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
2025-09-24 07:43:09 C 00 50 42.983 +14 36 43.63 V 703
2025-09-24 07:46:30 C 00 50 44.074 +14 37 11.10 V 703
2025-09-24 07:49:51 C 00 50 45.161 +14 37 38.46 V 703
2025-09-24 07:53:12 C 00 50 46.252 +14 38 05.78 V 703
2025-09-24 18:07:54 C 00 54 50.16 +16 06 54.9 X D04
2025-09-24 18:10:23 C 00 54 51.15 +16 07 18.1 X D04
2025-09-24 18:12:54 C 00 54 52.17 +16 07 41.8 X D04
2025-09-24 18:15:23 C 00 54 53.14 +16 08 05.5 X D04
2025-09-24 18:17:52 C 00 54 54.15 +16 08 28.8 X D04
2025-09-24 18:20:20 C 00 54 55.14 +16 08 51.8 X D04
2025-09-24 18:22:48 C 00 54 56.11 +16 09 15.8 X D04
2025-09-24 18:25:17 C 00 54 57.11 +16 09 39.1 X D04
2025-09-24 18:27:40 C 00 54 58.08 +16 10 01.4 X D04
2025-09-24 18:29:58 C 00 54 59.01 +16 10 23.2 X D04
2025-09-24 18:32:15 C 00 54 59.92 +16 10 44.8 X D04
2025-09-24 18:34:33 C 00 55 00.83 +16 11 06.8 X D04
2025-09-24 20:33:10 B 00 55 48.36 +16 29 59.0 X L76
2025-09-24 20:37:07 B 00 55 49.97 +16 30 37.3 X L76
2025-09-24 20:41:04 B 00 55 51.57 +16 31 15.5 X L76
2025-09-24 20:45:02 B 00 55 53.17 +16 31 53.9 X L76
2025-09-24 20:48:58 B 00 55 54.77 +16 32 32.1 X L76
2025-09-24 20:52:55 B 00 55 56.36 +16 33 10.4 X L76
2025-09-24 20:54:59 C 00 55 57.36 +16 33 34.9 X C40
2025-09-24 20:56:51 B 00 55 57.96 +16 33 48.6 X L76
2025-09-24 20:57:33 C 00 55 58.39 +16 33 59.7 X C40
2025-09-24 21:00:07 C 00 55 59.43 +16 34 24.8 X C40
2025-09-24 21:00:47 B 00 55 59.55 +16 34 26.8 X L76
2025-09-24 21:02:42 C 00 56 00.48 +16 34 49.9 X C40
2025-09-24 21:04:42 B 00 56 01.15 +16 35 04.9 X L76
2025-09-24 21:05:16 C 00 56 01.52 +16 35 14.8 X C40
2025-09-24 21:07:50 C 00 56 02.56 +16 35 39.8 X C40
2025-09-24 21:08:38 B 00 56 02.75 +16 35 43.3 X L76
2025-09-24 21:10:24 C 00 56 03.60 +16 36 04.8 X C40
2025-09-24 21:12:58 C 00 56 04.64 +16 36 29.8 X C40
2025-09-24 21:15:25 C 00 56 05.64 +16 36 53.7 X C40
2025-09-24 21:17:47 C 00 56 06.60 +16 37 16.8 X C40
2025-09-24 21:20:08 C 00 56 07.55 +16 37 39.7 X C40
2025-09-24 21:22:30 C 00 56 08.51 +16 38 02.7 X C40
2025-09-25 00:29:42 B 00 57 30.329 +17 08 44.81 W M07
2025-09-25 01:13:30 B 00 57 49.433 +17 16 10.45 W M07
2025-09-25 08:30:47 C 01 01 26.249 +18 35 41.32 V 703
2025-09-25 08:34:04 C 01 01 27.822 +18 36 18.43 V 703
2025-09-25 08:37:21 C 01 01 29.410 +18 36 55.66 V 703
2025-09-25 08:40:39 C 01 01 30.997 +18 37 33.06 V 703
2025-09-25 09:57:09 C 01 02 16.366 +18 52 42.02 V T05
2025-09-25 09:59:46 C 01 02 17.652 +18 53 12.48 V T05
2025-09-25 10:04:33 C 01 02 20.018 +18 54 08.24 V T05
2025-09-25 10:33:05 C 01 02 34.121 +18 59 41.86 V T05
2025-09-25 13:43:08 C 01 04 11.322 +19 37 21.83 X F51
2025-09-25 14:02:10 C 01 04 21.514 +19 41 11.96 X F51
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)