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7839 (1994 ND)
Classification: Amor [NEO]          SPK-ID: 2007839
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5176076925036468 8.7894e-08  
a 2.166974590582987 6.1817e-09 AU
q 1.045331873037292 1.9051e-07 AU
i 27.15532755119678 1.6123e-05 deg
node 102.6807817396893 1.5038e-05 deg
peri 228.0979322664813 2.6973e-05 deg
M 134.6804723399845 1.4754e-05 deg
tp 2456564.605604304114
(2013-Sep-29.10560430)
4.6093e-05 JED
period 1165.142798537182
3.19
4.9857e-06
1.365e-08
d
yr
n .3089750032802626 1.3221e-09 deg/d
Q 3.288617308128681 9.3814e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      6918 days (18.94 yr)  
   first obs. used      1994-07-03  
   last obs. used      2013-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56711  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:05:48  

Additional Information
 Earth MOID = .139302 AU 
 T_jup = 3.384 
[ 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 17.8 mag n/a MPO263418  

7839 (1994 ND)          Discovered 1994-Jul-03 by McNaught, R. H. at Siding Spring (413)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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