465616 (2009 EC)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3650039488 ± 3.53e-08
Semi-major axis (a)1.7681645738 AU ± 3.46e-09
Inclination (i)37.64189366° ± 1.04e-05
Long. of Asc. Node (Ω)28.59410150° ± 3.24e-06
Arg. of Perihelion (ω)226.07363772° ± 1.07e-05
Mean Anomaly (M)4.39547857° ± 9.79e-06
Mean Motion (n)0.4192067324°/day ± 1.23e-09
Perihelion dist (q)1.12277752 AU ± 6.24e-08
Aphelion dist (Q)2.41355163 AU ± 6.26e-08
Orbital Period2.35116998 yr ± 6.90e-09
Physical Parameters
H (abs. magnitude)18.83
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.309″
Uncertainty0
Orbit TypeAmor
MOID0.204394 AU
Observations Used405
Oppositions8
Arc Total2009-2023
First Observation Used2009-03-01
Last Observation Used2023-05-22
Observations (412)
Date Type RA Dec Mag Band Observatory
2016-04-29 10:09:52 C 11 33 10.66 -05 17 28.0 L T05
2016-04-29 10:32:28 C 11 33 04.59 -05 19 09.2 L T05
2016-04-29 19:35:14 C 11 30 44.45 -05 59 55.5 q 246
2016-04-29 19:36:33 C 11 30 44.10 -06 00 01.5 q 246
2016-04-29 19:37:10 C 11 30 43.91 -06 00 04.1 q 246
2016-04-29 19:37:29 C 11 30 43.81 -06 00 05.4 q 246
2016-04-29 19:37:53 C 11 30 43.74 -06 00 07.5 q 246
2016-04-29 19:38:11 C 11 30 43.64 -06 00 09.1 q 246
2016-04-29 19:38:38 C 11 30 43.48 -06 00 11.2 q 246
2016-04-29 19:39:01 C 11 30 43.41 -06 00 12.6 q 246
2016-04-29 19:39:28 C 11 30 43.31 -06 00 14.4 q 246
2016-04-29 19:39:50 C 11 30 43.20 -06 00 16.3 q 246
2016-04-29 20:52:55 C 11 30 23.82 -06 05 40.8 q 209
2016-04-29 20:58:42 C 11 30 22.27 -06 06 07.2 q 209
2016-04-29 21:04:29 C 11 30 20.64 -06 06 33.7 q 209
2016-05-01 09:18:57 C 11 21 03.80 -08 46 00.9 L T05
2016-05-01 09:40:54 C 11 20 58.06 -08 47 36.9 L T05
2016-05-01 10:03:24 C 11 20 52.26 -08 49 12.5 L T05
2016-05-01 10:25:06 C 11 20 46.70 -08 50 46.8 L T05
2016-05-03 08:16:28 C 11 09 33.21 -12 04 57.1 L T05
2016-05-03 08:33:49 C 11 09 28.89 -12 06 08.5 L T05
2016-05-03 08:50:59 C 11 09 24.67 -12 07 18.8 L T05
2016-05-03 09:08:08 C 11 09 20.50 -12 08 29.4 L T05
2016-05-06 03:24:08 C 10 54 10.62 -16 29 59.8 R G45
2016-05-06 03:31:08 C 10 54 09.04 -16 30 26.2 R G45
2016-05-06 03:37:26 C 10 54 07.63 -16 30 49.9 R G45
2016-05-06 03:43:29 C 10 54 06.23 -16 31 12.3 R G45
2016-05-06 06:11:00 C 10 53 34.36 -16 40 21.1 L T05
2016-05-06 06:27:52 C 10 53 30.48 -16 41 24.9 L T05
2016-05-06 06:46:15 C 10 53 26.41 -16 42 33.1 L T05
2016-05-06 07:04:35 C 10 53 22.20 -16 43 41.7 L T05
2021-09-10 11:16:44 C 03 09 22.62 +05 57 15.0 V G96
2021-09-10 11:26:52 C 03 09 22.23 +05 57 19.4 V G96
2021-09-10 11:37:48 C 03 09 21.80 +05 57 25.0 V G96
2021-09-10 11:45:16 C 03 09 21.52 +05 57 28.2 V G96
2021-09-30 18:56:22 C 02 40 10.23 +09 41 08.1 V D29
2021-09-30 19:16:45 C 02 40 08.58 +09 41 17.2 V D29
2021-10-04 09:53:11 C 02 32 49.691 +10 20 14.59 U F52
2021-10-04 10:10:33 C 02 32 48.128 +10 20 22.41 U F52
2021-10-04 10:27:59 C 02 32 46.565 +10 20 30.22 U F52
2021-10-04 10:45:27 C 02 32 45.006 +10 20 37.94 U F52
2021-10-07 06:51:35 C 02 26 38.14 +10 50 32.1 V G96
2021-10-07 06:59:01 C 02 26 37.47 +10 50 35.4 V G96
2021-10-07 07:06:27 C 02 26 36.77 +10 50 38.5 V G96
2021-10-07 07:13:52 C 02 26 36.08 +10 50 41.7 V G96
2021-10-13 12:13:28 C 02 12 24.531 +11 53 18.81 U F52
2021-10-13 12:30:55 C 02 12 22.778 +11 53 25.88 U F52
2021-10-13 13:05:57 C 02 12 19.291 +11 53 40.00 U F52
2021-10-27 04:54:33 C 01 40 08.72 +13 51 43.3 V G96
2021-10-27 05:02:15 C 01 40 07.99 +13 51 46.2 V G96