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JPL Small-Body Database Browser
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312366 (2008 DD84)
Classification: Main-belt Asteroid          SPK-ID: 2312366
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345516864920743 5.5991e-08  
a 2.729675431741057 3.3527e-08 au
q 2.362392998824317 1.5437e-07 au
i 12.78179740854283 8.5892e-06 deg
node 11.67321538386646 2.3727e-05 deg
peri 107.6288511340673 4.2724e-05 deg
M 212.9205617953898 3.4554e-05 deg
tp 2459273.498978183612
(2021-Feb-27.99897818)
0.00016426 TDB
period 1647.270584546644
4.51
3.0349e-05
8.309e-08
d
yr
n .2185433306326404 4.0264e-09 deg/d
Q 3.096957864657798 3.8039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      4757 days (13.02 yr)  
   first obs. used      2006-10-19  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58987  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:10:44  

Additional Information
 Earth MOID = 1.41418 au 
 Jupiter MOID = 2.03999 au 
 T_jup = 3.306 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO352914  

312366 (2008 DD84)          Discovered 2008-Feb-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2008 DD84 = 2007 EK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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