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
2003-12-25 11:57:02 C 11 44 43.321 +16 01 34.47 e 645
2003-12-25 12:02:01 C 11 44 43.403 +16 01 34.42 22.4 e 645
2004-02-17 10:08:49 C 10 54 48.24 +20 16 03.8 c 691
2004-02-17 10:49:10 C 10 54 44.89 +20 16 12.3 c 691
2004-02-17 11:28:02 C 10 54 41.60 +20 16 20.0 c 691
2004-02-17 23:11:10 C 10 53 43.82 +20 18 47.6 c 246
2004-02-17 23:13:17 C 10 53 43.61 +20 18 47.1 c 246
2004-02-17 23:15:06 C 10 53 43.45 +20 18 48.7 c 246
2004-02-18 00:05:38 C 10 53 39.33 +20 18 59.9 o 493
2004-02-18 00:08:07 C 10 53 39.13 +20 19 00.3 o 493
2004-02-18 00:10:50 C 10 53 38.89 +20 19 00.9 o 493
2004-02-18 00:13:14 C 10 53 38.69 +20 19 01.5 o 493
2004-02-18 00:16:07 C 10 53 38.44 +20 19 02.1 o 493
2004-02-18 05:45:00 C 10 53 11.36 +20 20 10.6 d 291
2004-02-18 05:56:16 C 10 53 10.39 +20 20 12.9 d 291
2004-02-18 06:07:43 C 10 53 09.43 +20 20 15.4 d 291
2004-02-20 21:25:31 C 10 47 53.29 +20 32 22.3 c 246
2004-02-20 21:30:41 C 10 47 52.92 +20 32 23.6 c 246
2004-02-20 21:32:26 C 10 47 52.75 +20 32 24.4 c 246
2004-02-21 03:48:20 C 10 47 21.54 +20 33 31.0 r 649
2004-02-21 03:53:27 C 10 47 21.07 +20 33 31.9 r 649
2004-02-21 03:58:34 C 10 47 20.64 +20 33 33.5 r 649
2004-02-21 04:03:41 C 10 47 20.21 +20 33 34.1 r 649
2004-02-21 10:08:56 C 10 46 49.25 +20 34 38.6 d 291
2004-02-21 10:14:48 C 10 46 48.74 +20 34 39.7 d 291
2004-02-21 10:20:23 C 10 46 48.25 +20 34 40.4 d 291
2004-02-21 23:42:07 C 10 45 41.97 +20 36 54.6 o 493
2004-02-21 23:49:18 C 10 45 41.35 +20 36 57.8 o 493
2004-02-26 06:36:20 C 10 37 13.66 +20 51 20.2 r 649
2004-02-26 06:41:27 C 10 37 13.21 +20 51 20.1 r 649
2004-02-26 06:51:41 C 10 37 12.39 +20 51 22.2 r 649
2004-03-14 07:39:35 C 10 08 17.07 +20 55 03.1 r 671
2004-03-14 08:00:43 C 10 08 15.81 +20 55 01.6 r 671
2004-03-15 03:51:08 C 10 07 09.29 +20 53 11.7 o 715
2004-03-15 04:09:25 C 10 07 08.22 +20 53 10.2 o 715
2004-03-15 04:27:42 C 10 07 07.16 +20 53 08.6 o 715
2004-03-26 02:46:57 C 09 55 24.51 +20 14 59.3 d 291
2004-03-26 02:52:48 C 09 55 24.27 +20 14 58.9 d 291
2004-03-26 02:59:01 C 09 55 24.07 +20 14 57.8 d 291
2004-03-27 03:10:48 C 09 54 36.45 +20 10 20.1 d 291
2004-03-27 03:17:59 C 09 54 36.28 +20 10 17.7 d 291
2004-03-27 03:25:48 C 09 54 35.99 +20 10 17.4 d 291
2005-06-19 16:37:21 C 01 20 01.73 -07 40 16.3 r 474
2005-06-19 16:42:48 C 01 20 02.89 -07 40 05.2 r 474
2005-06-19 16:48:16 C 01 20 03.88 -07 39 55.5 r 474
2005-12-02 12:31:58 C 11 25 31.35 +17 25 46.0 d 291
2005-12-02 12:40:28 C 11 25 31.79 +17 25 43.9 d 291
2005-12-02 12:48:00 C 11 25 32.16 +17 25 42.4 d 291
2007-10-19 11:35:25 C 09 59 44.44 +23 59 48.5 r G96
2007-10-19 11:40:06 C 09 59 44.95 +23 59 46.7 r G96