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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5174474066940636 8.7552e-08  
a 2.166104253344079 5.8277e-09 AU
q 1.045259224822204 1.8895e-07 AU
i 27.17473598926302 1.7098e-05 deg
node 102.6964824072455 1.2863e-05 deg
peri 228.0317388087768 2.6621e-05 deg
M 72.99231586039663 1.2939e-05 deg
tp 2456564.402112221885
(2013-Sep-28.90211222)
4.0979e-05 JED
period 1164.440922283946
3.19
4.6992e-06
1.287e-08
d
yr
n .309161240480876 1.2477e-09 deg/d
Q 3.286949281865954 8.8433e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      159  
   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      .68426  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 09:20:23  

Additional Information
 Earth MOID = .137327 AU 
 T_jup = 3.385 
[ 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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