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
2018-03-14 05:32:59 C 09 52 19.84 +23 08 57.9 U G96
2018-03-14 05:47:49 C 09 52 19.09 +23 08 55.8 U G96
2018-03-14 05:55:14 C 09 52 18.62 +23 08 55.2 U G96
2019-09-29 14:32:12 C 08 52 39.563 +28 00 13.77 U F51
2019-09-29 14:39:35 C 08 52 40.613 +28 00 11.76 U F51
2019-09-29 14:46:58 C 08 52 41.693 +28 00 09.66 U F51
2020-01-05 11:23:06 C 11 36 00.44 +19 21 23.9 V G96
2020-01-05 11:30:36 C 11 36 00.34 +19 21 24.6 V G96
2020-01-05 11:38:06 C 11 36 00.25 +19 21 25.5 V G96
2020-01-05 11:45:36 C 11 36 00.10 +19 21 27.4 V G96
2020-01-21 11:47:52 C 11 23 30.551 +20 54 25.50 U F51
2020-01-21 12:07:16 C 11 23 29.494 +20 54 31.36 U F51
2020-01-21 12:26:38 C 11 23 28.444 +20 54 37.22 U F51
2020-01-21 12:46:06 C 11 23 27.378 +20 54 43.11 U F51
2020-01-24 09:03:16 C 11 19 40.81 +21 15 18.6 V G96
2020-01-24 09:10:47 C 11 19 40.35 +21 15 21.1 V G96
2020-01-24 09:18:16 C 11 19 39.90 +21 15 23.1 V G96
2020-01-24 09:25:46 C 11 19 39.44 +21 15 25.9 V G96
2020-02-02 10:04:07 C 11 04 54.49 +22 21 35.2 V G96
2020-02-02 10:13:02 C 11 04 53.79 +22 21 38.0 V G96
2020-02-02 10:22:05 C 11 04 53.05 +22 21 40.5 V G96
2020-02-02 10:29:25 C 11 04 52.48 +22 21 42.6 V G96
2020-02-20 10:11:07 C 10 28 10.72 +23 53 42.5 V V00
2020-02-20 10:20:16 C 10 28 09.90 +23 53 43.3 V V00
2020-02-20 10:29:25 C 10 28 09.09 +23 53 44.3 V V00
2020-02-20 10:38:34 C 10 28 08.28 +23 53 45.1 V V00
2020-02-25 20:01:40 C 10 17 12.32 +24 02 07.1 V C95
2020-02-25 20:41:59 C 10 17 08.94 +24 02 07.2 V C95
2020-03-22 05:24:05 C 09 41 04.30 +22 45 05.3 V G96
2020-03-22 05:32:12 C 09 41 04.01 +22 45 03.8 V G96
2020-03-22 05:40:18 C 09 41 03.72 +22 45 01.7 V G96
2020-03-22 05:48:27 C 09 41 03.43 +22 44 59.8 V G96
2020-03-23 09:26:41 C 09 40 10.040 +22 38 14.92 U F51
2020-03-23 09:47:41 C 09 40 09.332 +22 38 09.51 U F51
2020-03-23 10:29:48 C 09 40 07.960 +22 37 58.81 U F51
2021-09-05 14:47:03 C 07 19 39.388 +28 45 03.70 U F51
2021-09-05 14:53:13 C 07 19 40.478 +28 45 05.01 U F51
2021-09-05 14:59:23 C 07 19 41.597 +28 45 06.17 U F51
2021-09-05 15:05:38 C 07 19 42.709 +28 45 07.51 U F51
2021-11-16 12:05:08 C 10 55 25.36 +21 19 22.1 V G96
2021-11-16 12:11:55 C 10 55 25.82 +21 19 20.1 V G96
2021-11-16 12:19:53 C 10 55 26.39 +21 19 17.5 V G96
2021-11-16 12:26:39 C 10 55 26.82 +21 19 15.6 V G96
2022-01-06 11:39:38 C 11 34 20.13 +19 49 05.3 V G96
2022-01-06 11:47:05 C 11 34 19.96 +19 49 06.9 V G96
2022-01-06 11:54:31 C 11 34 19.86 +19 49 08.3 V G96
2022-01-06 12:01:59 C 11 34 19.64 +19 49 09.9 V G96
2022-01-15 10:06:22 C 11 28 10.03 +20 39 30.6 V G96
2022-01-15 10:14:30 C 11 28 09.65 +20 39 33.5 V G96
2022-01-15 10:22:38 C 11 28 09.32 +20 39 35.2 V G96