152664 (1998 FW4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7139855060 ± 2.00e+00
Semi-major axis (a)2.5201663589 AU ± 3.00e+00
Inclination (i)3.41335582° ± 4.00e+00
Long. of Asc. Node (Ω)353.53418508° ± 5.00e+00
Arg. of Perihelion (ω)85.60702097° ± 6.00e+00
Mean Anomaly (M)2.25437777° ± 1.26e-07
Mean Motion (n)0.2463590162°/day ± 4.40e-01
Perihelion dist (q)0.72080411 AU ± 5.11e+00
Aphelion dist (Q)4.31952861 AU ± 7.20e+00
Orbital Period4.00077212 yr ± 7.14e+00
NGA Modelr2
A21.90267885e-06 AU/d²
Physical Parameters
H (abs. magnitude)19.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.198″
Uncertainty0
Orbit TypeApollo
MOID3.305540 AU
Observations Used841
Oppositions23
Arc Total1994-2025
First Observation Used1994-03-09
Last Observation Used2025-10-01
Observations (956)
Date Type RA Dec Mag Band Observatory
2014-04-24 00:35:39 C 13 32 32.68 -13 10 08.7 L W84
2014-04-24 00:40:11 C 13 32 32.42 -13 10 07.1 L W84
2014-04-24 00:44:46 C 13 32 32.14 -13 10 05.7 L W84
2014-04-24 00:49:20 C 13 32 31.85 -13 10 04.3 L W84
2017-08-18 01:56:25 C 01 03 38.74 +03 27 08.1 r 106
2017-08-18 02:09:35 C 01 03 40.48 +03 27 21.6 r 106
2017-08-18 02:22:43 C 01 03 42.13 +03 27 33.2 r 106
2017-08-18 02:36:01 C 01 03 43.89 +03 27 45.4 r 106
2017-08-20 14:03:21 C 01 12 07.039 +04 25 37.30 L F51
2017-08-20 14:17:00 C 01 12 09.002 +04 25 51.45 L F51
2017-08-20 14:30:37 C 01 12 10.958 +04 26 05.36 L F51
2017-08-20 14:44:12 C 01 12 12.916 +04 26 19.28 L F51
2017-08-26 14:09:31 C 01 37 22.37 +07 18 52.2 L T05
2017-08-26 14:15:33 C 01 37 23.58 +07 19 00.8 L T05
2017-08-26 14:36:23 C 01 37 27.72 +07 19 29.8 L T05
2017-08-26 14:48:55 C 01 37 30.23 +07 19 48.4 L T05
2021-07-14 10:10:12 C 23 44 32.17 -04 45 40.2 W84
2021-07-14 10:13:09 C 23 44 32.32 -04 45 39.0 W84
2021-07-14 10:16:09 C 23 44 32.47 -04 45 38.1 W84
2021-07-14 10:19:08 C 23 44 32.64 -04 45 37.0 W84
2021-07-14 10:22:08 C 23 44 32.79 -04 45 35.9 W84
2021-07-14 10:25:07 C 23 44 32.95 -04 45 34.9 W84
2021-07-15 08:28:07 C 23 45 44.65 -04 37 59.9 W84
2021-07-15 08:32:26 C 23 45 44.88 -04 37 58.4 W84
2021-07-15 08:36:46 C 23 45 45.09 -04 37 57.0 W84
2021-07-15 08:41:04 C 23 45 45.31 -04 37 55.5 W84
2021-07-15 08:45:23 C 23 45 45.55 -04 37 53.9 W84
2021-07-20 12:26:38 C 23 52 29.625 -03 54 43.43 U F51
2021-07-20 12:42:54 C 23 52 30.503 -03 54 37.60 U F51
2021-07-20 12:59:01 C 23 52 31.327 -03 54 31.66 U F51
2021-08-03 13:59:04 C 00 11 45.101 -01 45 22.24 U F51
2021-08-03 14:10:58 C 00 11 45.781 -01 45 17.02 U F51
2021-08-03 14:22:44 C 00 11 46.448 -01 45 12.26 U F51
2021-08-03 14:34:34 C 00 11 47.120 -01 45 07.14 U F51
2021-08-07 19:25:53 C 00 18 01.72 -01 01 03.6 q D29
2021-08-07 19:46:15 C 00 18 02.98 -01 00 54.3 q D29
2021-08-11 13:44:45 C 00 23 57.252 -00 17 59.24 U F51
2021-08-11 14:02:40 C 00 23 58.391 -00 17 50.29 U F51
2021-08-11 14:20:37 C 00 23 59.535 -00 17 41.38 U F51
2021-08-11 14:38:31 C 00 24 00.683 -00 17 32.48 U F51
2021-08-12 12:55:21 C 00 25 32.661 -00 06 16.44 U F51
2021-08-12 13:12:29 C 00 25 33.775 -00 06 07.54 U F51
2021-08-12 13:29:42 C 00 25 34.890 -00 05 58.75 U F51
2021-08-12 14:03:46 C 00 25 37.106 -00 05 41.31 U F51
2021-08-12 14:14:39 C 00 25 37.818 -00 05 35.69 U F51
2021-08-12 14:25:31 C 00 25 38.525 -00 05 30.12 U F51
2021-08-12 14:36:34 C 00 25 39.246 -00 05 24.47 U F51
2021-08-28 10:50:35 C 00 59 28.53 +04 20 47.3 V T05
2021-08-28 11:25:26 C 00 59 32.53 +04 21 21.4 V T05
2021-08-28 11:36:43 C 00 59 33.88 +04 21 32.6 V T05
Radar Observations (18)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2009-09-26 01:40:00 910321.677 0.5 Hz 8560 -14 -14
2009-09-26 02:10:00 44182242.19 10 us 8560 -14 -14
2009-09-26 03:10:00 43802150.6 1 us 8560 -14 -14
2009-09-27 03:20:00 806842.646 0.5 Hz 8560 -14 -14
2009-09-27 04:00:00 34950466.93 2 us 8560 -14 -14
2009-09-28 04:40:00 27537725.2 0.5 us 8560 -14 -14
2009-09-30 19:30:00 24549433.17 1 us 2380 -1 -1
2009-10-01 18:20:00 30182452.629 2 us 2380 -1 -1
2013-09-22 05:40:00 641166.896 0.5 Hz 8560 -14 -14
2013-09-22 06:10:00 53372699.47 3 us 8560 -14 -14
2013-09-22 06:40:00 632332.349 0.5 Hz 8560 -14 -14
2013-09-22 06:44:00 53203613.81 0.5 us 2380 -1 -1
2013-09-22 06:44:00 172287.5991 0.075 Hz 2380 -1 -1
2013-09-22 07:10:00 627441.956 0.4 Hz 8560 -14 -14
2013-09-23 08:20:00 404327.022 0.3 Hz 8560 -14 -14
2013-09-23 08:40:00 47691363.58 2 us 8560 -14 -14
2013-09-24 07:20:00 45199563.5 1.5 us 8560 -14 -14
2013-09-26 10:30:00 48835641.89 3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)