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
2025-09-21 19:24:48 B 23 42 24.09 +12 58 41.3 X L76
2025-09-21 19:28:17 B 23 42 24.19 +12 58 30.5 X L76
2025-09-21 19:39:19 C 23 42 26.580 +12 57 43.16 Z C23
2025-09-21 19:40:59 C 23 42 26.20 +12 57 42.3 Y 557
2025-09-21 20:11:04 C 23 42 27.08 +12 56 09.4 Y 557
2025-09-21 20:25:17 C 23 42 25.60 +12 55 35.8 X C40
2025-09-21 20:27:13 C 23 42 25.64 +12 55 29.9 X C40
2025-09-21 20:29:09 C 23 42 25.69 +12 55 23.9 X C40
2025-09-21 20:31:05 C 23 42 25.73 +12 55 17.9 X C40
2025-09-21 20:32:14 C 23 42 28.262 +12 55 00.66 Z C23
2025-09-21 20:32:54 C 23 42 25.78 +12 55 12.2 X C40
2025-09-21 20:34:36 C 23 42 25.81 +12 55 06.9 X C40
2025-09-21 20:36:19 C 23 42 25.85 +12 55 01.6 X C40
2025-09-21 20:38:02 C 23 42 25.88 +12 54 56.3 X C40
2025-09-21 20:39:44 C 23 42 25.92 +12 54 51.0 X C40
2025-09-21 20:41:10 C 23 42 27.89 +12 54 36.4 Y 557
2025-09-21 20:41:26 C 23 42 25.96 +12 54 45.7 X C40
2025-09-21 20:43:09 C 23 42 26.00 +12 54 40.4 X C40
2025-09-21 20:44:51 C 23 42 26.04 +12 54 35.0 X C40
2025-09-21 21:11:17 C 23 42 28.66 +12 53 03.8 Y 557
2025-09-21 21:39:48 B 23 42 29.892 +12 51 45.29 V 160
2025-09-21 21:43:18 B 23 42 29.971 +12 51 34.70 V 160
2025-09-21 21:46:43 B 23 42 30.055 +12 51 23.98 V 160
2025-09-22 07:32:20 C 23 42 57.982 +12 22 53.34 X F52
2025-09-22 07:47:04 C 23 42 58.230 +12 22 12.00 X F52
2025-09-22 13:45:24 B 23 43 14.601 +12 04 55.22 X N56
2025-09-22 13:55:38 B 23 43 14.924 +12 04 27.39 X N56
2025-09-22 14:05:55 B 23 43 15.186 +12 03 59.79 X N56
2025-09-22 19:19:35 C 23 43 24.12 +11 49 43.3 X C40
2025-09-22 19:21:30 C 23 43 24.17 +11 49 38.5 X C40
2025-09-22 19:23:26 C 23 43 24.20 +11 49 33.3 X C40
2025-09-22 19:25:22 C 23 43 24.23 +11 49 28.3 X C40
2025-09-22 19:27:12 C 23 43 24.27 +11 49 23.6 X C40
2025-09-22 19:28:55 C 23 43 24.29 +11 49 19.0 X C40
2025-09-22 19:30:38 C 23 43 24.34 +11 49 14.7 X C40
2025-09-22 19:32:19 C 23 43 24.36 +11 49 10.2 X C40
2025-09-22 19:34:02 C 23 43 24.41 +11 49 05.5 X C40
2025-09-22 19:35:45 C 23 43 24.44 +11 49 01.0 X C40
2025-09-22 19:37:28 C 23 43 24.46 +11 48 56.5 X C40
2025-09-22 19:39:11 C 23 43 24.48 +11 48 51.9 X C40
2025-09-22 20:26:34 B 23 43 25.23 +11 46 45.5 X L76
2025-09-22 20:42:52 B 23 43 25.51 +11 46 02.9 X L76
2025-09-22 20:59:10 B 23 43 25.79 +11 45 20.3 X L76
2025-09-22 21:15:27 B 23 43 26.07 +11 44 37.8 X L76
2025-09-23 07:58:17 C 23 43 48.335 +11 18 02.59 V 703
2025-09-23 08:01:32 C 23 43 48.392 +11 17 54.64 V 703
2025-09-23 08:04:49 C 23 43 48.414 +11 17 46.57 V 703
2025-09-23 08:08:05 C 23 43 48.464 +11 17 38.33 V 703
2025-09-23 17:40:50 C 23 44 13.03 +10 54 52.2 X C40
2025-09-23 17:43:25 C 23 44 13.11 +10 54 46.4 X C40
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)