11-19 01:06:28 C 01 26 23.29 +19 47 44.4 836
1998-11-19 01:34:28 C 01 26 22.73 +19 47 22.1 734
1998-11-19 01:43:07 C 01 26 22.47 +19 47 15.6 734
1998-11-19 01:48:51 C 01 26 22.32 +19 47 11.4 734
1998-11-19 04:14:05 C 01 26 18.14 +19 45 24.1 17.4 a 704
1998-11-19 04:45:37 C 01 26 17.15 +19 44 58.1 19.1 a 704
1998-11-19 05:17:09 C 01 26 16.16 +19 44 36.4 17.7 a 704
1998-11-19 05:48:45 C 01 26 15.31 +19 44 12.0 18.2 a 704
1998-11-19 06:20:20 C 01 26 14.29 +19 43 48.2 18.3 a 704
1998-11-19 10:30:07 C 01 26 09.24 +19 40 42.0 z 402
1998-11-19 10:31:54 C 01 26 09.17 +19 40 40.6 z 402
1998-11-19 10:33:42 C 01 26 09.13 +19 40 39.7 z 402
1998-11-19 10:35:30 C 01 26 09.08 +19 40 38.4 z 402
1998-11-19 13:09:48 C 01 26 04.59 +19 39 04.9 b 426
1998-11-19 13:16:11 C 01 26 04.35 +19 39 00.2 b 426
1998-11-19 13:20:59 C 01 26 04.22 +19 38 56.5 b 426
1998-11-20 21:07:19 C 01 25 23.12 +19 15 57.4 049
1998-11-20 21:11:08 C 01 25 23.05 +19 15 54.7 049
1998-11-20 21:13:30 C 01 25 22.94 +19 15 53.1 049
1998-11-22 00:51:02 C 01 24 54.53 +18 57 42.5 836
1998-11-22 01:25:41 C 01 24 53.79 +18 57 18.7 836
1998-11-22 01:54:55 C 01 24 53.40 +18 57 01.5 836
1998-11-23 00:07:56 C 01 24 33.89 +18 43 09.6 118
1998-11-23 00:34:29 C 01 24 33.52 +18 42 53.0 118
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2002-10-16 20:09:00 27221.7 0.5 Hz 2380 -1 -1
2002-10-16 21:44:00 107138355.3 2.1 us 2380 -1 -1
2002-10-17 21:11:00 106981891 4 us 2380 -1 -1
2002-10-17 21:44:00 106993989.04 1.8 us 2380 -1 -1
2005-03-03 01:30:00 505730.78 1.5 Hz 8560 -14 -14
2005-03-05 04:10:00 83998079 10 us 8560 -14 -14
2005-03-06 06:20:00 81177454.4 2 us 8560 -14 -14
2005-03-07 06:00:00 79684338.8 2 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)