2011 EF17

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7434663075 ± 3.87e-08
Semi-major axis (a)2.3426814836 AU ± 3.24e-08
Inclination (i)4.21824267° ± 1.13e-05
Long. of Asc. Node (Ω)3.80749217° ± 8.63e-05
Arg. of Perihelion (ω)282.44803786° ± 8.60e-05
Mean Anomaly (M)356.26436463° ± 2.25e-05
Mean Motion (n)0.2748795358°/day ± 5.71e-09
Perihelion dist (q)0.60097673 AU ± 9.11e-08
Aphelion dist (Q)4.08438624 AU ± 1.07e-07
Orbital Period3.58566628 yr ± 7.45e-08
Physical Parameters
H (abs. magnitude)19.21
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.331″
Uncertainty0
Orbit TypeApollo
MOID0.011309 AU
Observations Used71
Oppositions5
Arc Total2011-2018
First Observation Used2011-03-05
Last Observation Used2018-11-19
Observations (72)
Date Type RA Dec Mag Band Observatory
2011-03-05 05:57:23 C 10 10 06.81 +15 29 03.1 r G96
2011-03-05 06:10:27 C 10 10 05.73 +15 29 07.9 r G96
2011-03-05 06:23:26 C 10 10 04.58 +15 29 12.5 r G96
2011-03-05 06:36:30 C 10 10 03.50 +15 29 17.8 r G96
2011-03-05 08:35:32 C 10 09 53.35 +15 30 03.9 r G96
2011-03-05 08:49:00 C 10 09 52.23 +15 30 09.1 r G96
2011-03-05 09:02:27 C 10 09 51.04 +15 30 14.0 r G96
2011-03-05 09:15:59 C 10 09 49.93 +15 30 19.0 r G96
2011-03-05 10:28:22 C 10 09 43.78 +15 30 46.1 o H01
2011-03-05 10:39:53 C 10 09 42.77 +15 30 50.4 o H01
2011-03-05 10:48:06 C 10 09 42.12 +15 30 53.7 o H01
2011-03-05 11:06:33 C 10 09 40.56 +15 31 00.7 o H01
2011-03-06 02:41:04 C 10 08 23.46 +15 37 00.0 o H01
2011-03-06 03:17:31 C 10 08 20.36 +15 37 14.1 o H01
2011-03-06 03:31:33 C 10 08 19.17 +15 37 19.5 o H01
2011-03-06 03:41:10 C 10 08 18.35 +15 37 23.2 o H01
2011-03-06 05:35:38 C 10 08 08.59 +15 38 07.2 r G96
2011-03-06 05:44:01 C 10 08 07.90 +15 38 11.1 r G96
2011-03-06 05:52:25 C 10 08 07.18 +15 38 14.0 r G96
2011-03-06 06:00:57 C 10 08 06.43 +15 38 17.3 r G96
2011-03-06 23:28:47 C 10 06 38.68 +15 44 57.2 o J04
2011-03-06 23:39:05 C 10 06 37.78 +15 45 00.7 o J04
2011-03-06 23:49:23 C 10 06 36.96 +15 45 04.0 o J04
2011-03-10 08:11:09 C 09 59 50.07 +16 14 43.4 o 291
2011-03-10 08:17:14 C 09 59 49.54 +16 14 45.5 o 291
2011-03-10 08:23:29 C 09 59 48.99 +16 14 48.0 o 291
2011-03-11 03:12:34 C 09 58 14.20 +16 21 30.2 o 291
2011-03-11 03:18:18 C 09 58 13.64 +16 21 32.0 o 291
2011-03-11 03:23:54 C 09 58 13.20 +16 21 34.3 o 291
2011-03-13 07:32:45 C 09 53 48.84 +16 39 33.4 o 291
2011-03-13 07:38:16 C 09 53 48.36 +16 39 34.8 o 291
2011-03-13 07:43:50 C 09 53 47.91 +16 39 37.3 o 291
2011-03-14 02:52:30 C 09 52 12.05 +16 46 00.3 o 291
2011-03-14 02:58:02 C 09 52 11.57 +16 46 01.8 o 291
2011-03-14 03:03:48 C 09 52 11.07 +16 46 03.3 o 291
2011-03-25 06:11:38 C 09 30 54.86 +17 59 38.0 o 291
2011-03-25 06:17:36 C 09 30 54.43 +17 59 38.8 o 291
2011-03-25 06:23:06 C 09 30 53.99 +17 59 39.8 o 291
2011-03-26 05:21:05 C 09 29 13.75 +18 04 30.8 o 291
2011-03-26 05:26:42 C 09 29 13.39 +18 04 32.4 o 291
2011-03-26 05:32:18 C 09 29 12.94 +18 04 33.2 o 291
2011-04-24 00:10:08 C 08 58 20.88 +18 37 55.8 o 807
2011-04-24 00:26:30 C 08 58 20.60 +18 37 54.4 o 807
2011-04-24 00:42:52 C 08 58 20.27 +18 37 52.6 o 807
2011-05-21 04:24:14 C 09 04 13.67 +16 32 23.1 o 291
2011-05-21 04:29:45 C 09 04 13.91 +16 32 21.3 o 291
2011-05-21 04:35:09 C 09 04 13.99 +16 32 19.8 o 291
2011-09-20 14:50:41 C 05 20 13.846 +26 05 04.40 o 568
2011-09-21 13:50:34 C 05 18 18.619 +26 10 34.00 o 568
2011-09-21 13:53:10 C 05 18 18.388 +26 10 34.70 o 568