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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1995199950471598 5.9287e-08  
a 2.739377484150056 1.8409e-08 au
q 2.192816902080136 1.5807e-07 au
i 10.00090844614546 6.4227e-06 deg
node 40.02962566274417 2.9658e-05 deg
peri 162.1222054338873 3.2122e-05 deg
M 153.9967099136586 1.3075e-05 deg
tp 2456692.089171171449
(2014-Feb-03.58917117)
5.9306e-05 JED
period 1656.060694551624
4.53
1.6693e-05
4.57e-08
d
yr
n .2173833369660823 2.1912e-09 deg/d
Q 3.285938066219976 2.2082e-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 = 1.19108 au 
 Jupiter MOID = 1.67679 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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