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
2022-01-15 10:30:46 C 11 28 08.98 +20 39 38.4 V G96
2022-01-30 10:52:19 C 11 07 30.126 +22 27 55.22 U F52
2022-01-30 11:09:44 C 11 07 28.803 +22 28 00.64 U F52
2022-01-30 11:27:06 C 11 07 27.476 +22 28 05.85 U F52
2022-01-31 14:11:15 C 11 05 27.438 +22 36 10.49 U F52
2022-01-31 14:29:40 C 11 05 25.998 +22 36 15.83 U F52
2022-01-31 14:48:08 C 11 05 24.558 +22 36 21.32 U F52
2022-01-31 15:06:30 C 11 05 23.118 +22 36 26.61 U F52
2022-02-04 08:46:42 C 10 58 20.68 +23 02 23.5 V G96
2022-02-04 08:54:06 C 10 58 20.05 +23 02 25.2 V G96
2022-02-04 09:01:30 C 10 58 19.42 +23 02 27.5 V G96
2022-02-04 09:08:55 C 10 58 18.81 +23 02 29.4 V G96
2022-02-23 08:20:40 C 10 18 55.045 +24 20 47.12 U F52
2022-02-23 08:38:12 C 10 18 53.528 +24 20 47.90 U F52
2022-02-23 08:55:47 C 10 18 52.001 +24 20 48.79 U F52
2022-02-23 09:13:22 C 10 18 50.496 +24 20 49.56 U F52
2022-02-26 07:08:32 C 10 13 05.00 +24 22 20.2 V G96
2022-02-26 07:17:29 C 10 13 04.23 +24 22 20.5 V G96
2022-02-26 07:34:52 C 10 13 02.80 +24 22 20.6 V G96
2022-03-02 07:11:51 C 10 05 38.583 +24 19 46.76 U F52
2022-03-02 07:29:11 C 10 05 37.268 +24 19 46.06 U F52
2022-03-02 07:46:42 C 10 05 35.919 +24 19 45.22 U F52
2022-03-02 08:04:16 C 10 05 34.582 +24 19 44.44 U F52
2022-03-02 08:11:06 C 10 05 34.056 +24 19 44.02 U F52
2022-03-02 08:30:25 C 10 05 32.574 +24 19 43.12 U F52
2022-03-02 08:49:35 C 10 05 31.098 +24 19 42.12 U F52
2022-03-06 07:03:31 C 09 58 51.677 +24 12 06.67 U F52
2022-03-06 07:19:57 C 09 58 50.533 +24 12 05.21 U F52
2022-03-06 07:36:26 C 09 58 49.394 +24 12 03.59 U F52
2022-03-06 07:52:50 C 09 58 48.248 +24 12 01.91 U F52
2023-12-17 13:40:33 C 11 31 19.071 +19 27 49.30 X F51
2023-12-17 13:59:46 C 11 31 19.518 +19 27 48.89 X F51
2023-12-17 14:18:06 C 11 31 19.925 +19 27 48.50 X F51
2023-12-17 14:36:30 C 11 31 20.332 +19 27 48.19 X F51
2024-01-10 11:39:17 C 11 31 13.649 +20 30 19.58 V G96
2024-01-10 11:46:49 C 11 31 13.415 +20 30 21.46 V G96
2024-01-10 11:54:22 C 11 31 13.188 +20 30 23.29 V G96
2024-01-10 12:01:52 C 11 31 12.994 +20 30 25.38 V G96
2024-01-19 12:08:03 C 11 22 50.088 +21 28 52.64 V G96
2024-01-19 12:15:25 C 11 22 49.685 +21 28 54.41 V G96
2024-01-19 12:24:06 C 11 22 49.249 +21 28 56.93 V G96
2024-01-19 12:31:27 C 11 22 48.860 +21 28 59.30 V G96
2024-01-21 11:06:12 C 11 20 23.569 +21 43 05.13 X F51
2024-01-21 11:24:49 C 11 20 22.508 +21 43 10.96 X F51
2024-01-21 11:43:18 C 11 20 21.450 +21 43 16.81 X F51
2024-01-21 12:01:49 C 11 20 20.393 +21 43 22.60 X F51
2024-03-02 07:07:06 C 10 02 25.451 +24 38 30.85 X F52
2024-03-02 07:23:55 C 10 02 24.188 +24 38 29.89 X F52
2024-03-02 07:40:47 C 10 02 22.902 +24 38 28.62 X F52
2024-03-02 07:57:38 C 10 02 21.637 +24 38 27.70 X F52