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
2013-09-09 22:33:35 C 00 42 47.40 +01 31 26.4 q C77
2013-09-09 22:35:18 C 00 42 47.62 +01 31 29.3 q C77
2013-09-10 07:26:40 C 00 44 01.24 +01 44 16.8 r Y00
2013-09-10 07:29:13 C 00 44 01.61 +01 44 20.4 r Y00
2013-09-10 07:31:45 C 00 44 01.98 +01 44 24.1 r Y00
2013-09-12 06:05:15 C 00 51 56.83 +02 56 40.4 P U82
2013-09-12 06:53:42 C 00 52 05.54 +02 58 07.9 P U82
2013-09-12 07:06:29 C 00 52 07.74 +02 58 29.9 P U82
2013-09-12 07:49:47 C 00 52 15.47 +02 59 47.9 P U82
2013-09-12 08:20:19 C 00 52 21.01 +03 00 43.2 P U82
2013-09-12 09:06:32 C 00 52 29.48 +03 02 08.2 P U82
2013-09-13 06:07:56 C 00 56 53.16 +03 42 55.6 P U82
2013-09-13 06:51:26 C 00 57 02.29 +03 44 25.7 P U82
2013-09-13 07:12:44 C 00 57 06.73 +03 45 10.2 P U82
2013-09-13 07:36:38 C 00 57 11.70 +03 46 00.5 P U82
2013-09-13 08:10:40 C 00 57 18.89 +03 47 12.1 P U82
2013-09-13 08:19:58 C 00 57 20.84 +03 47 31.5 P U82
2013-09-13 09:04:57 C 00 57 30.20 +03 49 06.3 P U82
2013-09-13 09:09:12 C 00 57 31.16 +03 49 15.4 P U82
2013-09-14 06:07:23 C 01 02 37.33 +04 36 38.7 P U82
2013-09-14 06:51:38 C 01 02 48.31 +04 38 27.3 P U82
2013-09-14 07:35:02 C 01 02 58.98 +04 40 13.5 P U82
2013-09-14 08:19:19 C 01 03 09.87 +04 42 02.0 P U82
2013-09-14 09:02:49 C 01 03 20.66 +04 43 49.9 P U82
2013-09-14 09:47:09 C 01 03 31.66 +04 45 39.5 P U82
2013-09-15 06:12:21 C 01 09 24.78 +05 40 07.8 P U82
2013-09-15 06:55:45 C 01 09 37.64 +05 42 13.8 P U82
2013-09-15 07:40:54 C 01 09 50.85 +05 44 24.3 P U82
2013-09-15 07:53:40 C 01 09 54.59 +05 45 01.1 P U82
2013-09-15 08:24:06 C 01 10 03.58 +05 46 30.3 P U82
2013-09-15 08:41:09 C 01 10 08.62 +05 47 19.9 P U82
2013-09-15 09:07:24 C 01 10 16.37 +05 48 36.4 P U82
2013-09-15 09:07:35 C 01 10 16.04 +05 48 39.8 q 703
2013-09-15 09:16:43 C 01 10 18.77 +05 49 06.5 q 703
2013-09-15 09:25:55 C 01 10 21.48 +05 49 33.6 q 703
2013-09-15 09:35:06 C 01 10 24.21 +05 50 00.6 q 703
2013-09-15 10:03:23 C 01 10 32.63 +05 51 23.5 q G96
2013-09-15 10:11:48 C 01 10 35.15 +05 51 48.3 q G96
2013-09-15 10:20:13 C 01 10 37.66 +05 52 13.1 q G96
2013-09-15 10:28:37 C 01 10 40.17 +05 52 37.8 q G96
2013-09-16 06:07:47 C 01 17 29.35 +06 55 10.0 P U82
2013-09-16 06:59:36 C 01 17 47.84 +06 58 09.2 P U82
2013-09-16 07:44:17 C 01 18 03.87 +07 00 45.3 P U82
2013-09-16 08:31:47 C 01 18 20.83 +07 03 30.9 P U82
2013-09-16 08:57:19 C 01 18 29.91 +07 04 59.9 P U82
2013-09-16 09:30:31 C 01 18 41.93 +07 06 57.0 P U82
2013-09-16 10:05:11 C 01 18 54.42 +07 08 58.7 P U82
2013-09-16 10:35:42 C 01 19 05.61 +07 10 47.3 P U82
2013-09-17 06:47:56 C 01 27 38.51 +08 28 37.3 P U82
2013-09-17 07:10:28 C 01 27 48.49 +08 30 12.6 P U82
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)