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
2025-09-22 23:05:54 B 00 41 09.04 +10 55 33.1 X L76
2025-09-22 23:08:55 B 00 41 09.70 +10 55 50.0 X L76
2025-09-22 23:11:55 B 00 41 10.35 +10 56 06.7 X L76
2025-09-22 23:14:56 B 00 41 10.99 +10 56 23.5 X L76
2025-09-22 23:17:56 B 00 41 11.65 +10 56 40.1 X L76
2025-09-22 23:20:57 B 00 41 12.30 +10 56 57.0 X L76
2025-09-23 00:21:34 B 00 41 25.63 +11 02 37.0 X L76
2025-09-23 00:27:21 B 00 41 26.92 +11 03 09.6 X L76
2025-09-23 00:33:08 B 00 41 28.21 +11 03 42.2 X L76
2025-09-23 00:38:55 B 00 41 29.50 +11 04 14.7 X L76
2025-09-23 00:44:42 B 00 41 30.80 +11 04 47.5 X L76
2025-09-23 00:50:12 B 00 41 32.04 +11 05 18.5 X L76
2025-09-23 00:54:45 B 00 41 43.061 +11 07 14.20 Z X33
2025-09-23 00:57:17 B 00 41 43.687 +11 07 27.80 Z X33
2025-09-23 00:59:50 B 00 41 44.258 +11 07 43.36 Z X33
2025-09-23 08:42:12 C 00 43 34.324 +11 52 37.92 V 703
2025-09-23 08:45:30 C 00 43 35.105 +11 52 58.44 V 703
2025-09-23 08:48:47 C 00 43 35.882 +11 53 18.85 V 703
2025-09-23 08:52:03 C 00 43 36.664 +11 53 39.08 V 703
2025-09-23 10:54:34 C 00 44 11.530 +12 06 55.40 V T05
2025-09-23 11:09:02 C 00 44 15.005 +12 08 27.60 V T05
2025-09-23 11:14:25 C 00 44 16.306 +12 09 02.09 V T05
2025-09-23 11:56:39 C 00 44 26.544 +12 13 32.81 V T05
2025-09-23 18:44:45 C 00 46 30.93 +12 58 15.6 X C40
2025-09-23 18:46:40 C 00 46 31.48 +12 58 29.2 X C40
2025-09-23 18:48:36 C 00 46 32.03 +12 58 42.9 X C40
2025-09-23 18:50:31 C 00 46 32.58 +12 58 56.4 X C40
2025-09-23 18:52:20 C 00 46 33.10 +12 59 09.2 X C40
2025-09-23 18:54:03 C 00 46 33.59 +12 59 21.3 X C40
2025-09-23 18:55:46 C 00 46 34.08 +12 59 33.4 X C40
2025-09-23 18:57:29 C 00 46 34.57 +12 59 45.4 X C40
2025-09-23 18:59:12 C 00 46 35.05 +12 59 57.6 X C40
2025-09-23 19:00:55 C 00 46 35.54 +13 00 09.8 X C40
2025-09-23 19:02:39 C 00 46 36.03 +13 00 21.8 X C40
2025-09-23 19:04:22 C 00 46 36.51 +13 00 33.9 X C40
2025-09-23 19:34:13 C 00 46 45.00 +13 04 05.0 X D04
2025-09-23 19:36:05 C 00 46 45.54 +13 04 18.3 X D04
2025-09-23 19:37:57 C 00 46 46.06 +13 04 31.9 X D04
2025-09-23 19:39:50 C 00 46 46.59 +13 04 45.0 X D04
2025-09-23 19:41:36 C 00 46 47.09 +13 04 57.8 X D04
2025-09-23 19:43:16 C 00 46 47.58 +13 05 09.3 X D04
2025-09-23 19:44:55 C 00 46 48.06 +13 05 21.3 X D04
2025-09-23 19:46:36 C 00 46 48.51 +13 05 33.3 X D04
2025-09-23 19:48:16 C 00 46 48.98 +13 05 45.1 X D04
2025-09-23 19:49:56 C 00 46 49.46 +13 05 56.8 X D04
2025-09-23 19:51:36 C 00 46 49.94 +13 06 09.1 X D04
2025-09-23 19:53:16 C 00 46 50.40 +13 06 20.5 X D04
2025-09-23 23:31:33 B 00 47 56.275 +13 32 25.15 V L65
2025-09-23 23:34:32 B 00 47 57.163 +13 32 47.22 V L65
2025-09-23 23:37:31 B 00 47 58.054 +13 33 09.36 V L65
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)