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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1779748157016274 6.8475e-08  
a 2.432663213776023 2.1484e-08 au
q 1.999710426640107 1.5996e-07 au
i 2.958551573547192 6.6617e-06 deg
node 253.0855879957255 9.4642e-05 deg
peri 322.1534844605061 9.5704e-05 deg
M 50.3329614492641 1.4352e-05 deg
tp 2459202.736758286672
(2020-Dec-19.23675829)
5.4239e-05 TDB
period 1385.866537718254
3.79
1.8359e-05
5.026e-08
d
yr
n .2597652733521646 3.4412e-09 deg/d
Q 2.865616000911939 2.5308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      9911 days (27.13 yr)  
   first obs. used      1992-11-25  
   last obs. used      2020-01-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58749  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:56:35  

Additional Information
 Earth MOID = .994446 au 
 Jupiter MOID = 2.11032 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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