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
2025-09-19 23:03:15 B 00 29 01.250 +06 05 41.82 V L65
2025-09-19 23:07:26 B 00 29 01.697 +06 05 53.92 V L65
2025-09-20 02:50:55 B 00 29 30.324 +06 16 51.71 W X04
2025-09-20 02:58:10 B 00 29 31.102 +06 17 13.13 W X04
2025-09-20 03:04:20 B 00 29 31.764 +06 17 30.95 W X04
2025-09-20 21:06:48 B 00 31 55.75 +07 15 27.5 X L76
2025-09-20 21:10:18 B 00 31 56.20 +07 15 39.8 X L76
2025-09-20 21:13:46 B 00 31 56.63 +07 15 51.7 X L76
2025-09-20 21:17:14 B 00 31 57.07 +07 16 03.8 X L76
2025-09-20 21:20:42 B 00 31 57.50 +07 16 15.7 X L76
2025-09-20 21:24:10 B 00 31 57.96 +07 16 27.8 X L76
2025-09-20 21:27:38 B 00 31 58.39 +07 16 39.7 X L76
2025-09-20 21:31:06 B 00 31 58.84 +07 16 51.8 X L76
2025-09-20 21:34:34 B 00 31 59.29 +07 17 03.8 X L76
2025-09-20 21:38:01 B 00 31 59.72 +07 17 16.0 X L76
2025-09-21 07:20:59 C 00 33 28.645 +07 52 47.53 V 703
2025-09-21 07:27:31 C 00 33 29.545 +07 53 14.28 V 703
2025-09-21 07:30:47 C 00 33 29.945 +07 53 27.42 V 703
2025-09-21 08:14:21 C 00 33 32.534 +07 57 45.43 V W68
2025-09-21 08:25:37 C 00 33 34.154 +07 58 28.06 V W68
2025-09-21 08:43:29 C 00 33 36.725 +07 59 36.06 V W68
2025-09-21 08:50:11 C 00 33 37.711 +08 00 01.48 V W68
2025-09-21 21:35:01 C 00 35 53.05 +08 50 07.7 X C40
2025-09-21 21:36:57 C 00 35 53.36 +08 50 16.1 X C40
2025-09-21 21:38:52 C 00 35 53.67 +08 50 24.5 X C40
2025-09-21 21:40:48 C 00 35 53.98 +08 50 32.8 X C40
2025-09-21 21:42:38 C 00 35 54.27 +08 50 40.7 X C40
2025-09-21 21:44:21 C 00 35 54.55 +08 50 48.1 X C40
2025-09-21 21:46:03 C 00 35 54.83 +08 50 55.5 X C40
2025-09-21 21:47:46 C 00 35 55.10 +08 51 02.9 X C40
2025-09-21 21:49:28 C 00 35 55.38 +08 51 10.3 X C40
2025-09-21 21:51:12 C 00 35 55.66 +08 51 17.7 X C40
2025-09-21 21:52:55 C 00 35 55.93 +08 51 25.1 X C40
2025-09-21 21:54:38 C 00 35 56.21 +08 51 32.6 X C40
2025-09-22 20:14:54 C 00 40 32.90 +10 39 53.3 X C40
2025-09-22 20:16:50 C 00 40 33.31 +10 40 03.9 X C40
2025-09-22 20:18:46 C 00 40 33.71 +10 40 14.3 X C40
2025-09-22 20:20:45 C 00 40 34.13 +10 40 25.2 X C40
2025-09-22 20:22:37 C 00 40 34.51 +10 40 35.3 X C40
2025-09-22 20:24:20 C 00 40 34.88 +10 40 44.7 X C40
2025-09-22 20:26:04 C 00 40 35.23 +10 40 54.2 X C40
2025-09-22 20:27:47 C 00 40 35.59 +10 41 03.4 X C40
2025-09-22 20:29:30 C 00 40 35.96 +10 41 12.8 X C40
2025-09-22 20:31:12 C 00 40 36.31 +10 41 22.2 X C40
2025-09-22 20:32:55 C 00 40 36.67 +10 41 31.5 X C40
2025-09-22 20:34:39 C 00 40 37.03 +10 41 41.0 X C40
2025-09-22 22:53:50 B 00 41 06.44 +10 54 25.9 X L76
2025-09-22 22:56:51 B 00 41 07.09 +10 54 42.7 X L76
2025-09-22 22:59:52 B 00 41 07.74 +10 54 59.5 X L76
2025-09-22 23:02:53 B 00 41 08.39 +10 55 16.3 X L76
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)