307918 (2004 EU9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5052363954 ± 4.18e-08
Semi-major axis (a)0.8804520982 AU ± 5.72e-10
Inclination (i)28.58435208° ± 6.01e-06
Long. of Asc. Node (Ω)161.07845373° ± 2.92e-06
Arg. of Perihelion (ω)202.42572345° ± 5.96e-06
Mean Anomaly (M)215.48202538° ± 1.03e-05
Mean Motion (n)1.1930363523°/day ± 1.16e-09
Perihelion dist (q)0.43561565 AU ± 3.68e-08
Aphelion dist (Q)1.32528854 AU ± 3.68e-08
Orbital Period0.82614941 yr ± 8.06e-10
Physical Parameters
H (abs. magnitude)19.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.368″
Uncertainty0
Orbit TypeAten
MOID0.167618 AU
Observations Used530
Oppositions4
Arc Total2004-2024
First Observation Used2004-03-06
Last Observation Used2024-04-20
Observations (569)
Date Type RA Dec Mag Band Observatory
2014-03-09 15:06:15 C 12 58 37.138 +20 05 32.69 – L F51
2014-03-09 22:17:50 C 12 57 40.87 +20 29 37.2 – q 046
2014-03-09 22:20:35 C 12 57 40.54 +20 29 47.2 – q 046
2014-03-09 22:24:25 C 12 57 39.95 +20 30 00.5 – q 046
2014-03-09 22:25:41 C 12 57 39.73 +20 30 04.3 – q 046
2014-03-12 02:14:29 C 12 50 24.72 +23 22 19.9 – q 160
2014-03-12 02:18:04 C 12 50 24.14 +23 22 31.5 – q 160
2014-03-12 02:21:40 C 12 50 23.63 +23 22 43.2 – q 160
2014-03-13 00:17:16 C 12 47 13.22 +24 33 50.6 – q 160
2014-03-13 00:21:14 C 12 47 12.61 +24 34 03.3 – q 160
2014-03-13 00:25:13 C 12 47 12.01 +24 34 15.9 – q 160
2014-03-13 05:50:02 C 12 46 25.21 +24 51 39.8 – q G96
2014-03-13 05:57:23 C 12 46 24.10 +24 52 03.7 – q G96
2014-03-13 06:04:44 C 12 46 23.01 +24 52 27.4 – q G96
2014-03-13 06:12:05 C 12 46 21.91 +24 52 50.6 – q G96
2014-03-14 00:11:36 C 12 43 40.33 +25 49 53.7 – q 160
2014-03-18 02:49:29 C 12 28 19.70 +30 43 31.2 – q G40
2014-03-18 03:19:41 C 12 28 14.63 +30 44 55.3 – q G40
2014-03-18 03:51:08 C 12 28 09.41 +30 46 21.8 – q G40
2014-03-18 04:19:59 C 12 28 04.61 +30 47 41.8 – q G40
2014-03-18 04:51:08 C 12 27 59.45 +30 49 07.1 – q G40
2014-03-18 05:30:01 C 12 27 54.84 +30 50 53.4 – u H21
2014-03-18 05:34:08 C 12 27 54.16 +30 51 05.3 – u H21
2014-03-18 05:38:15 C 12 27 53.47 +30 51 16.5 – u H21
2014-03-18 05:42:22 C 12 27 52.77 +30 51 27.9 – u H21
2014-03-18 05:46:28 C 12 27 52.09 +30 51 39.6 – u H21
2014-03-18 07:08:59 C 12 27 38.35 +30 55 28.0 – u H21
2014-03-18 07:13:22 C 12 27 37.62 +30 55 40.1 – u H21
2014-03-18 07:18:00 C 12 27 36.85 +30 55 52.9 – u H21
2014-03-18 07:23:11 C 12 27 35.98 +30 56 07.3 – u H21
2014-03-20 05:35:19 C 12 20 08.81 +32 59 28.5 – o 926
2014-03-20 06:01:38 C 12 20 04.42 +33 00 36.3 – o 926
2014-03-20 06:34:27 C 12 19 58.80 +33 02 02.2 – o 926
2014-03-22 23:40:55 C 12 09 18.85 +35 39 05.2 – q 970
2014-03-22 23:50:41 C 12 09 17.20 +35 39 27.5 – q 970
2014-03-22 23:52:51 C 12 09 16.84 +35 39 32.3 – q 970
2014-04-01 06:42:50 C 11 34 08.77 +42 10 12.8 – q 703
2014-04-01 06:48:32 C 11 34 07.66 +42 10 19.5 – R G45
2014-04-01 06:48:38 C 11 34 07.69 +42 10 19.8 – R G45
2014-04-01 06:54:40 C 11 34 06.90 +42 10 26.2 – q 703
2014-04-01 07:06:25 C 11 34 05.08 +42 10 42.6 – q 703
2014-04-01 07:16:51 C 11 34 03.43 +42 10 54.8 – R G45
2014-04-01 07:18:09 C 11 34 03.33 +42 10 57.6 – q 703
2014-04-01 07:35:31 C 11 34 00.58 +42 11 17.8 – R G45
2014-04-03 02:10:11 C 11 27 57.03 +43 01 49.2 – q I15
2014-04-03 02:14:28 C 11 27 56.38 +43 01 54.5 – q I15
2014-04-03 02:18:47 C 11 27 55.78 +43 01 59.8 – q I15
2014-04-03 13:54:35 C 11 26 19.43 +43 14 39.2 – q D29
2014-04-03 14:18:55 C 11 26 16.07 +43 15 05.0 – q D29
2014-04-07 08:48:52 C 11 14 33.146 +44 37 50.24 – L F51