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
2014-04-07 09:25:24 C 11 14 28.438 +44 38 18.10 L F51
2014-04-12 02:12:05 C 11 02 04.31 +45 48 05.1 u H21
2014-04-12 02:16:21 C 11 02 03.92 +45 48 07.2 u H21
2014-04-12 02:20:12 C 11 02 03.46 +45 48 08.4 u H21
2014-04-12 02:23:55 C 11 02 03.09 +45 48 10.4 u H21
2014-04-12 04:41:53 C 11 01 49.02 +45 49 19.5 711
2014-04-12 04:46:43 C 11 01 48.46 +45 49 21.7 711
2014-04-12 04:52:22 C 11 01 47.88 +45 49 24.9 711
2014-05-11 06:17:14 C 10 33 51.948 +46 04 30.01 L F51
2014-05-11 06:34:24 C 10 33 51.949 +46 04 26.00 L F51
2014-05-11 06:51:57 C 10 33 51.984 +46 04 21.93 L F51
2014-05-11 07:09:06 C 10 33 51.998 +46 04 17.55 L F51
2018-03-29 04:26:08 C 07 12 09.92 +21 38 54.3 U G96
2018-03-29 04:35:34 C 07 12 11.08 +21 39 05.2 U G96
2018-03-29 04:57:12 C 07 12 13.75 +21 39 30.2 U G96
2019-01-12 15:11:38 C 13 47 47.105 -16 46 23.68 U F51
2019-01-12 15:26:35 C 13 47 48.045 -16 46 15.29 U F51
2019-01-12 15:34:04 C 13 47 48.521 -16 46 11.27 U F51
2019-03-03 02:15:39 C 14 31 42.84 +10 14 28.8 V C95
2019-03-03 02:19:16 C 14 31 42.79 +10 14 37.6 V C95
2019-03-03 02:22:52 C 14 31 42.70 +10 14 46.7 V C95
2019-03-03 02:26:28 C 14 31 42.62 +10 14 53.3 V C95
2019-03-03 13:19:57 C 14 31 33.49 +10 43 24.0 V T08
2019-03-03 13:42:02 C 14 31 33.02 +10 44 22.4 V T08
2019-03-03 13:57:19 C 14 31 32.70 +10 45 03.7 V T08
2019-03-03 14:04:24 C 14 31 32.59 +10 45 21.0 V T08
2019-03-05 10:31:54 C 14 30 44.05 +12 44 00.8 V 703
2019-03-05 10:39:26 C 14 30 43.90 +12 44 21.6 V 703
2019-03-05 10:47:00 C 14 30 43.65 +12 44 41.6 V 703
2019-03-05 10:54:33 C 14 30 43.53 +12 45 02.5 V 703
2019-03-09 08:46:57 C 14 28 01.46 +17 09 56.3 V 703
2019-03-09 08:54:28 C 14 28 01.18 +17 10 17.5 V 703
2019-03-09 09:01:59 C 14 28 00.81 +17 10 39.8 V 703
2019-03-09 09:09:30 C 14 28 00.56 +17 11 02.0 V 703
2019-03-09 10:52:25 C 14 27 56.27 +17 16 02.1 V G96
2019-03-09 10:59:57 C 14 27 55.94 +17 16 24.3 V G96
2019-03-09 11:14:55 C 14 27 55.31 +17 17 07.9 V G96
2019-03-15 12:01:13 C 14 20 44.40 +24 34 05.1 V T08
2019-03-15 12:03:07 C 14 20 44.37 +24 34 11.2 V T08
2019-03-15 12:14:30 C 14 20 43.51 +24 34 47.4 V T08
2019-03-15 12:17:21 C 14 20 43.36 +24 34 55.7 V T08
2019-03-15 12:20:50 C 14 20 43.12 +24 35 05.9 V T08
2019-03-15 12:23:33 C 14 20 42.89 +24 35 15.0 V T08
2019-03-17 08:01:23 C 14 17 46.64 +26 50 10.9 V 703
2019-03-17 08:24:46 C 14 17 44.89 +26 51 23.0 V 703
2019-03-18 07:27:27 C 14 16 02.12 +28 02 46.3 u H21
2019-03-18 07:31:21 C 14 16 01.79 +28 02 58.2 u H21
2019-03-18 07:39:10 C 14 16 01.17 +28 03 22.6 u H21
2019-03-25 08:33:17 C 14 00 05.86 +36 34 07.1 V 703
2019-03-25 08:41:02 C 14 00 04.81 +36 34 30.9 V 703