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7637 (1984 DN)
Classification: Main-belt Asteroid          SPK-ID: 2007637
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2110735072787606 4.1369e-08  
a 2.558373793135685 1.2888e-08 au
q 2.018368863688469 1.0447e-07 au
i 7.51127965670262 4.6216e-06 deg
node 151.6592163642018 3.9274e-05 deg
peri 4.633366176724388 4.2045e-05 deg
M 281.4273209780849 1.7791e-05 deg
tp 2457726.722178652328
(2016-Dec-04.22217865)
7.4947e-05 JED
period 1494.666922100015
4.09
1.1294e-05
3.092e-08
d
yr
n .2408563370722075 1.82e-09 deg/d
Q 3.0983787225829 1.5608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1435  
   data-arc span      11615 days (31.80 yr)  
   first obs. used      1984-02-23  
   last obs. used      2015-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4616  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:04:23  

Additional Information
 Earth MOID = 1.0284 au 
 Jupiter MOID = 1.89741 au 
 T_jup = 3.393 
[ 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 13.4 mag n/a MPO358705  

7637 (1984 DN)          Discovered 1984-Feb-23 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1984 DN = 1988 AC5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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