2009 FF

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4684189057 ± 1.36e-08
Semi-major axis (a)1.4733289794 AU ± 1.69e-09
Inclination (i)0.97928952° ± 7.33e-08
Long. of Asc. Node (Ω)263.35747356° ± 5.97e-05
Arg. of Perihelion (ω)13.53887129° ± 6.05e-05
Mean Anomaly (M)66.34430722° ± 3.37e-07
Mean Motion (n)0.5511409485°/day ± 9.47e-10
Perihelion dist (q)0.78319383 AU ± 2.01e-08
Aphelion dist (Q)2.16346413 AU ± 2.02e-08
Orbital Period1.78833797 yr ± 3.07e-09
NGA Modelr2
A2-4.06381871e-14 ± 1.97e-15 AU/d²
Physical Parameters
H (abs. magnitude)21.97
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.178″
Uncertainty0
Orbit TypeApollo
MOID0.014589 AU
Observations Used568
Radar Obs Used7
Oppositions18
Arc Total1984-2025
First Observation Used1984-04-05
Last Observation Used2025-11-11
Observations (620)
Date Type RA Dec Mag Band Observatory
2025-09-15 20:13:37 B 23 26 28.140 +29 21 45.86 V 160
2025-09-15 20:17:07 B 23 26 28.946 +29 20 55.32 V 160
2025-09-15 21:10:28 C 23 26 34.35 +29 08 17.2 X C40
2025-09-15 21:12:29 C 23 26 34.78 +29 07 48.4 X C40
2025-09-15 21:14:28 C 23 26 35.20 +29 07 19.6 X C40
2025-09-15 21:16:28 C 23 26 35.62 +29 06 50.8 X C40
2025-09-15 21:18:28 C 23 26 36.05 +29 06 21.8 X C40
2025-09-15 21:20:28 C 23 26 36.46 +29 05 52.9 X C40
2025-09-15 21:22:28 C 23 26 36.89 +29 05 24.2 X C40
2025-09-15 21:24:27 C 23 26 37.30 +29 04 55.7 X C40
2025-09-15 21:26:27 C 23 26 37.72 +29 04 26.9 X C40
2025-09-15 21:28:27 C 23 26 38.14 +29 03 58.2 X C40
2025-09-15 21:30:26 C 23 26 38.56 +29 03 29.4 X C40
2025-09-15 21:32:25 C 23 26 38.98 +29 03 00.8 X C40
2025-09-15 21:40:52 C 23 26 40.76 +29 00 59.4 X C40
2025-09-15 21:42:52 C 23 26 41.17 +29 00 30.5 X C40
2025-09-15 21:44:52 C 23 26 41.59 +29 00 01.9 X C40
2025-09-15 21:46:51 C 23 26 42.01 +28 59 33.2 X C40
2025-09-15 21:48:50 C 23 26 42.43 +28 59 04.6 X C40
2025-09-15 21:50:50 C 23 26 42.85 +28 58 35.9 X C40
2025-09-15 21:52:49 C 23 26 43.26 +28 58 07.5 X C40
2025-09-15 21:54:49 C 23 26 43.68 +28 57 38.9 X C40
2025-09-15 21:56:48 C 23 26 44.10 +28 57 10.4 X C40
2025-09-15 21:58:47 C 23 26 44.51 +28 56 41.8 X C40
2025-09-15 22:00:47 C 23 26 44.93 +28 56 13.1 X C40
2025-09-15 22:02:47 C 23 26 45.35 +28 55 44.5 X C40
2025-09-15 22:08:43 B 23 26 46.57 +28 54 11.5 X L76
2025-09-15 22:11:39 B 23 26 47.18 +28 53 29.7 X L76
2025-09-15 22:14:35 B 23 26 47.82 +28 52 47.5 X L76
2025-09-15 22:17:32 B 23 26 48.43 +28 52 05.4 X L76
2025-09-15 22:20:28 B 23 26 49.05 +28 51 23.6 X L76
2025-09-15 22:23:24 B 23 26 49.66 +28 50 41.4 X L76
2025-09-15 22:26:20 B 23 26 50.28 +28 49 59.6 X L76
2025-09-15 22:29:16 B 23 26 50.90 +28 49 17.5 X L76
2025-09-15 22:32:13 B 23 26 51.53 +28 48 35.7 X L76
2025-09-15 22:35:09 B 23 26 52.15 +28 47 53.8 X L76
2025-09-16 02:36:01 V 23 28 04.10 +27 52 45.8 V 270
2025-09-16 02:36:01 v 1 285.91302 +45.62290 270
2025-09-16 02:36:05 V 23 28 04.12 +27 52 45.7 V 270
2025-09-16 02:36:05 v 1 285.91302 +45.62290 270
2025-09-16 02:36:53 V 23 28 04.18 +27 52 40.3 V 270
2025-09-16 02:36:53 v 1 285.91302 +45.62290 270
2025-09-16 02:40:19 V 23 28 05.17 +27 51 46.6 V 270
2025-09-16 02:40:19 v 1 285.91302 +45.62290 270
2025-09-16 03:12:29 V 23 28 14.26 +27 44 48.8 V 270
2025-09-16 03:12:29 v 1 272.08279 +42.83020 270
2025-09-16 03:19:34 V 23 28 15.55 +27 43 17.3 V 270
2025-09-16 03:19:34 v 1 272.08279 +42.83020 270
2025-09-16 03:24:35 V 23 28 16.49 +27 42 11.6 V 270
2025-09-16 03:24:35 v 1 272.08279 +42.83020 270
Radar Observations (7)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2025-09-11 03:50:00 168340.5 1 Hz 8560 -14 -14
2025-09-11 04:10:00 164369.3 0.5 Hz 8560 -14 -14
2025-09-11 04:20:00 17880158 10 us 8560 -14 -14
2025-09-11 04:50:00 17846629.1 0.2 us 8560 -14 -14
2025-09-12 23:30:00 -337977.158 0.5 Hz 8560 -14 -14
2025-09-13 00:00:00 19815188.89 0.3 us 8560 -14 -14
2025-09-13 03:20:00 -370953.343 0.5 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)