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(2010 DD2)
Classification: Mars-crossing Asteroid          SPK-ID: 3509947
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5179788432077234 2.5975e-07  
a 3.076140651714807 3.1907e-08 au
q 1.482764875395319 7.925e-07 au
i 19.77793276180147 1.3994e-05 deg
node 344.3610423020211 2.9653e-05 deg
peri 142.3602854410759 8.2469e-05 deg
M 3.702630177246304 2.5062e-05 deg
tp 2459180.231782969372
(2020-Nov-26.73178297)
0.00013709 TDB
period 1970.641890153002
5.40
3.0661e-05
8.395e-08
d
yr
n .1826815931392027 2.8423e-09 deg/d
Q 4.669516428034295 4.8435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      4161 days (11.39 yr)  
   first obs. used      2009-11-25  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50061  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 14:30:49  

Additional Information
 Earth MOID = .536903 au 
 Jupiter MOID = .750327 au 
 T_jup = 2.929 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.35   n/a E2021H33  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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