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
2025-09-16 17:29:06 C 00 21 49.757 +03 16 06.13 V P07
2025-09-16 18:31:42 C 00 21 55.86 +03 16 36.9 q 168
2025-09-16 18:32:29 C 00 21 53.304 +03 17 53.05 V P07
2025-09-16 18:54:34 C 00 21 57.33 +03 17 15.6 q 168
2025-09-16 19:10:37 C 00 21 58.33 +03 17 43.0 q 168
2025-09-16 19:19:32 C 00 21 55.999 +03 19 12.83 V P07
2025-09-16 19:21:34 C 00 21 56.126 +03 19 16.21 V P07
2025-09-16 19:26:38 C 00 21 59.36 +03 18 10.1 q 168
2025-09-16 19:48:33 C 00 22 00.77 +03 18 47.4 q 168
2025-09-17 18:29:58 C 00 23 47.12 +04 00 22.6 q 168
2025-09-17 19:03:06 C 00 23 49.57 +04 01 28.4 q 168
2025-09-17 19:27:10 C 00 23 51.33 +04 02 16.2 q 168
2025-09-17 19:58:03 C 00 23 53.63 +04 03 17.8 q 168
2025-09-17 20:22:09 C 00 23 55.37 +04 04 05.9 q 168
2025-09-17 20:47:00 C 00 23 57.21 +04 04 55.2 q 168
2025-09-17 21:05:04 C 00 23 58.54 +04 05 31.4 q 168
2025-09-17 21:29:10 C 00 24 00.32 +04 06 19.7 q 168
2025-09-17 21:53:45 B 00 24 04.52 +04 07 20.0 V R99
2025-09-17 22:02:12 B 00 24 05.14 +04 07 37.2 V R99
2025-09-17 22:09:01 C 00 24 03.29 +04 07 40.1 q 168
2025-09-17 22:10:13 B 00 24 05.72 +04 07 53.3 V R99
2025-09-17 22:33:05 C 00 24 05.11 +04 08 28.5 q 168
2025-09-17 22:57:09 C 00 24 06.96 +04 09 17.3 q 168
2025-09-17 23:02:10 B 00 24 09.49 +04 09 36.8 V 130
2025-09-17 23:05:10 B 00 24 09.70 +04 09 42.9 V 130
2025-09-17 23:08:13 B 00 24 09.93 +04 09 48.9 V 130
2025-09-17 23:11:43 B 00 24 10.18 +04 09 56.2 V 130
2025-09-18 18:04:17 C 00 25 54.35 +04 50 44.5 q 168
2025-09-18 18:21:34 C 00 25 55.86 +04 51 24.5 q 168
2025-09-18 18:37:36 C 00 25 57.27 +04 52 01.9 q 168
2025-09-18 18:55:38 C 00 25 58.85 +04 52 44.0 q 168
2025-09-18 19:07:39 C 00 25 59.89 +04 53 12.3 q 168
2025-09-18 21:51:08 B 00 26 16.793 +04 59 49.09 V 160
2025-09-18 21:53:59 B 00 26 17.040 +04 59 55.86 V 160
2025-09-18 21:56:52 B 00 26 17.292 +05 00 02.84 V 160
2025-09-18 22:08:23 C 00 26 17.870 +05 01 59.99 V M22
2025-09-18 22:12:17 C 00 26 18.187 +05 02 09.24 V M22
2025-09-18 22:16:10 C 00 26 18.509 +05 02 18.56 V M22
2025-09-18 22:27:21 B 00 26 19.89 +05 01 16.1 V R99
2025-09-18 22:30:22 B 00 26 20.15 +05 01 23.2 V R99
2025-09-18 22:33:28 B 00 26 20.42 +05 01 30.7 V R99
2025-09-18 22:45:55 C 00 26 21.677 +05 01 53.44 Z C23
2025-09-18 22:56:18 C 00 26 21.818 +05 03 55.08 V M22
2025-09-19 00:39:41 C 00 26 31.632 +05 06 28.51 Z C23
2025-09-19 00:40:51 C 00 26 31.745 +05 06 31.39 Z C23
2025-09-19 20:26:11 C 00 28 44.599 +05 58 13.73 Z C23
2025-09-19 20:42:00 C 00 28 46.310 +05 58 58.51 Z C23
2025-09-19 21:33:41 C 00 28 51.926 +06 01 25.72 Z C23
2025-09-19 21:35:26 C 00 28 52.118 +06 01 31.37 Z C23
2025-09-19 22:59:04 B 00 29 00.802 +06 05 29.72 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)