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
2019-03-25 08:48:48 C 14 00 03.91 +36 34 53.3 V 703
2019-03-25 08:56:37 C 14 00 02.94 +36 35 16.3 V 703
2019-03-25 12:08:36 C 13 59 41.26 +36 44 36.1 V T05
2019-03-25 12:25:15 C 13 59 39.25 +36 45 23.8 V T05
2019-03-25 12:27:14 C 13 59 39.02 +36 45 29.6 V T05
2019-03-25 12:51:06 C 13 59 36.13 +36 46 39.0 V T05
2019-03-26 12:26:57 C 13 56 52.13 +37 54 09.6 V T05
2019-03-26 12:40:25 C 13 56 50.49 +37 54 47.2 V T05
2019-03-26 12:49:11 C 13 56 49.36 +37 55 12.6 V T05
2019-03-26 13:08:04 C 13 56 47.02 +37 56 05.1 V T05
2019-03-26 13:25:25 C 13 56 44.73 +37 56 54.1 V T05
2019-03-27 08:29:48 C 13 54 27.42 +38 50 23.9 V G96
2019-03-27 08:36:01 C 13 54 26.63 +38 50 41.2 V G96
2019-03-27 08:42:13 C 13 54 25.83 +38 50 58.5 V G96
2019-03-27 08:48:28 C 13 54 25.05 +38 51 15.8 V G96
2019-03-28 13:12:24 C 13 50 49.98 +40 09 16.0 V T08
2019-03-28 13:17:57 C 13 50 49.21 +40 09 30.9 V T08
2019-03-28 13:35:22 C 13 50 46.90 +40 10 17.8 V T08
2019-03-28 13:49:23 C 13 50 44.98 +40 10 55.2 V T08
2019-03-30 08:36:42 C 13 45 03.45 +42 03 46.5 V 703
2019-03-30 08:44:28 C 13 45 02.30 +42 04 06.6 V 703
2019-03-30 08:52:09 C 13 45 01.17 +42 04 26.3 V 703
2019-03-30 08:59:50 C 13 45 00.04 +42 04 44.9 V 703
2019-04-02 21:48:40 C 13 32 37.88 +45 30 29.0 o L52
2019-04-02 22:38:04 C 13 32 30.26 +45 32 21.7 o L52
2019-04-03 07:47:43 C 13 31 05.30 +45 53 04.2 V 703
2019-04-03 07:55:40 C 13 31 03.93 +45 53 21.8 V 703
2019-04-03 08:03:34 C 13 31 02.74 +45 53 39.9 V 703
2019-04-03 08:11:46 C 13 31 01.39 +45 53 57.7 V 703
2019-04-03 12:49:01 C 13 30 17.47 +46 04 17.2 V T05
2019-04-03 13:14:02 C 13 30 13.36 +46 05 12.4 V T05
2019-04-03 13:28:36 C 13 30 10.96 +46 05 44.6 V T05
2019-04-03 13:39:31 C 13 30 09.24 +46 06 08.2 V T05
2019-04-07 07:37:28 C 13 15 31.45 +49 09 38.7 V 703
2019-04-07 07:45:22 C 13 15 30.05 +49 09 54.4 V 703
2019-04-07 07:53:00 C 13 15 28.71 +49 10 07.7 V 703
2019-04-07 08:00:37 C 13 15 27.33 +49 10 22.8 V 703
2019-04-11 07:08:00 C 12 59 01.10 +51 49 24.5 V 703
2019-04-11 07:15:45 C 12 58 59.61 +51 49 35.8 V 703
2019-04-11 07:23:31 C 12 58 58.21 +51 49 47.0 V 703
2019-04-11 07:31:16 C 12 58 56.74 +51 49 59.7 V 703
2019-04-16 05:28:24 C 12 38 07.70 +54 18 43.7 V 703
2019-04-16 05:35:14 C 12 38 06.32 +54 18 51.1 V 703
2019-04-16 05:42:05 C 12 38 05.12 +54 18 57.6 V 703
2019-04-16 05:48:55 C 12 38 03.82 +54 19 04.8 V 703
2019-04-16 09:15:50 C 12 37 27.400 +54 22 44.07 U F51
2019-04-16 09:29:21 C 12 37 24.914 +54 22 58.06 U F51
2019-04-16 09:42:46 C 12 37 22.443 +54 23 11.97 U F51
2019-04-16 09:56:08 C 12 37 19.979 +54 23 25.66 U F51
2019-04-21 05:48:27 C 12 17 31.06 +56 01 18.9 V G96