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
2025-09-25 14:21:22 C 01 04 31.916 +19 45 05.10 X F51
2025-09-26 23:13:16 B 01 31 13.18 +28 27 09.5 X L76
2025-09-26 23:16:13 B 01 31 16.37 +28 28 09.1 X L76
2025-09-26 23:19:10 B 01 31 19.56 +28 29 08.6 X L76
2025-09-26 23:22:07 B 01 31 22.74 +28 30 08.3 X L76
2025-09-26 23:25:04 B 01 31 25.94 +28 31 08.1 X L76
2025-09-26 23:28:02 B 01 31 29.15 +28 32 08.1 X L76
2025-09-26 23:30:59 B 01 31 32.36 +28 33 08.0 X L76
2025-09-26 23:33:58 B 01 31 35.59 +28 34 08.3 X L76
2025-09-26 23:36:56 B 01 31 38.83 +28 35 08.7 X L76
2025-09-26 23:39:55 B 01 31 42.07 +28 36 09.1 X L76
2025-09-27 02:29:00 B 01 35 03.756 +29 36 09.22 X J51
2025-09-27 02:35:53 B 01 35 11.693 +29 38 35.74 X J51
2025-09-27 02:42:44 B 01 35 19.582 +29 41 01.46 X J51
2025-09-27 19:11:30 C 02 00 43.09 +36 17 17.3 V M32
2025-09-27 19:12:02 C 02 00 44.08 +36 17 31.7 V M32
2025-09-27 19:12:33 C 02 00 45.07 +36 17 46.0 V M32
2025-09-27 19:13:05 C 02 00 46.08 +36 18 00.6 V M32
2025-09-27 19:13:41 C 02 00 47.21 +36 18 17.4 V M32
2025-09-27 19:47:42 B 02 01 49.95 +36 34 00.2 X L99
2025-09-27 19:48:10 B 02 01 50.80 +36 34 13.2 X L99
2025-09-27 19:48:38 B 02 01 51.77 +36 34 25.8 X L99
2025-09-27 19:49:02 B 02 01 52.43 +36 34 38.0 X L99
2025-09-27 21:05:17 B 02 04 23.530 +37 09 13.00 W Z80
2025-09-27 21:13:21 B 02 04 39.540 +37 13 00.48 W Z80
2025-09-27 21:21:29 B 02 04 55.692 +37 16 49.48 W Z80
2025-09-28 20:57:32 B 03 15 20.624 +49 21 05.58 W G34
2025-09-28 20:59:00 B 03 15 26.824 +49 21 51.99 W G34
2025-09-28 21:00:27 B 03 15 32.983 +49 22 38.46 W G34
2025-09-28 21:02:37 B 03 15 42.276 +49 23 48.13 W G34
2025-09-28 21:04:15 B 03 15 49.215 +49 24 40.36 W G34
2025-09-28 21:05:53 B 03 15 56.206 +49 25 32.36 W G34
2025-09-28 22:40:29 C 03 22 33.84 +50 15 53.4 q 168
2025-09-28 22:55:53 C 03 23 42.49 +50 23 49.8 q 168
2025-09-28 23:08:17 C 03 24 38.20 +50 30 12.3 q 168
2025-09-28 23:22:40 C 03 25 43.29 +50 37 34.5 q 168
2025-09-28 23:35:00 C 03 26 39.47 +50 43 52.0 q 168
2025-09-28 23:49:20 C 03 27 45.33 +50 51 09.4 q 168
2025-09-30 10:00:26 C 07 17 23.093 +57 42 04.79 V 703
2025-09-30 10:03:52 C 07 17 46.129 +57 41 22.92 V 703
2025-09-30 10:10:46 C 07 18 32.296 +57 39 58.28 V 703
2025-09-30 10:43:24 C 07 22 11.240 +57 32 37.61 U I41
2025-09-30 10:43:54 C 07 22 14.493 +57 32 30.78 U I41
2025-09-30 12:17:17 C 07 32 19.977 +57 10 32.79 U I41
2025-09-30 12:17:47 C 07 32 23.134 +57 10 25.49 U I41
2025-09-30 14:19:50 C 07 45 18.746 +56 36 57.46 V T08
2025-09-30 14:31:08 C 07 46 26.738 +56 33 44.24 V T08
2025-09-30 14:45:50 C 07 47 54.617 +56 29 29.72 V T08
2025-09-30 14:57:05 C 07 49 01.327 +56 26 12.30 V T08
2025-09-30 23:16:54 C 08 33 42.242 +53 24 00.86 V L54
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)