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6305 Helgoland (1989 GE8)
Classification: Main-belt Asteroid          SPK-ID: 2006305
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009040061460046 6.5652e-08  
a 2.219182321035413 1.0417e-08 AU
q 1.995257934474551 1.4702e-07 AU
i 4.660112066199954 7.1105e-06 deg
node 130.2158937743052 6.8569e-05 deg
peri 356.0932214874981 7.595e-05 deg
M 330.2833760739144 3.1397e-05 deg
tp 2457100.174684624904
(2015-Mar-18.67468463)
0.00010548 JED
period 1207.502122522978
3.31
8.5022e-06
2.328e-08
d
yr
n .2981361219041249 2.0992e-09 deg/d
Q 2.443106707596276 1.1468e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1029  
   data-arc span      14268 days (39.06 yr)  
   first obs. used      1976-05-02  
   last obs. used      2015-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50137  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:54:29  

Additional Information
 Earth MOID = 1.01069 AU 
 T_jup = 3.640 
[ 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 14.6 mag n/a MPO267733  

6305 Helgoland (1989 GE8)          Discovered 1989-Apr-06 by Borngen, F. at Tautenburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 GE8 = 1976 JE2 = 1992 AB3 = 1993 OM11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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