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
2025-09-27 20:03:55 B 23 46 41.26 +08 05 34.3 X L76
2025-09-28 03:00:25 C 23 46 50.251 +07 58 07.43 V W68
2025-09-28 03:04:22 C 23 46 50.239 +07 58 03.29 V W68
2025-09-28 03:09:38 C 23 46 50.273 +07 57 56.09 V W68
2025-09-28 03:19:32 C 23 46 50.282 +07 57 43.60 V W68
2025-09-29 01:56:47 C 23 47 14.222 +07 29 39.80 V R17
2025-09-29 02:16:15 C 23 47 14.273 +07 29 17.34 V R17
2025-09-29 02:35:43 C 23 47 14.352 +07 28 55.27 V R17
2025-09-29 02:55:12 C 23 47 14.472 +07 28 32.92 V R17
2025-09-29 08:08:14 C 23 47 21.296 +07 22 42.46 V 703
2025-09-29 08:11:31 C 23 47 21.325 +07 22 39.07 V 703
2025-09-29 08:18:02 C 23 47 21.368 +07 22 31.51 V 703
2025-09-29 20:03:40 B 23 47 37.745 +07 09 47.88 X K19
2025-09-29 20:08:58 B 23 47 37.747 +07 09 42.55 X K19
2025-09-29 20:14:45 B 23 47 37.781 +07 09 36.83 X K19
2025-09-29 21:07:22 B 23 47 37.882 +07 08 42.94 V 160
2025-09-29 21:15:10 B 23 47 37.930 +07 08 34.80 V 160
2025-09-30 00:13:21 C 23 47 40.193 +07 05 47.65 V R17
2025-09-30 00:33:03 C 23 47 40.243 +07 05 27.20 V R17
2025-09-30 00:52:46 C 23 47 40.282 +07 05 07.40 V R17
2025-09-30 01:12:29 C 23 47 40.298 +07 04 47.06 V R17
2025-10-01 08:24:36 C 23 48 14.412 +06 35 19.17 X F51
2025-10-01 08:42:37 C 23 48 14.438 +06 35 03.28 X F51
2025-10-01 09:19:00 C 23 48 14.475 +06 34 31.30 X F51
2025-10-01 14:56:42 C 23 48 20.417 +06 30 17.71 V P07
2025-10-01 15:21:52 C 23 48 20.426 +06 29 55.54 V P07
2025-10-01 15:43:28 C 23 48 20.472 +06 29 37.14 V P07
2025-10-01 16:22:53 C 23 48 20.513 +06 29 03.26 V P07
2025-10-02 04:55:09 C 23 48 34.895 +06 17 43.76 V G96
2025-10-02 05:03:20 C 23 48 34.924 +06 17 37.10 V G96
2025-10-02 05:11:31 C 23 48 34.945 +06 17 30.59 V G96
2025-10-02 05:19:40 C 23 48 34.981 +06 17 24.07 V G96
2025-10-11 14:27:22 C 23 52 11.568 +04 14 45.95 W O18
2025-10-11 15:29:02 C 23 52 12.125 +04 14 24.73 W O18
2025-10-12 13:23:44 C 23 52 35.599 +04 07 01.06 W O18
2025-10-12 14:25:02 C 23 52 36.263 +04 06 41.73 W O18
2025-10-12 15:26:41 C 23 52 36.874 +04 06 21.97 W O18
2025-10-13 07:36:27 C 23 52 54.249 +04 01 29.11 X F51
2025-10-13 07:54:45 C 23 52 54.407 +04 01 23.70 X F51
2025-10-13 08:13:06 C 23 52 54.566 +04 01 18.15 X F51
2025-10-13 08:31:34 C 23 52 54.720 +04 01 12.61 X F51
2025-10-14 15:44:54 C 23 53 28.586 +03 52 09.32 W O18
2025-10-14 16:30:08 C 23 53 29.106 +03 51 56.94 W O18
2025-10-15 13:22:40 C 23 53 53.784 +03 46 34.79 W O18
2025-10-15 13:24:26 C 23 53 53.810 +03 46 34.33 W O18
2025-10-18 13:20:17 C 23 55 19.464 +03 31 11.65 W O18
2025-10-18 15:32:12 C 23 55 21.426 +03 30 48.10 W O18
2025-10-19 04:48:48 C 23 55 38.356 +03 28 31.22 V G96
2025-10-19 04:56:54 C 23 55 38.489 +03 28 29.71 V G96
2025-10-19 05:05:00 C 23 55 38.593 +03 28 28.31 V G96
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)