2017 DD

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3133247000
Semi-major axis (a)1.4392887000 AU
Inclination (i)9.13163000°
Long. of Asc. Node (Ω)341.23636000°
Arg. of Perihelion (ω)193.91394000°
Mean Anomaly (M)12.88112000°
Mean Motion (n)0.5707977100°/day
Perihelion dist (q)0.98832400 AU
Aphelion dist (Q)1.89025340 AU
Orbital Period1.72671980 yr
Physical Parameters
H (abs. magnitude)23.20
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.350″
Uncertainty5
Orbit TypeApollo
MOID0.003858 AU
Observations Used70
Oppositions1
Arc Total
First Observation Used
Last Observation Used2017-04-22
Observations (70)
Date Type RA Dec Mag Band Observatory
2017-02-21 13:12:20 C 15 01 59.56 +13 33 51.9 q I52
2017-02-21 13:12:46 C 15 01 59.70 +13 33 45.4 q I52
2017-02-21 13:13:38 C 15 02 00.09 +13 33 33.6 q I52
2017-02-22 02:44:10 C 15 08 27.82 +10 16 29.0 U 204
2017-02-22 02:51:35 C 15 08 30.97 +10 14 40.3 U 204
2017-02-22 02:59:01 C 15 08 34.13 +10 12 51.8 U 204
2017-02-24 12:29:26 C 15 35 01.97 -04 08 55.5 q I52
2017-02-24 12:29:51 C 15 35 02.13 -04 09 02.2 q I52
2017-02-24 12:30:17 C 15 35 02.32 -04 09 08.6 q I52
2017-02-24 12:30:43 C 15 35 02.46 -04 09 15.0 q I52
2017-03-01 15:27:24 C 16 27 49.50 -29 54 32.8 t 474
2017-03-01 15:28:42 C 16 27 49.95 -29 54 45.7 t 474
2017-03-01 15:30:00 C 16 27 50.46 -29 54 59.0 t 474
2017-03-23 08:59:40 C 18 53 22.95 -59 50 48.2 u 807
2017-03-23 09:06:19 C 18 53 23.98 -59 50 54.9 u 807
2017-03-23 09:13:11 C 18 53 24.94 -59 51 03.0 u 807
2017-03-23 09:19:37 C 18 53 25.86 -59 51 09.4 u 807
2017-04-22 07:58:32 C 20 06 20.86 -64 35 11.6 u 807
2017-04-22 08:23:10 C 20 06 21.11 -64 35 19.4 u 807
2017-04-22 08:48:02 C 20 06 21.25 -64 35 26.5 u 807