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268961 (2007 DR109)
Classification: Main-belt Asteroid          SPK-ID: 2268961
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1450729450210999 5.6235e-08  
a 2.672893943614245 1.9456e-08 au
q 2.285129347485065 1.5393e-07 au
i 2.131952219976254 7.8967e-06 deg
node 192.8754415568632 0.0001246 deg
peri 44.56035866940322 0.00012699 deg
M 324.3769149294496 2.4024e-05 deg
tp 2459158.442876973743
(2020-Nov-04.94287697)
0.00010684 TDB
period 1596.140132106449
4.37
1.7428e-05
4.772e-08
d
yr
n .2255441065346204 2.4627e-09 deg/d
Q 3.060658539743426 2.2279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      8973 days (24.57 yr)  
   first obs. used      1995-10-02  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54447  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:38:10  

Additional Information
 Earth MOID = 1.27388 au 
 Jupiter MOID = 1.94081 au 
 T_jup = 3.364 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO470853  

268961 (2007 DR109)          Discovered 2007-Feb-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2007 DR109 = 1995 TP12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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