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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2109019134778807 5.2119e-08  
a 2.559103549446933 1.568e-08 AU
q 2.019383714080539 1.2813e-07 AU
i 7.510966446278841 5.2564e-06 deg
node 151.6578602858521 4.0803e-05 deg
peri 4.560182040500848 4.3445e-05 deg
M 185.1912348147468 1.8291e-05 deg
tp 2457726.590776411228
(2016-Dec-04.09077641)
7.924e-05 JED
period 1495.306480948091
4.09
1.3743e-05
3.763e-08
d
yr
n .2407533201967693 2.2126e-09 deg/d
Q 3.098823384813328 1.8986e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1197  
   data-arc span      11207 days (30.68 yr)  
   first obs. used      1984-02-23  
   last obs. used      2014-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47393  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:05:02  

Additional Information
 Earth MOID = 1.02999 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 13.3 mag n/a MPO302112  

7637 (1984 DN)          Discovered 1984-Feb-23 by Debehogne, H. at La Silla (809)
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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