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65690 (1991 DG)
Classification: Apollo [NEO, PHA]          SPK-ID: 2065690
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3630906498733634 8.4602e-08  
a 1.427250489512867 7.1914e-09 AU
q .9090291817435641 1.1885e-07 AU
i 11.14911889841858 1.0774e-05 deg
node 180.1807432712866 4.5417e-05 deg
peri 63.3055941950399 4.961e-05 deg
M 176.3090836990364 1.2627e-05 deg
tp 2456495.485198168234
(2013-Jul-21.98519817)
2.0351e-05 JED
period 622.8001777088012
1.71
4.7071e-06
1.289e-08
d
yr
n .5780345171454382 4.3687e-09 deg/d
Q 1.94547179728217 9.8025e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      7971 days (21.82 yr)  
   first obs. used      1991-02-20  
   last obs. used      2012-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60294  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 11:42:30  

Additional Information
 Earth MOID = .0388892 AU 
 T_jup = 4.603 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.2 mag n/a MPO247842  

65690 (1991 DG)          Discovered 1991-Feb-20 by McNaught, R. H. at Siding Spring (413)
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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