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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3630906107206037 7.8139e-08  
a 1.427250489099053 5.3718e-09 AU
q .9090292373607977 1.0956e-07 AU
i 11.14912227020201 1.1611e-05 deg
node 180.1807658897506 4.3912e-05 deg
peri 63.30556336343105 4.8764e-05 deg
M 176.3090918517338 1.0312e-05 deg
tp 2456495.485184196716
(2013-Jul-21.98518420)
1.7204e-05 JED
period 622.8001774379413
1.71
3.5161e-06
9.627e-09
d
yr
n .5780345173968292 3.2634e-09 deg/d
Q 1.945471740837309 7.3223e-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      .63834  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 09:23:23  

Additional Information
 Earth MOID = .0388891 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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