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
2009-09-22 20:03:53 C 22 46 09.79 -07 20 50.8 c B17
2009-09-22 20:04:51 C 22 46 09.38 -07 20 51.0 c B17
2009-09-22 20:05:49 C 22 46 08.98 -07 20 51.1 c B17
2009-09-22 20:06:47 C 22 46 08.57 -07 20 51.1 c B17
2009-09-22 20:07:45 C 22 46 08.16 -07 20 51.2 c B17
2009-09-22 20:08:43 C 22 46 07.76 -07 20 51.3 c B17
2009-09-22 20:09:41 C 22 46 07.35 -07 20 51.3 c B17
2009-09-22 20:10:39 C 22 46 06.96 -07 20 51.4 c B17
2009-09-22 20:11:37 C 22 46 06.55 -07 20 51.6 c B17
2009-09-22 20:12:35 C 22 46 06.14 -07 20 51.7 c B17
2009-09-22 20:13:33 C 22 46 05.73 -07 20 51.7 c B17
2009-09-22 20:14:31 C 22 46 05.31 -07 20 51.7 c B17
2009-09-22 20:15:29 C 22 46 04.91 -07 20 51.9 c B17
2009-09-22 20:16:27 C 22 46 04.51 -07 20 51.8 c B17
2009-09-22 22:29:42 C 22 45 10.06 -07 21 01.3 o B88
2009-09-22 22:42:16 C 22 45 04.65 -07 21 02.0 o B88
2009-09-22 22:55:10 C 22 44 59.06 -07 21 03.1 o B88
2009-09-23 12:03:46 C 22 39 15.23 -07 19 15.4 v D90
2009-09-23 12:13:39 C 22 39 10.23 -07 19 15.9 v D90
2009-09-23 12:23:30 C 22 39 05.23 -07 19 16.5 v D90
2009-09-23 12:33:25 C 22 39 00.22 -07 19 17.0 v D90
2009-09-23 12:43:18 C 22 38 55.18 -07 19 17.4 v D90
2009-09-23 21:22:30 C 22 34 31.67 -07 22 16.0 o A92
2009-09-23 21:27:41 C 22 34 28.75 -07 22 16.3 o A92
2009-09-23 21:33:20 C 22 34 25.57 -07 22 17.8 o A92
2009-09-25 00:30:06 C 22 17 13.00 -07 22 01.5 w J69
2009-09-25 00:34:37 C 22 17 09.44 -07 22 01.0 w J69
2009-09-25 00:38:34 C 22 17 06.35 -07 22 00.5 w J69
2009-09-26 19:29:09 C 21 30 26.79 -07 07 16.9 w J93
2009-09-26 19:32:19 C 21 30 21.77 -07 07 14.6 w J93
2009-09-26 19:35:30 C 21 30 16.76 -07 07 12.2 w J93
2009-09-26 22:16:14 C 21 25 54.97 -07 04 54.8 w J69
2009-09-26 22:18:38 C 21 25 51.01 -07 04 52.5 w J69
2009-09-26 22:20:59 C 21 25 47.05 -07 04 50.3 w J69
2009-09-26 22:23:23 C 21 25 43.08 -07 04 48.2 w J69
2009-09-26 22:25:45 C 21 25 39.09 -07 04 45.7 w J69
2010-03-18 08:32:39 C 14 26 21.86 -16 54 47.7 o H21
2010-03-18 08:56:35 C 14 26 20.44 -16 54 43.7 o H21
2010-03-18 09:20:46 C 14 26 18.81 -16 54 38.8 o H21
2010-04-09 05:47:11 C 13 48 33.47 -14 23 19.2 o H21
2010-04-09 06:05:04 C 13 48 32.19 -14 23 12.6 o H21
2010-04-09 06:23:06 C 13 48 30.81 -14 23 06.2 o H21
2013-08-27 07:40:38 C 00 15 25.54 -02 25 11.1 u 807
2013-08-27 07:43:19 C 00 15 25.67 -02 25 09.9 u 807
2013-08-27 07:45:58 C 00 15 25.80 -02 25 08.8 u 807
2013-08-27 07:48:37 C 00 15 25.93 -02 25 07.7 u 807
2013-08-27 07:51:16 C 00 15 26.06 -02 25 06.6 u 807
2013-08-30 07:20:32 C 00 19 32.73 -01 52 30.7 r Y00
2013-08-30 07:29:54 C 00 19 33.35 -01 52 25.7 r Y00
2013-08-30 07:38:41 C 00 19 33.88 -01 52 22.1 r Y00
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)