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
2025-09-16 03:31:52 V 23 28 17.89 +27 40 36.9 V 270
2025-09-16 03:31:52 v 1 272.08279 +42.83020 270
2025-09-16 05:57:10 C 23 28 49.548 +27 10 07.97 V 703
2025-09-16 06:00:27 C 23 28 50.095 +27 09 26.57 V 703
2025-09-16 06:03:44 C 23 28 50.664 +27 08 44.99 V 703
2025-09-16 06:07:00 C 23 28 51.182 +27 08 04.24 V 703
2025-09-16 10:21:43 C 23 29 42.079 +26 16 44.62 V T08
2025-09-16 10:25:49 C 23 29 42.665 +26 15 55.66 V T08
2025-09-16 10:44:31 C 23 29 45.314 +26 12 12.24 V T08
2025-09-16 10:45:10 C 23 29 45.401 +26 12 04.43 V T08
2025-09-16 10:49:24 C 23 29 46.008 +26 11 13.96 V T08
2025-09-16 10:51:31 C 23 29 46.303 +26 10 48.65 V T08
2025-09-16 10:57:00 C 23 29 47.090 +26 09 43.06 V T08
2025-09-16 11:12:21 C 23 29 49.265 +26 06 40.28 V T08
2025-09-17 02:29:47 V 23 32 48.86 +23 22 05.9 V 270
2025-09-17 02:29:47 v 1 272.08302 +42.83025 270
2025-09-17 02:36:08 V 23 32 49.71 +23 21 06.1 V 270
2025-09-17 02:36:08 v 1 272.08302 +42.83025 270
2025-09-17 02:44:01 V 23 32 50.74 +23 19 51.3 V 270
2025-09-17 02:44:01 v 1 272.08302 +42.83025 270
2025-09-17 02:47:51 V 23 32 51.20 +23 19 16.2 V 270
2025-09-17 02:47:51 v 1 272.08302 +42.83025 270
2025-09-17 10:29:46 C 23 33 52.956 +22 10 28.99 V T05
2025-09-17 10:33:51 C 23 33 53.306 +22 09 53.50 V T05
2025-09-17 10:41:47 C 23 33 53.993 +22 08 44.09 V T05
2025-09-17 10:55:23 C 23 33 55.186 +22 06 45.86 V T05
2025-09-17 18:10:39 B 23 35 03.86 +21 04 48.7 X G02
2025-09-17 18:15:39 B 23 35 04.43 +21 04 10.3 X G02
2025-09-17 18:20:38 B 23 35 04.98 +21 03 31.6 X G02
2025-09-17 18:50:19 C 23 35 08.41 +20 59 38.3 Y 557
2025-09-17 18:53:05 C 23 35 07.79 +20 59 26.9 X L18
2025-09-17 18:53:33 C 23 35 07.82 +20 59 23.5 X L18
2025-09-17 18:54:01 C 23 35 07.86 +20 59 19.9 X L18
2025-09-17 18:54:30 C 23 35 07.92 +20 59 16.0 X L18
2025-09-17 18:54:58 C 23 35 07.94 +20 59 12.3 X L18
2025-09-17 19:20:21 C 23 35 11.56 +20 55 47.8 Y 557
2025-09-17 19:26:38 V 23 35 13.38 +20 54 57.6 V 270
2025-09-17 19:26:38 v 1 003.49987 +47.96638 270
2025-09-17 19:28:45 V 23 35 13.55 +20 54 40.7 V 270
2025-09-17 19:28:45 v 1 003.49987 +47.96638 270
2025-09-17 19:28:53 V 23 35 13.57 +20 54 40.4 V 270
2025-09-17 19:28:53 v 1 003.49987 +47.96638 270
2025-09-17 19:34:19 V 23 35 14.16 +20 54 00.8 V 270
2025-09-17 19:34:19 v 1 003.49987 +47.96638 270
2025-09-17 19:50:20 C 23 35 14.58 +20 51 58.3 Y 557
2025-09-17 19:56:22 B 23 35 16.306 +20 51 25.70 V 160
2025-09-17 19:59:13 B 23 35 16.579 +20 51 03.96 V 160
2025-09-17 20:02:05 B 23 35 16.850 +20 50 42.32 V 160
2025-09-17 20:03:02 B 23 35 16.949 +20 50 35.12 V 160
2025-09-17 20:20:37 C 23 35 17.51 +20 48 07.7 Y 557
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)