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305788 (2009 DF70)
Classification: Main-belt Asteroid          SPK-ID: 2305788
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416392951709327 6.2176e-08  
a 2.42182341178285 2.3113e-08 au
q 2.078798050709464 1.5485e-07 au
i 1.590176258713719 1.015e-05 deg
node 192.7215238810342 0.00029753 deg
peri 292.9447638273863 0.00030234 deg
M 72.47538781895103 4.9242e-05 deg
tp 2458923.359380211016
(2020-Mar-14.85938021)		 0.00018712 TDB
period 1376.613856462125
3.77		 1.9707e-05
5.395e-08		 d
yr
n .2615112424664924 3.7436e-09 deg/d
Q 2.764848772856236 2.6386e-08 au
   Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      5441 days (14.90 yr)  
   first obs. used      2005-01-13  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67602  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:49:21  

Additional Information
 Earth MOID = 1.09467 au 
 Jupiter MOID = 2.29263 au 
 T_jup = 3.499 
[ 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 17.8   n/a MPO507377  

305788 (2009 DF70)          Discovered 2009-Feb-26 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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