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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .362925184295152 8.4614e-08  
a 1.42739161539596 7.2354e-09 AU
q .9093552503170267 1.1885e-07 AU
i 11.14930899423801 1.0775e-05 deg
node 180.169066151186 4.541e-05 deg
peri 63.30901445660512 4.9608e-05 deg
M 291.9065093499288 1.3236e-05 deg
tp 2457118.319245148892
(2015-Apr-05.81924515)
2.3548e-05 JED
period 622.8925532921943
1.71
4.7362e-06
1.297e-08
d
yr
n .5779487940532927 4.3944e-09 deg/d
Q 1.945427980474894 9.8614e-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 = .0395096 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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