385497 (2004 DD)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4591302565 ± 1.87e-07
Semi-major axis (a)1.5888684425 AU ± 3.62e-09
Inclination (i)11.58163886° ± 1.03e-05
Long. of Asc. Node (Ω)3.67639182° ± 3.88e-05
Arg. of Perihelion (ω)8.60045375° ± 4.29e-05
Mean Anomaly (M)44.94283959° ± 2.32e-05
Mean Motion (n)0.4921305971°/day ± 1.68e-09
Perihelion dist (q)0.85937087 AU ± 2.97e-07
Aphelion dist (Q)2.31836602 AU ± 2.97e-07
Orbital Period2.00277384 yr ± 6.84e-09
Physical Parameters
H (abs. magnitude)18.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.253″
Uncertainty0
Orbit TypeApollo
MOID0.131756 AU
Observations Used215
Oppositions12
Arc Total2003-2026
First Observation Used2003-12-25
Last Observation Used2026-01-10
Observations (223)
Date Type RA Dec Mag Band Observatory
2007-10-19 11:44:50 C 09 59 45.45 +23 59 45.6 r G96
2007-10-19 11:49:32 C 09 59 45.96 +23 59 42.9 r G96
2008-02-04 08:42:28 C 11 14 36.32 +19 50 18.5 c 711
2008-02-04 08:55:14 C 11 14 35.38 +19 50 21.7 c 711
2008-02-04 09:08:02 C 11 14 34.40 +19 50 27.7 c 711
2010-02-21 08:43:45 C 10 38 20.145 +21 51 51.11 L F51
2010-02-21 08:56:20 C 10 38 19.055 +21 51 53.06 L F51
2012-03-22 04:55:20 C 09 50 02.72 +21 39 43.1 r G96
2012-03-22 05:06:18 C 09 50 02.29 +21 39 40.6 r G96
2012-03-22 05:17:07 C 09 50 01.86 +21 39 38.7 r G96
2012-03-22 05:28:02 C 09 50 01.39 +21 39 36.1 r G96
2013-11-10 11:58:20 C 10 47 31.13 +21 07 12.1 o 691
2013-11-10 12:16:40 C 10 47 32.56 +21 07 05.5 o 691
2013-11-10 12:35:01 C 10 47 33.97 +21 06 59.2 o 691
2014-01-25 14:59:50 C 11 22 55.303 +20 06 36.24 L F51
2014-01-25 15:16:18 C 11 22 54.292 +20 06 41.23 L F51
2016-02-04 05:47:57 C 11 06 07.57 +21 37 59.2 q G96
2016-02-04 05:57:11 C 11 06 06.88 +21 38 01.9 q G96
2016-02-04 06:06:21 C 11 06 06.18 +21 38 04.2 q G96
2016-02-04 06:15:30 C 11 06 05.42 +21 38 06.7 q G96
2016-02-05 09:27:39 C 11 03 58.986 +21 45 54.83 L F51
2016-02-05 09:46:23 C 11 03 57.480 +21 46 00.27 L F51
2016-02-05 10:05:07 C 11 03 55.967 +21 46 05.67 L F51
2016-02-06 13:34:20 C 11 01 44.898 +21 53 46.17 L F51
2016-02-06 13:52:36 C 11 01 43.388 +21 53 51.04 L F51
2016-02-06 14:10:58 C 11 01 41.873 +21 53 55.99 L F51
2016-02-11 04:57:03 C 10 52 34.24 +22 22 22.3 R G45
2016-02-11 05:05:12 C 10 52 33.54 +22 22 24.2 R G45
2016-02-11 05:11:56 C 10 52 32.99 +22 22 25.6 R G45
2016-02-11 05:26:18 C 10 52 31.71 +22 22 28.9 R G45
2016-03-13 05:50:26 C 09 55 12.36 +22 53 18.1 q G96
2016-03-13 05:57:47 C 09 55 11.94 +22 53 16.9 q G96
2016-03-13 06:05:08 C 09 55 11.49 +22 53 15.4 q G96
2016-03-13 06:12:30 C 09 55 11.06 +22 53 15.1 q G96
2017-12-14 11:31:31 C 11 32 11.19 +18 32 55.5 U G96
2017-12-14 11:46:26 C 11 32 11.68 +18 32 55.9 U G96
2017-12-14 11:53:51 C 11 32 11.90 +18 32 55.0 U G96
2018-01-14 11:46:21 C 11 32 10.903 +19 42 48.53 U F51
2018-01-14 12:05:55 C 11 32 10.186 +19 42 53.52 U F51
2018-01-14 12:25:21 C 11 32 09.462 +19 42 58.55 U F51
2018-01-14 12:44:48 C 11 32 08.737 +19 43 03.50 U F51
2018-01-23 08:54:32 C 11 22 29.83 +20 42 16.7 U G96
2018-01-23 09:01:59 C 11 22 29.37 +20 42 18.6 U G96
2018-01-23 09:09:25 C 11 22 28.91 +20 42 21.5 U G96
2018-01-23 09:16:52 C 11 22 28.57 +20 42 23.1 U G96
2018-02-11 10:32:15 C 10 48 48.02 +22 52 07.2 U G96
2018-02-11 10:39:38 C 10 48 47.39 +22 52 09.6 U G96
2018-02-11 10:47:00 C 10 48 46.71 +22 52 10.8 U G96
2018-03-06 07:43:56 C 10 03 48.781 +23 32 32.30 U F51
2018-03-06 08:00:55 C 10 03 47.596 +23 32 31.10 U F51