2015 DD155

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0523915821 ± 8.28e-07
Semi-major axis (a)1.2906381846 AU ± 6.50e-08
Inclination (i)5.67033833° ± 7.82e-06
Long. of Asc. Node (Ω)14.47137447° ± 3.53e-05
Arg. of Perihelion (ω)25.82545150° ± 1.68e-04
Mean Anomaly (M)228.00067908° ± 2.67e-04
Mean Motion (n)0.6722108395°/day ± 5.08e-08
Perihelion dist (q)1.22301961 AU ± 1.07e-06
Aphelion dist (Q)1.35825676 AU ± 1.07e-06
Orbital Period1.46624575 yr ± 1.11e-07
Physical Parameters
H (abs. magnitude)22.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.225″
Uncertainty0
Orbit TypeAmor
MOID0.227741 AU
Observations Used55
Oppositions3
Arc Total2015-2024
First Observation Used2015-02-18
Last Observation Used2024-06-13
Observations (59)
Date Type RA Dec Mag Band Observatory
2018-04-13 11:45:17 C 13 08 45.16 -10 31 54.5 U 474
2018-04-13 11:48:20 C 13 08 44.87 -10 31 54.6 U 474
2018-04-16 07:35:19 C 13 02 57.67 -10 38 08.2 U G96
2018-04-16 07:50:07 C 13 02 56.32 -10 38 09.9 U G96
2018-04-16 07:57:30 C 13 02 55.68 -10 38 09.9 U G96
2024-06-13 12:40:16 C 19 57 56.663 -41 19 50.29 X F51
2024-06-13 12:51:30 C 19 57 56.382 -41 19 57.15 X F51
2024-06-13 13:02:39 C 19 57 56.129 -41 20 04.48 X F51
2024-06-13 13:13:50 C 19 57 55.830 -41 20 11.72 X F51