1999 EF5

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4271932350 ± 1.18e-07
Semi-major axis (a)2.2283488579 AU ± 3.97e-09
Inclination (i)31.04800238° ± 3.09e-05
Long. of Asc. Node (Ω)6.14193153° ± 6.92e-06
Arg. of Perihelion (ω)179.09121566° ± 5.88e-05
Mean Anomaly (M)5.22346047° ± 1.88e-05
Mean Motion (n)0.2963039918°/day ± 7.91e-10
Perihelion dist (q)1.27641330 AU ± 2.62e-07
Aphelion dist (Q)3.18028442 AU ± 2.62e-07
Orbital Period3.32640231 yr ± 8.88e-09
Physical Parameters
H (abs. magnitude)19.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.457″
Uncertainty0
Orbit TypeAmor
MOID0.278537 AU
Observations Used99
Oppositions14
Arc Total1999-2019
First Observation Used1999-03-15
Last Observation Used2019-03-27
Observations (107)
Date Type RA Dec Mag Band Observatory
1999-04-06 11:25:33 C 11 39 05.69 -17 29 12.4 422
1999-04-06 11:28:46 C 11 39 05.16 -17 29 23.5 422
1999-04-06 12:48:24 C 11 38 51.89 -17 34 27.5 z 402
1999-04-06 12:50:43 C 11 38 51.52 -17 34 37.6 z 402
1999-04-06 12:53:02 C 11 38 51.17 -17 34 45.5 z 402
1999-04-11 14:59:34 C 11 20 10.39 -23 57 16.5 422
1999-04-11 15:02:49 C 11 20 09.94 -23 57 25.8 422
1999-04-15 11:43:14 C 11 07 59.77 -27 56 54.1 422
1999-04-15 11:44:36 C 11 07 59.60 -27 56 57.0 422
1999-04-15 11:46:19 C 11 07 59.40 -27 57 00.8 422
1999-04-22 10:01:57 C 10 50 55.50 -33 29 27.2 426
1999-04-22 10:07:31 C 10 50 54.97 -33 29 36.1 426
1999-04-22 10:13:41 C 10 50 54.49 -33 29 46.8 426
2009-03-20 07:48:42 C 13 54 28.21 -14 15 48.3 18.9 c 704
2009-03-20 08:22:09 C 13 54 24.18 -14 18 02.3 19.0 c 704
2009-03-20 08:38:54 C 13 54 22.13 -14 19 09.5 19.4 c 704
2009-03-20 08:55:41 C 13 54 20.14 -14 20 16.3 19.3 c 704
2009-03-20 23:03:52 C 13 52 42.56 -15 16 19.4 r A17
2009-03-20 23:12:18 C 13 52 41.53 -15 16 53.3 r A17
2009-03-20 23:20:45 C 13 52 40.39 -15 17 26.6 r A17
2009-03-20 23:59:54 C 13 52 35.61 -15 20 01.9 r 235
2009-03-21 00:02:41 C 13 52 35.52 -15 20 13.8 r J95
2009-03-21 00:05:41 C 13 52 34.89 -15 20 24.5 r 235
2009-03-21 00:06:03 C 13 52 34.95 -15 20 27.1 o 611
2009-03-21 00:09:24 C 13 52 34.70 -15 20 40.3 r J95
2009-03-21 00:10:02 C 13 52 34.45 -15 20 42.1 o 611
2009-03-21 00:14:01 C 13 52 33.94 -15 20 58.7 o 611
2009-03-21 00:15:43 C 13 52 33.65 -15 21 04.4 c 595
2009-03-21 00:16:08 C 13 52 33.86 -15 21 07.3 r J95
2009-03-21 00:17:59 C 13 52 33.46 -15 21 14.2 o 611
2009-03-21 00:29:07 C 13 52 32.01 -15 21 58.1 c 595
2009-03-21 02:46:52 C 13 52 15.05 -15 31 05.1 v 204
2009-03-21 02:51:24 C 13 52 14.47 -15 31 23.0 v 204
2009-03-21 03:59:39 C 13 52 06.05 -15 35 53.8 v 204
2009-03-29 16:24:44 C 13 22 58.87 -29 03 58.4 r E12
2009-03-29 16:42:49 C 13 22 55.70 -29 05 06.6 r E12
2009-03-29 17:01:01 C 13 22 52.57 -29 06 15.0 r E12
2009-03-29 17:19:12 C 13 22 49.44 -29 07 23.7 r E12
2019-01-08 12:37:47 C 13 39 49.15 +29 37 01.7 o 691
2019-01-08 12:56:35 C 13 39 50.78 +29 36 45.5 o 691
2019-01-08 13:15:23 C 13 39 52.37 +29 36 29.4 o 691
2019-02-09 11:50:21 C 14 32 21.77 +15 18 50.9 V G96
2019-02-09 11:57:40 C 14 32 22.11 +15 18 39.6 V G96
2019-02-09 12:05:01 C 14 32 22.43 +15 18 28.6 V G96
2019-02-09 12:12:21 C 14 32 22.74 +15 18 17.1 V G96
2019-03-06 11:01:37 C 14 47 04.84 -06 27 03.2 V 703
2019-03-06 11:09:13 C 14 47 04.75 -06 27 26.1 V 703
2019-03-06 11:16:50 C 14 47 04.75 -06 27 48.4 V 703
2019-03-06 11:24:27 C 14 47 04.59 -06 28 11.9 V 703
2019-03-15 10:58:26 C 14 42 24.11 -18 22 25.1 V G96