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
2025-09-18 23:13:17 C 23 38 01.75 +17 49 06.2 V D48
2025-09-19 00:00:50 C 23 38 03.64 +17 44 30.4 Y 557
2025-09-19 00:29:02 C 23 38 05.31 +17 41 48.6 Y 557
2025-09-19 00:29:45 C 23 38 06.497 +17 41 44.16 Z C23
2025-09-19 00:31:28 C 23 38 06.605 +17 41 34.01 Z C23
2025-09-19 00:59:53 C 23 38 07.20 +17 38 52.1 Y 557
2025-09-19 01:31:35 C 23 38 09.19 +17 35 51.0 Y 557
2025-09-19 02:01:06 C 23 38 11.12 +17 33 03.0 Y 557
2025-09-19 02:31:03 C 23 38 13.15 +17 30 12.8 Y 557
2025-09-19 03:01:01 C 23 38 15.25 +17 27 23.2 Y 557
2025-09-19 03:30:05 C 23 38 17.38 +17 24 39.4 Y 557
2025-09-19 09:32:53 V 23 38 58.79 +16 55 44.6 V 270
2025-09-19 09:32:53 v 1 173.50992 -34.99302 270
2025-09-19 09:33:32 V 23 38 58.82 +16 55 43.0 V 270
2025-09-19 09:33:32 v 1 173.50992 -34.99302 270
2025-09-19 09:42:32 V 23 38 59.27 +16 54 56.2 V 270
2025-09-19 09:42:32 v 1 173.50992 -34.99302 270
2025-09-19 09:43:12 V 23 38 59.30 +16 54 52.3 V 270
2025-09-19 09:43:12 v 1 173.50992 -34.99302 270
2025-09-19 18:40:48 C 23 39 40.09 +16 07 03.7 Y 557
2025-09-19 18:56:26 C 23 39 41.256 +16 05 44.81 Z C23
2025-09-19 19:11:11 C 23 39 41.79 +16 04 42.7 Y 557
2025-09-19 19:40:31 C 23 39 43.35 +16 02 26.6 Y 557
2025-09-19 20:10:56 C 23 39 44.88 +16 00 06.2 Y 557
2025-09-19 20:20:00 B 23 39 43.74 +15 59 25.6 X L99
2025-09-19 20:22:16 C 23 39 46.066 +15 59 09.38 Z C23
2025-09-19 20:22:36 B 23 39 43.84 +15 59 14.3 X L99
2025-09-19 20:24:35 C 23 39 46.255 +15 58 57.83 Z C23
2025-09-19 20:25:12 B 23 39 44.07 +15 59 01.2 X L99
2025-09-19 20:27:48 B 23 39 44.09 +15 58 49.7 X L99
2025-09-19 20:40:16 C 23 39 46.28 +15 57 50.8 Y 557
2025-09-19 21:05:04 C 23 39 48.230 +15 55 51.78 Z C23
2025-09-19 21:06:47 C 23 39 48.300 +15 55 44.47 Z C23
2025-09-19 21:10:23 C 23 39 47.67 +15 55 31.7 Y 557
2025-09-19 21:11:12 B 23 39 48.065 +15 55 20.93 V L65
2025-09-19 21:21:39 B 23 39 48.557 +15 54 33.01 V L65
2025-09-19 21:30:52 C 23 39 49.442 +15 53 54.35 Z C23
2025-09-19 21:32:06 B 23 39 49.056 +15 53 45.13 V L65
2025-09-19 21:32:36 C 23 39 49.562 +15 53 45.78 Z C23
2025-09-19 21:40:46 C 23 39 49.00 +15 53 12.0 Y 557
2025-09-19 22:10:07 C 23 39 50.26 +15 50 57.3 Y 557
2025-09-19 22:19:19 C 23 39 51.372 +15 50 13.11 X B72
2025-09-19 22:21:59 C 23 39 51.487 +15 50 00.79 X B72
2025-09-19 22:24:39 C 23 39 51.588 +15 49 48.67 X B72
2025-09-19 22:40:30 C 23 39 51.53 +15 48 38.1 Y 557
2025-09-20 01:15:19 C 23 39 58.83 +15 36 54.9 V D48
2025-09-20 01:23:08 C 23 39 59.18 +15 36 19.5 V D48
2025-09-20 01:30:34 C 23 39 59.51 +15 35 45.8 V D48
2025-09-20 20:01:16 B 23 41 15.180 +14 19 38.21 V 160
2025-09-20 20:05:00 B 23 41 15.317 +14 19 24.46 V 160
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)