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6325 (1991 EA1)
Classification: Main-belt Asteroid          SPK-ID: 2006325
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1993322343716308 6.2053e-08  
a 2.739284418796808 1.9661e-08 AU
q 2.193256735018646 1.6759e-07 AU
i 10.000063203212 7.4929e-06 deg
node 40.04272864838997 3.1766e-05 deg
peri 162.0778902669315 3.5121e-05 deg
M 67.10048331016861 1.4503e-05 deg
tp 2456691.842193698629
(2014-Feb-03.34219370)
6.6796e-05 JED
period 1655.976302806371
4.53
1.7828e-05
4.881e-08
d
yr
n .2173944152400675 2.3404e-09 deg/d
Q 3.285312102574971 2.3579e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      906  
   data-arc span      21959 days (60.12 yr)  
   first obs. used      1955-04-16  
   last obs. used      2015-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51414  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:53:53  

Additional Information
 Earth MOID = 1.19326 AU 
 T_jup = 3.300 
[ 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 13.0 mag n/a MPO299007  

6325 (1991 EA1)          Discovered 1991-Mar-14 by Arai & Mori at Yorii
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 EA1 = 1989 WR4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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