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
2024-03-10 09:27:39 C 09 49 44.641 +24 14 41.46 V V00
2024-03-10 09:35:44 C 09 49 44.152 +24 14 39.59 V V00
2024-03-10 09:52:12 C 09 49 43.201 +24 14 36.78 V V00
2024-03-10 10:00:17 C 09 49 42.744 +24 14 35.59 V V00
2024-03-11 09:07:28 C 09 48 25.391 +24 10 36.98 V V00
2024-03-11 09:15:34 C 09 48 24.908 +24 10 35.44 V V00
2024-03-11 09:23:37 C 09 48 24.476 +24 10 34.07 V V00
2024-03-11 09:31:43 C 09 48 24.008 +24 10 32.66 V V00
2025-08-31 11:32:42 C 06 53 40.348 +27 54 17.50 V G96
2025-08-31 11:42:20 C 06 53 42.094 +27 54 22.18 V G96
2025-08-31 11:50:08 C 06 53 43.609 +27 54 25.70 V G96
2025-08-31 11:55:45 C 06 53 44.675 +27 54 27.90 V G96
2025-12-06 13:33:25 C 11 21 56.952 +20 05 36.30 X F51
2025-12-06 13:40:57 C 11 21 57.258 +20 05 35.63 X F51
2025-12-06 13:48:30 C 11 21 57.583 +20 05 34.42 X F51
2025-12-16 20:27:07 C 11 30 18.237 +19 47 07.69 W O18
2025-12-16 20:32:38 C 11 30 18.367 +19 47 07.33 W O18
2025-12-27 19:21:27 C 11 33 54.602 +19 58 25.57 W O18
2025-12-27 19:26:55 C 11 33 54.605 +19 58 26.32 W O18
2025-12-29 19:47:47 C 11 33 54.681 +20 04 05.20 W O18
2025-12-29 19:53:14 C 11 33 54.636 +20 04 05.76 W O18
2026-01-10 19:13:13 C 11 29 15.641 +20 58 59.97 W O18
2026-01-10 19:41:43 C 11 29 14.710 +20 59 07.13 W O18