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
2025-09-23 17:45:59 C 23 44 13.18 +10 54 40.2 X C40
2025-09-23 17:48:33 C 23 44 13.23 +10 54 34.3 X C40
2025-09-23 17:51:07 C 23 44 13.29 +10 54 28.9 X C40
2025-09-23 17:53:42 C 23 44 13.28 +10 54 22.4 X C40
2025-09-23 17:56:16 C 23 44 13.38 +10 54 17.5 X C40
2025-09-23 17:58:50 C 23 44 13.40 +10 54 11.7 X C40
2025-09-23 18:01:17 C 23 44 13.50 +10 54 06.1 X C40
2025-09-23 18:03:39 C 23 44 13.51 +10 54 00.9 X C40
2025-09-23 18:06:01 C 23 44 13.58 +10 53 56.0 X C40
2025-09-23 18:08:21 C 23 44 13.64 +10 53 50.6 X C40
2025-09-23 18:21:39 C 23 44 13.81 +10 53 20.6 X C40
2025-09-23 18:23:22 C 23 44 13.87 +10 53 16.8 X C40
2025-09-23 18:26:47 C 23 44 13.90 +10 53 09.2 X C40
2025-09-23 18:30:14 C 23 44 13.97 +10 53 02.0 X C40
2025-09-23 18:31:50 C 23 44 13.99 +10 52 58.5 X C40
2025-09-23 18:33:20 C 23 44 14.00 +10 52 55.2 X C40
2025-09-23 18:34:50 C 23 44 14.04 +10 52 51.4 X C40
2025-09-23 20:49:23 B 23 44 15.85 +10 47 49.5 X L76
2025-09-23 20:55:10 B 23 44 15.93 +10 47 36.4 X L76
2025-09-23 21:00:57 B 23 44 16.01 +10 47 24.0 X L76
2025-09-23 21:06:45 B 23 44 16.09 +10 47 11.0 X L76
2025-09-23 21:12:32 B 23 44 16.18 +10 46 58.1 X L76
2025-09-23 21:18:19 B 23 44 16.23 +10 46 45.1 X L76
2025-09-24 07:04:55 C 23 44 34.804 +10 26 02.51 V 703
2025-09-24 07:08:10 C 23 44 34.818 +10 25 55.70 V 703
2025-09-24 07:11:26 C 23 44 34.811 +10 25 48.72 V 703
2025-09-24 07:14:42 C 23 44 34.868 +10 25 42.38 V 703
2025-09-25 05:24:47 C 23 45 14.987 +09 42 25.81 V G96
2025-09-25 05:32:16 C 23 45 15.041 +09 42 12.38 V G96
2025-09-25 05:36:52 B 23 45 15.686 +09 41 52.22 V U52
2025-09-25 05:39:46 C 23 45 15.091 +09 41 58.74 V G96
2025-09-25 05:45:16 B 23 45 15.814 +09 41 35.02 V U52
2025-09-25 05:47:15 C 23 45 15.138 +09 41 45.28 V G96
2025-09-25 07:48:45 C 23 45 15.815 +09 38 04.99 V 703
2025-09-25 07:52:02 C 23 45 15.865 +09 38 00.28 V 703
2025-09-25 07:55:20 C 23 45 15.872 +09 37 54.19 V 703
2025-09-25 15:51:52 B 23 45 33.917 +09 24 02.20 W M73
2025-09-25 16:03:16 B 23 45 34.087 +09 23 43.19 W M73
2025-09-25 16:14:08 B 23 45 34.219 +09 23 25.33 W M73
2025-09-25 16:24:03 B 23 45 34.327 +09 23 08.59 W M73
2025-09-26 18:10:21 B 23 46 09.54 +08 41 34.3 X L76
2025-09-26 18:23:19 B 23 46 09.66 +08 41 15.4 X L76
2025-09-26 18:36:18 B 23 46 09.76 +08 40 56.4 X L76
2025-09-26 18:49:17 B 23 46 09.89 +08 40 37.4 X L76
2025-09-26 19:02:16 B 23 46 10.01 +08 40 18.0 X L76
2025-09-27 19:09:49 B 23 46 40.89 +08 06 44.3 X L76
2025-09-27 19:20:39 B 23 46 40.97 +08 06 30.4 X L76
2025-09-27 19:31:28 B 23 46 41.04 +08 06 16.3 X L76
2025-09-27 19:42:17 B 23 46 41.10 +08 06 02.4 X L76
2025-09-27 19:53:06 B 23 46 41.19 +08 05 48.3 X L76
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)