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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1346372848890987 5.5707e-08  
a 2.730244019197265 3.2898e-08 au
q 2.362651377367845 1.5396e-07 au
i 12.78051965133219 8.5793e-06 deg
node 11.67247782025844 2.2927e-05 deg
peri 107.516592466502 4.211e-05 deg
M 300.458677328706 3.5227e-05 deg
tp 2459273.031433583899
(2021-Feb-27.53143358)
0.00016386 TDB
period 1647.785297478875
4.51
2.9782e-05
8.154e-08
d
yr
n .2184750650165425 3.9488e-09 deg/d
Q 3.097836661026685 3.7327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      4845 days (13.26 yr)  
   first obs. used      2006-10-19  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58158  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:45:41  

Additional Information
 Earth MOID = 1.41415 au 
 Jupiter MOID = 2.03824 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 16.2   n/a MPO494655  

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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