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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5183676333155054 8.8292e-08  
a 2.165477736900631 6.088e-09 au
q 1.042964167426034 1.9149e-07 au
i 27.1122999698364 1.4663e-05 deg
node 102.5394175293125 1.5062e-05 deg
peri 228.3203290408311 2.5718e-05 deg
M 319.9632344200338 1.4952e-05 deg
tp 2457729.945064433143
(2016-Dec-07.44506443)
4.881e-05 JED
period 1163.93576056627
3.19
4.9084e-06
1.344e-08
d
yr
n .3092954200709971 1.3043e-09 deg/d
Q 3.287991306375228 9.2438e-09 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      7947 days (21.76 yr)  
   first obs. used      1994-07-03  
   last obs. used      2016-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58247  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:00:19  

Additional Information
 Earth MOID = .136671 au 
 Jupiter MOID = 2.35509 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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