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JPL Small-Body Database Browser
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359227 (2009 DD138)
Classification: Main-belt Asteroid          SPK-ID: 2359227
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1003733701289953 6.6551e-08  
a 2.525446145000655 2.0479e-08 au
q 2.27195860434766 1.709e-07 au
i 12.28816357881286 7.0943e-06 deg
node 183.4551861882559 2.2108e-05 deg
peri 24.78333981540357 3.317e-05 deg
M 267.3380629153673 2.4826e-05 deg
tp 2459377.815345479663
(2021-Jun-12.31534548)
0.00010272 TDB
period 1465.904217484847
4.01
1.783e-05
4.882e-08
d
yr
n .2455822117884869 2.9871e-09 deg/d
Q 2.77893368565365 2.2534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      9717 days (26.60 yr)  
   first obs. used      1993-04-19  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60874  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:24:52  

Additional Information
 Earth MOID = 1.27439 au 
 Jupiter MOID = 2.18451 au 
 T_jup = 3.415 
[ 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 17.2   n/a MPO455592  

359227 (2009 DD138)          Discovered 2009-Feb-19 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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