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6303 (1989 EL2)
Classification: Main-belt Asteroid          SPK-ID: 2006303
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1026270067144436 5.0566e-08  
a 2.189244970938957 9.5145e-09 AU
q 1.964569312606843 1.1228e-07 AU
i 4.492099974534923 6.0839e-06 deg
node 24.21018814089337 5.6657e-05 deg
peri 224.099460215782 6.3171e-05 deg
M 275.0507781394689 2.8821e-05 deg
tp 2457279.688080143251
(2015-Sep-14.18808014)
9.5071e-05 JED
period 1183.150435640048
3.24
7.713e-06
2.112e-08
d
yr
n .3042723808872633 1.9836e-09 deg/d
Q 2.413920629271071 1.0491e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1364  
   data-arc span      9512 days (26.04 yr)  
   first obs. used      1989-03-12  
   last obs. used      2015-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50443  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:24:44  

Additional Information
 Earth MOID = .955564 AU 
 T_jup = 3.663 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO267733  

6303 (1989 EL2)          Discovered 1989-Mar-12 by Ueda & Kaneda at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 EL2 = 1990 RY1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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