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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .362925140611828 7.4237e-08  
a 1.427391611426171 6.1876e-09 AU
q .9093553101411844 1.0506e-07 AU
i 11.14930953099079 1.0742e-05 deg
node 180.1690706688072 4.4078e-05 deg
peri 63.30901410510292 4.7915e-05 deg
M 291.9065158562098 1.1827e-05 deg
tp 2457118.319233399844
(2015-Apr-05.81923340)
2.0958e-05 JED
period 622.8925506936587
1.71
4.0503e-06
1.109e-08
d
yr
n .5779487964643353 3.7581e-09 deg/d
Q 1.945427912711158 8.4333e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      8740 days (23.93 yr)  
   first obs. used      1991-02-20  
   last obs. used      2015-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60044  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 15:38:51  

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
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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