196256 (2003 EH1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6187237155 ± 7.82e-08
Semi-major axis (a)3.1223592034 AU ± 1.06e-08
Inclination (i)70.87597070° ± 1.72e-05
Long. of Asc. Node (Ω)282.99957168° ± 1.97e-05
Arg. of Perihelion (ω)171.32136668° ± 2.17e-05
Mean Anomaly (M)43.00353591° ± 7.93e-06
Mean Motion (n)0.1786438132°/day ± 9.12e-10
Perihelion dist (q)1.19048152 AU ± 2.44e-07
Aphelion dist (Q)5.05423689 AU ± 2.45e-07
Orbital Period5.51727074 yr ± 2.82e-08
Physical Parameters
H (abs. magnitude)16.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.375″
Uncertainty0
Orbit TypeAmor
MOID0.211531 AU
Observations Used143
Oppositions18
Arc Total2003-2025
First Observation Used2003-03-06
Last Observation Used2025-03-25
Observations (150)
Date Type RA Dec Mag Band Observatory
2004-01-06 07:47:40 C 17 21 56.66 -66 22 07.2 809
2004-01-06 08:07:27 C 17 21 59.05 -66 22 07.5 809
2004-01-06 08:30:20 C 17 22 01.70 -66 22 08.1 809
2004-01-06 08:34:47 C 17 22 02.32 -66 22 08.1 809
2004-01-06 08:39:14 C 17 22 02.93 -66 22 08.6 809
2004-01-06 08:43:41 C 17 22 03.52 -66 22 08.5 809
2008-04-22 14:28:41 C 23 08 55.636 +49 16 54.07 o 568
2008-04-22 14:33:17 C 23 08 56.301 +49 16 59.16 o 568
2008-04-22 14:38:34 C 23 08 57.044 +49 17 05.14 o 568
2008-04-22 14:41:58 C 23 08 57.531 +49 17 09.02 o 568
2008-04-22 14:45:16 C 23 08 58.002 +49 17 12.61 o 568
2008-04-25 14:45:49 C 23 19 33.024 +50 37 06.99 o 568
2008-04-25 14:56:37 C 23 19 34.643 +50 37 19.16 o 568
2008-05-20 14:39:41 C 01 16 07.054 +60 13 29.06 o 568
2008-05-20 14:41:22 C 01 16 07.462 +60 13 30.26 o 568
2008-05-20 14:42:45 C 01 16 07.795 +60 13 31.27 o 568
2008-10-21 15:21:13 C 10 01 23.214 -15 37 28.98 o 568
2008-10-21 15:22:39 C 10 01 23.295 -15 37 32.23 o 568
2008-10-21 15:23:58 C 10 01 23.376 -15 37 35.31 o 568
2008-10-21 15:25:25 C 10 01 23.457 -15 37 38.63 o 568
2008-10-21 15:26:44 C 10 01 23.535 -15 37 41.64 o 568
2008-10-22 15:22:09 C 10 02 49.012 -16 32 41.94 o 568
2008-10-22 15:23:17 C 10 02 49.081 -16 32 44.52 o 568
2008-10-22 15:24:36 C 10 02 49.158 -16 32 47.59 o 568
2008-10-22 15:25:52 C 10 02 49.232 -16 32 50.53 o 568
2008-10-22 15:27:09 C 10 02 49.307 -16 32 53.53 o 568
2013-08-03 21:10:09 C 19 01 05.40 +53 37 52.5 v 461
2013-08-03 21:25:20 C 19 01 03.56 +53 37 56.4 v 461
2013-08-03 21:33:31 C 19 01 02.71 +53 37 58.3 v 461
2013-08-31 19:20:41 C 17 55 50.75 +52 35 33.7 v 461
2013-08-31 19:32:01 C 17 55 49.92 +52 35 29.8 v 461
2013-08-31 19:55:12 C 17 55 48.29 +52 35 22.8 v 461
2013-09-02 23:46:22 C 17 52 12.92 +52 18 09.9 20.4 o C60
2013-09-02 23:46:53 C 17 52 13.09 +52 18 11.0 20.3 o C60
2013-09-02 23:50:28 C 17 52 12.94 +52 18 09.2 20.2 o C60
2013-09-02 23:54:04 C 17 52 12.73 +52 18 06.2 20.3 o C60
2013-09-28 18:25:43 C 17 28 41.66 +48 11 27.3 v 461
2013-09-28 18:31:14 C 17 28 41.60 +48 11 24.9 v 461
2013-09-28 18:36:44 C 17 28 41.52 +48 11 22.9 v 461
2013-09-28 18:42:17 C 17 28 41.46 +48 11 20.3 v 461
2013-09-28 18:47:47 C 17 28 41.39 +48 11 18.2 v 461
2014-03-23 02:48:19 C 03 48 17.81 +19 01 25.6 q G96
2014-03-23 02:55:36 C 03 48 18.76 +19 01 14.1 q G96
2014-03-23 03:00:03 C 03 48 19.26 +19 01 07.9 q 703
2014-03-23 03:02:54 C 03 48 19.71 +19 01 03.0 q G96
2014-03-23 03:10:13 C 03 48 20.67 +19 00 51.7 q G96
2014-03-23 03:12:35 C 03 48 21.00 +19 00 49.3 q 703
2014-03-23 03:25:08 C 03 48 22.63 +19 00 30.1 q 703
2014-03-23 03:37:42 C 03 48 24.33 +19 00 09.6 q 703
2019-09-19 11:49:47 C 09 14 34.72 +21 03 54.5 V 703