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
1999-03-15 09:09:28 C 13 09 49.97 +16 17 56.8 19.1 a 704
1999-03-15 10:01:31 C 13 09 42.03 +16 15 13.4 19.9 a 704
1999-03-15 10:27:18 C 13 09 38.01 +16 13 50.5 19.7 a 704
1999-03-15 10:53:10 C 13 09 34.06 +16 12 29.3 19.7 a 704
1999-03-15 22:42:35 C 13 07 51.20 +15 34 44.4 z 587
1999-03-15 22:47:07 C 13 07 50.47 +15 34 30.1 z 587
1999-03-15 22:55:07 C 13 07 49.30 +15 34 04.6 z 587
1999-03-16 12:22:13 C 13 05 49.00 +14 50 54.2 422
1999-03-16 12:23:45 C 13 05 48.68 +14 50 48.6 422
1999-03-16 12:27:31 C 13 05 48.17 +14 50 36.1 422
1999-03-16 12:29:51 C 13 05 47.74 +14 50 28.9 422
1999-03-16 12:31:27 C 13 05 47.47 +14 50 24.8 422
1999-03-17 11:58:38 C 13 02 11.98 +13 31 54.1 422
1999-03-17 12:06:32 C 13 02 10.75 +13 31 27.8 422
1999-03-17 12:07:30 C 13 02 10.55 +13 31 25.1 422
1999-03-17 12:08:47 C 13 02 10.38 +13 31 20.0 422
1999-03-17 14:56:30 C 13 01 43.57 +13 21 17.2 z 402
1999-03-17 14:58:18 C 13 01 43.33 +13 21 11.8 z 402
1999-03-17 15:00:08 C 13 01 42.99 +13 21 05.3 z 402
1999-03-17 15:01:56 C 13 01 42.70 +13 20 59.3 z 402
1999-03-18 22:05:17 C 12 56 47.42 +11 32 17.1 d 046
1999-03-18 22:06:36 C 12 56 47.18 +11 32 13.0 d 046
1999-03-18 22:09:13 C 12 56 46.74 +11 32 03.1 d 046
1999-03-18 22:10:28 C 12 56 46.51 +11 31 58.6 d 046
1999-03-20 11:06:00 C 12 50 41.81 +09 17 01.8 658
1999-03-20 11:12:18 C 12 50 40.65 +09 16 37.3 658
1999-03-20 11:19:09 C 12 50 39.46 +09 16 11.6 658
1999-03-21 03:04:16 C 12 48 00.36 +08 16 51.3 104
1999-03-21 03:06:59 C 12 47 59.93 +08 16 41.0 104
1999-03-21 03:09:39 C 12 47 59.47 +08 16 30.0 104
1999-03-23 07:59:18 C 12 38 54.99 +04 50 53.5 17.9 a 704
1999-03-23 08:20:32 C 12 38 51.06 +04 49 28.7 18.3 a 704
1999-03-23 08:41:41 C 12 38 47.22 +04 48 03.9 18.5 a 704
1999-03-23 09:02:54 C 12 38 43.34 +04 46 39.4 18.7 a 704
1999-03-23 09:24:05 C 12 38 39.54 +04 45 12.9 19.2 a 704
1999-03-24 23:37:31 C 12 31 54.96 +02 11 06.3 118
1999-03-24 23:39:40 C 12 31 54.54 +02 10 57.3 118
1999-03-26 06:13:22 C 12 26 25.17 +00 06 27.3 z 860
1999-03-26 06:19:20 C 12 26 24.10 +00 06 00.3 z 860
1999-03-26 06:24:14 C 12 26 23.13 +00 05 38.1 z 860
1999-03-27 13:55:26 C 12 20 44.29 -02 04 48.9 z 402
1999-03-27 13:57:14 C 12 20 43.98 -02 04 57.6 z 402
1999-03-27 13:59:04 C 12 20 43.71 -02 05 03.9 z 402
1999-04-05 13:12:59 C 11 42 45.44 -16 11 44.6 360
1999-04-05 13:16:14 C 11 42 44.86 -16 11 56.2 360
1999-04-05 13:19:14 C 11 42 44.33 -16 12 07.4 360
1999-04-06 07:03:16 C 11 39 47.51 -17 14 33.1 z 719
1999-04-06 07:08:04 C 11 39 46.78 -17 14 49.1 z 719
1999-04-06 11:22:44 C 11 39 06.19 -17 29 02.2 422
1999-04-06 11:23:47 C 11 39 05.94 -17 29 07.3 422