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
2025-09-13 21:29:45 B 23 02 20.335 +46 22 58.26 W Z80
2025-09-13 21:37:49 B 23 02 27.461 +46 18 47.12 W Z80
2025-09-13 23:49:26 C 23 04 01.99 +45 11 12.0 X C40
2025-09-13 23:50:59 C 23 04 03.26 +45 10 24.5 X C40
2025-09-13 23:52:31 C 23 04 04.51 +45 09 36.6 X C40
2025-09-13 23:54:04 C 23 04 05.79 +45 08 49.5 X C40
2025-09-13 23:55:35 C 23 04 07.03 +45 08 01.8 X C40
2025-09-13 23:57:08 C 23 04 08.29 +45 07 14.4 X C40
2025-09-13 23:58:40 C 23 04 09.56 +45 06 26.8 X C40
2025-09-14 00:00:12 C 23 04 10.80 +45 05 39.5 X C40
2025-09-14 00:01:41 C 23 04 12.01 +45 04 54.2 X C40
2025-09-14 00:03:06 C 23 04 13.17 +45 04 10.5 X C40
2025-09-14 19:30:46 C 23 17 23.59 +36 44 06.0 X C40
2025-09-14 19:32:24 C 23 17 24.27 +36 43 31.1 X C40
2025-09-14 19:34:02 C 23 17 24.94 +36 42 56.0 X C40
2025-09-14 19:35:40 C 23 17 25.61 +36 42 21.1 X C40
2025-09-14 19:37:18 C 23 17 26.28 +36 41 46.1 X C40
2025-09-14 19:38:55 C 23 17 26.96 +36 41 11.0 X C40
2025-09-14 19:40:34 C 23 17 27.62 +36 40 36.0 X C40
2025-09-14 19:42:08 C 23 17 28.26 +36 40 02.3 X C40
2025-09-14 19:43:38 C 23 17 28.88 +36 39 30.1 X C40
2025-09-14 19:45:07 C 23 17 29.48 +36 38 58.3 X C40
2025-09-14 19:46:41 C 23 17 30.13 +36 38 24.9 X C40
2025-09-14 19:48:15 C 23 17 30.78 +36 37 51.1 X C40
2025-09-14 23:07:53 C 23 18 57.034 +35 27 50.33 X B67
2025-09-14 23:14:02 C 23 18 59.261 +35 25 45.08 X B67
2025-09-14 23:19:32 C 23 19 01.337 +35 23 52.30 X B67
2025-09-15 00:28:21 B 23 19 46.91 +35 04 22.3 X X76
2025-09-15 00:33:26 B 23 19 48.74 +35 02 44.0 X X76
2025-09-15 00:38:48 B 23 19 50.54 +35 01 00.7 X X76
2025-09-15 02:12:50 V 23 20 33.66 +34 25 52.7 V 270
2025-09-15 02:12:50 v 1 253.55198 +35.31177 270
2025-09-15 02:15:17 V 23 20 34.62 +34 25 06.5 V 270
2025-09-15 02:15:17 v 1 253.55198 +35.31177 270
2025-09-15 02:16:16 V 23 20 34.97 +34 24 48.3 V 270
2025-09-15 02:16:16 v 1 253.55198 +35.31177 270
2025-09-15 02:36:55 V 23 20 42.65 +34 18 19.1 V 270
2025-09-15 02:36:55 v 1 253.55198 +35.31177 270
2025-09-15 05:57:03 C 23 21 49.561 +33 16 55.56 V 703
2025-09-15 06:00:25 C 23 21 50.548 +33 15 54.65 V 703
2025-09-15 06:03:47 C 23 21 51.541 +33 14 53.95 V 703
2025-09-15 06:07:08 C 23 21 52.520 +33 13 53.08 V 703
2025-09-15 18:47:47 C 23 26 05.22 +29 42 35.2 Z L04
2025-09-15 18:51:20 C 23 26 06.09 +29 41 43.4 Z L04
2025-09-15 18:54:43 C 23 26 06.92 +29 40 53.8 Z L04
2025-09-15 18:57:55 C 23 26 07.70 +29 40 06.7 Z L04
2025-09-15 20:00:34 C 23 26 25.092 +29 24 53.93 X M26
2025-09-15 20:03:46 C 23 26 25.841 +29 24 07.85 X M26
2025-09-15 20:07:05 C 23 26 26.580 +29 23 19.93 X M26
2025-09-15 20:10:28 B 23 26 27.418 +29 22 30.97 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)