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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 ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1996279767921942 5.9286e-08  
a 2.739150195719234 1.8453e-08 au
q 2.192339184017861 1.5804e-07 au
i 10.00180897442344 6.4234e-06 deg
node 40.02755992412676 2.9654e-05 deg
peri 162.1505945811996 3.2116e-05 deg
M 197.4365312167307 1.315e-05 deg
tp 2458348.226295087450
(2018-Aug-17.72629509)
6.2488e-05 JED
period 1655.854591724765
4.53
1.6733e-05
4.581e-08
d
yr
n .2174103944870051 2.197e-09 deg/d
Q 3.285961207420607 2.2137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1024  
   data-arc span      22146 days (60.63 yr)  
   first obs. used      1955-04-16  
   last obs. used      2015-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51922  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:59:37  

Additional Information
 Earth MOID = 1.19048 au 
 Jupiter MOID = 1.67723 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 13.1 mag n/a MPO347575  

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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