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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5182726902291259 8.8337e-08  
a 2.165925928653908 6.0455e-09 au
q 1.043385670773429 1.9163e-07 au
i 27.11172460681462 1.6126e-05 deg
node 102.5584442143596 1.5065e-05 deg
peri 228.2798612658006 2.6888e-05 deg
M 258.1341964190178 1.506e-05 deg
tp 2457729.950174662662
(2016-Dec-07.45017466)
4.9848e-05 JED
period 1164.297131218045
3.19
4.8746e-06
1.335e-08
d
yr
n .309199421992375 1.2945e-09 deg/d
Q 3.288466186534386 9.1787e-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 = .135656 au 
 Jupiter MOID = 2.35322 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
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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