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
2025-09-11 18:19:42 B 17 58 08.19 +77 58 43.6 X G02
2025-09-11 18:21:11 B 17 57 59.26 +77 58 06.3 X L76
2025-09-11 18:22:52 B 17 58 31.27 +77 58 03.0 X L76
2025-09-11 18:24:32 B 17 59 03.47 +77 57 59.4 X L76
2025-09-11 18:26:12 B 17 59 35.24 +77 57 56.0 X L76
2025-09-11 18:29:19 B 18 01 12.28 +77 58 26.1 X G02
2025-09-11 21:11:47 B 18 52 25.937 +77 34 18.66 W Z80
2025-09-11 21:12:12 C 18 52 07.95 +77 34 29.2 V 104
2025-09-11 21:16:26 C 18 53 23.97 +77 33 21.3 V 104
2025-09-11 21:20:40 C 18 54 39.72 +77 32 12.3 V 104
2025-09-11 21:20:54 B 18 55 08.878 +77 31 53.18 W Z80
2025-09-11 21:28:04 B 18 57 16.702 +77 29 53.99 W Z80
2025-09-11 21:35:19 B 18 59 25.039 +77 27 49.64 W Z80
2025-09-12 00:23:50 B 19 47 12.79 +76 25 54.4 X W62
2025-09-12 00:27:13 B 19 48 02.63 +76 24 21.0 X W62
2025-09-12 00:30:36 B 19 48 52.09 +76 22 47.0 X W62
2025-09-12 19:10:09 C 22 13 47.398 +63 19 55.63 Z C23
2025-09-12 19:14:47 C 22 14 02.950 +63 16 31.01 Z C23
2025-09-12 19:19:41 C 22 14 19.351 +63 12 55.33 Z C23
2025-09-12 19:24:35 C 22 14 35.698 +63 09 19.15 Z C23
2025-09-12 19:29:28 C 22 14 51.814 +63 05 43.26 Z C23
2025-09-12 19:33:16 C 22 14 54.81 +63 03 59.9 V M32
2025-09-12 19:33:52 C 22 15 06.252 +63 02 30.12 Z C23
2025-09-12 19:34:52 C 22 15 00.05 +63 02 49.0 V M32
2025-09-12 19:36:46 C 22 15 06.17 +63 01 25.2 V M32
2025-09-12 19:38:28 C 22 15 11.60 +63 00 10.5 V M32
2025-09-12 19:38:59 C 22 15 23.174 +62 58 43.39 Z C23
2025-09-12 19:40:11 C 22 15 17.19 +62 58 53.5 V M32
2025-09-12 21:31:19 C 22 21 00.386 +61 36 31.86 Z G19
2025-09-12 21:33:58 C 22 21 07.918 +61 34 35.87 Z G19
2025-09-12 21:36:36 C 22 21 15.439 +61 32 39.34 Z G19
2025-09-12 21:39:16 C 22 21 22.978 +61 30 42.23 Z G19
2025-09-12 21:41:55 C 22 21 30.509 +61 28 45.48 Z G19
2025-09-12 21:44:34 C 22 21 37.968 +61 26 48.48 Z G19
2025-09-13 03:19:22 C 22 35 55.30 +57 28 45.9 X W62
2025-09-13 03:20:00 C 22 35 56.59 +57 28 19.7 X W62
2025-09-13 03:23:55 C 22 36 04.38 +57 25 38.1 X W62
2025-09-13 19:42:20 B 23 00 31.83 +47 20 29.7 X L99
2025-09-13 19:43:00 B 23 00 32.48 +47 20 08.1 X L99
2025-09-13 19:43:40 B 23 00 33.07 +47 19 46.0 X L99
2025-09-13 19:44:20 B 23 00 33.66 +47 19 24.4 X L99
2025-09-13 19:44:22 C 23 00 37.15 +47 19 25.9 V M32
2025-09-13 19:45:46 C 23 00 38.42 +47 18 41.2 V M32
2025-09-13 19:47:36 C 23 00 40.19 +47 17 42.1 V M32
2025-09-13 19:48:23 C 23 00 40.91 +47 17 17.1 V M32
2025-09-13 19:49:32 C 23 00 41.99 +47 16 40.4 V M32
2025-09-13 20:54:28 C 23 01 49.126 +46 41 24.36 Z J69
2025-09-13 20:57:08 C 23 01 51.550 +46 40 00.73 Z J69
2025-09-13 20:59:49 C 23 01 53.986 +46 38 36.85 Z J69
2025-09-13 21:21:44 B 23 02 13.250 +46 27 08.42 W Z80
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)