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JPL Small-Body Database Browser
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305815 (2009 DT109)
Classification: Main-belt Asteroid          SPK-ID: 2305815
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782235631883591 7.2759e-08  
a 2.432815487646208 2.269e-08 au
q 1.999230442858075 1.6894e-07 au
i 2.959018589728894 6.7358e-06 deg
node 253.0937323293461 9.5835e-05 deg
peri 322.0180728797802 9.6889e-05 deg
M 203.6956138852213 1.3471e-05 deg
tp 2459202.270437840451
(2020-Dec-18.77043784)
5.4585e-05 TDB
period 1385.996663353256
3.79
1.939e-05
5.309e-08
d
yr
n .2597408850386568 3.6338e-09 deg/d
Q 2.86640053243434 2.6734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      9445 days (25.86 yr)  
   first obs. used      1992-11-25  
   last obs. used      2018-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60317  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:06:27  

Additional Information
 Earth MOID = .993579 au 
 Jupiter MOID = 2.11247 au 
 T_jup = 3.483 
[ 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 16.9   n/a MPO418595  

305815 (2009 DT109)          Discovered 2009-Feb-19 by CSS at Catalina
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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