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305775 (2009 DC46)
Classification: Main-belt Asteroid          SPK-ID: 2305775
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07745264690407684 3.5512e-08  
a 2.353171876143584 1.6951e-08 au
q 2.170912485716031 8.4012e-08 au
i 7.275126548081094 5.7038e-06 deg
node 119.1070567911763 3.2576e-05 deg
peri 295.7679266676805 5.0837e-05 deg
M 127.5613069112415 3.7768e-05 deg
tp 2458533.308040187117
(2019-Feb-18.80804019)
0.00013812 TDB
period 1318.496255684066
3.61
1.4247e-05
3.901e-08
d
yr
n .2730383180445391 2.9503e-09 deg/d
Q 2.535431266571137 1.8264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      7063 days (19.34 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54903  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:57:35  

Additional Information
 Earth MOID = 1.1945 au 
 Jupiter MOID = 2.69107 au 
 T_jup = 3.541 
[ 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 16.4   n/a MPO413264  

305775 (2009 DC46)          Discovered 2009-Feb-25 by Kocher, P. at Marly
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 DC46 = 2000 TC53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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