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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1329061693829109 2.8224e-08  
a 2.431554702388033 8.8105e-09 au
q 2.108386081248636 6.8612e-08 au
i .3999248385839299 4.1721e-06 deg
node 254.3964981642636 0.00049324 deg
peri 229.274383500407 0.00049356 deg
M 167.1534575371711 1.8589e-05 deg
tp 2458557.460935773094
(2019-Mar-14.96093577)
7.0068e-05 TDB
period 1384.919382060685
3.79
7.5271e-06
2.061e-08
d
yr
n .2599429285655165 1.4128e-09 deg/d
Q 2.75472332352743 9.9814e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1076  
   data-arc span      10571 days (28.94 yr)  
   first obs. used      1991-10-01  
   last obs. used      2020-09-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53597  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:04:38  

Additional Information
 Earth MOID = 1.12393 au 
 Jupiter MOID = 2.30356 au 
 T_jup = 3.495 
[ 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 15.66   n/a E2021B10  

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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