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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1992249214461473 7.7482e-08  
a 2.738875421176957 2.2607e-08 AU
q 2.193223180542195 2.1302e-07 AU
i 10.00074071379934 8.7526e-06 deg
node 40.04697621428277 4.1675e-05 deg
peri 162.0517277985545 4.52e-05 deg
M 23.64404676766669 2.1561e-05 deg
tp 2456691.763298718090
(2014-Feb-03.26329872)
9.8737e-05 JED
period 1655.605440394358
4.53
2.0498e-05
5.612e-08
d
yr
n .2174431124811051 2.6922e-09 deg/d
Q 3.28452766181172 2.7111e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      857  
   data-arc span      21488 days (58.83 yr)  
   first obs. used      1955-04-16  
   last obs. used      2014-02-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55399  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:48:32  

Additional Information
 Earth MOID = 1.19222 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 12.9 mag n/a MPO250270  

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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