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13660 (1997 GE8)
Classification: Main-belt Asteroid          SPK-ID: 2013660
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1333504967559265 2.9084e-08  
a 2.430044067653449 9.1365e-09 au
q 2.105996484093069 7.1194e-08 au
i .4005616327237054 4.2508e-06 deg
node 254.4416608004822 0.00053249 deg
peri 228.9764045820627 0.00053282 deg
M 115.4256116648917 1.889e-05 deg
tp 2458556.871606131080
(2019-Mar-14.37160613)		 7.1691e-05 TDB
period 1383.628983976942
3.79		 7.8032e-06
2.136e-08		 d
yr
n .2601853561677047 1.4674e-09 deg/d
Q 2.754091651213829 1.0355e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1045  
   data-arc span      10487 days (28.71 yr)  
   first obs. used      1991-10-01  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53915  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:38:15  

Additional Information
 Earth MOID = 1.12165 au 
 Jupiter MOID = 2.30563 au 
 T_jup = 3.496 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO425943  

13660 (1997 GE8)          Discovered 1997-Apr-02 by LINEAR at Socorro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 GE8 = 1991 TP8 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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