665326 (2009 EF3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3074794003 ± 7.49e-08
Semi-major axis (a)1.0514768862 AU ± 9.72e-09
Inclination (i)16.52926507° ± 6.36e-06
Long. of Asc. Node (Ω)177.50917499° ± 7.62e-06
Arg. of Perihelion (ω)211.04767524° ± 1.03e-05
Mean Anomaly (M)309.00299078° ± 3.88e-06
Mean Motion (n)0.9141399322°/day ± 1.27e-08
Perihelion dist (q)0.72816940 AU ± 7.90e-08
Aphelion dist (Q)1.37478437 AU ± 7.98e-08
Orbital Period1.07820067 yr ± 1.49e-08
Physical Parameters
H (abs. magnitude)21.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.312″
Uncertainty0
Orbit TypeApollo
MOID0.197105 AU
Observations Used147
Oppositions1
Arc Total2009-2024
First Observation Used2009-03-15
Last Observation Used2024-03-13
Observations (160)
Date Type RA Dec Mag Band Observatory
2009-03-26 07:03:51 C 11 34 57.79 +08 31 17.8 r G96
2009-03-26 07:15:58 C 11 34 56.82 +08 31 43.2 r G96
2009-03-26 07:27:48 C 11 34 55.81 +08 32 08.5 r G96
2009-03-26 07:39:25 C 11 34 54.80 +08 32 33.1 r G96
2009-03-27 07:24:48 C 11 33 05.63 +09 21 40.5 o 291
2009-03-27 07:30:46 C 11 33 05.13 +09 21 52.0 o 291
2009-03-27 07:36:16 C 11 33 04.69 +09 22 04.6 o 291
2009-03-28 05:43:34 C 11 31 27.34 +10 06 14.6 o 291
2009-03-28 05:49:11 C 11 31 26.94 +10 06 25.7 o 291
2009-03-28 05:54:42 C 11 31 26.49 +10 06 36.8 o 291
2009-03-31 06:31:41 C 11 26 30.01 +12 20 57.8 r G96
2009-03-31 06:45:36 C 11 26 28.96 +12 21 21.7 r G96
2009-03-31 06:59:37 C 11 26 27.96 +12 21 45.9 r G96
2009-03-31 07:13:41 C 11 26 27.02 +12 22 10.7 r G96
2009-04-01 06:15:46 C 11 25 01.99 +13 01 20.8 r G96
2009-04-01 06:30:10 C 11 25 01.05 +13 01 44.6 r G96
2009-04-01 06:44:34 C 11 25 00.08 +13 02 08.5 r G96
2009-04-01 08:36:45 C 11 24 52.69 +13 05 15.9 o 291
2009-04-01 08:42:19 C 11 24 52.31 +13 05 23.2 o 291
2009-04-01 08:47:49 C 11 24 51.98 +13 05 32.5 o 291
2009-04-16 03:58:33 C 11 11 44.49 +20 00 49.3 o H55
2009-04-16 04:24:08 C 11 11 43.98 +20 01 08.7 o H55
2009-04-16 04:31:54 C 11 11 43.83 +20 01 14.4 o H55
2009-04-17 07:49:56 C 11 11 20.82 +20 20 50.6 o 291
2009-04-17 07:55:42 C 11 11 20.78 +20 20 53.8 o 291
2010-02-09 23:43:42 S 04 32 50.678 -37 34 49.40 L C51
2010-02-10 01:19:03 S 04 33 19.183 -37 29 34.55 L C51
2010-02-10 04:29:34 S 04 34 15.946 -37 19 01.88 L C51
2010-02-10 07:40:05 S 04 35 12.869 -37 08 30.66 L C51
2010-02-10 09:15:26 S 04 35 40.920 -37 03 13.43 L C51
2010-02-17 02:15:00 C 05 19 15.38 -27 35 21.8 c 926
2010-02-18 02:20:55 C 05 25 07.21 -26 07 12.0 c 926
2010-02-18 02:44:51 C 05 25 12.73 -26 05 44.0 c 926
2010-02-18 02:58:43 C 05 25 15.90 -26 04 53.9 c 926
2010-03-12 05:44:00 C 07 04 35.49 +01 33 07.1 o 291
2010-03-12 05:50:33 C 07 04 36.43 +01 33 22.6 o 291
2010-03-12 06:13:51 C 07 04 39.73 +01 34 13.9 o 291
2010-03-13 06:03:27 C 07 08 12.04 +02 27 45.7 o 291
2010-03-13 06:09:44 C 07 08 12.99 +02 28 00.0 o 291
2010-03-13 06:15:40 C 07 08 13.79 +02 28 12.5 o 291
2021-04-09 10:52:32 C 17 44 13.27 +03 04 58.4 o 291
2021-04-09 11:14:02 C 17 44 14.38 +03 05 27.8 o 291
2021-04-09 11:35:36 C 17 44 15.48 +03 05 56.2 o 291
2021-05-10 08:27:49 C 18 07 07.78 +23 48 37.2 u H21
2021-05-10 08:39:15 C 18 07 07.73 +23 48 58.7 u H21
2021-05-10 08:48:28 C 18 07 07.66 +23 49 17.4 u H21
2021-05-13 08:05:20 C 18 06 58.79 +26 09 35.9 u H21
2021-05-13 08:10:01 C 18 06 58.73 +26 09 45.2 u H21
2021-05-17 09:50:53 C 18 05 54.28 +29 24 11.8 V G96
2021-05-17 09:59:11 C 18 05 54.11 +29 24 28.8 V G96