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7458 (1984 DE1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2007458
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736757970346109 7.4649e-08  
a 3.730334961873861 5.9233e-08 AU
q 3.082466064164343 3.0419e-07 AU
i 1.767817593504807 7.0623e-06 deg
node 323.6146813028342 0.00020377 deg
peri 239.2073483206652 0.00020443 deg
M 19.43080547251018 2.0517e-05 deg
tp 2456858.460715490112
(2014-Jul-19.96071549)
0.00014737 JED
period 2631.601787990832
7.20
6.268e-05
1.716e-07
d
yr
n .13679881266339 3.2583e-09 deg/d
Q 4.378203859583378 6.952e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1316  
   data-arc span      13597 days (37.23 yr)  
   first obs. used      1977-03-25  
   last obs. used      2014-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47868  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:21:27  

Additional Information
 Earth MOID = 2.0812 AU 
 T_jup = 3.062 
[ 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 11.8 mag n/a MPO319178  

7458 (1984 DE1)          Discovered 1984-Feb-28 by Debehogne, H. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1984 DE1 = 1977 FL3 = 1977 GQ 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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