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118370 (1999 GT13)
Classification: Main-belt Asteroid          SPK-ID: 2118370
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0406176383719172 6.0085e-08  
a 2.562685166714517 1.4888e-08 au
q 2.45859494735183 1.5375e-07 au
i 3.410557282811395 6.1703e-06 deg
node 2.951277474774639 7.8258e-05 deg
peri 114.2253380122563 0.0001183 deg
M 120.3580978099173 8.5952e-05 deg
tp 2458499.527226093271
(2019-Jan-16.02722609)
0.00035698 TDB
period 1498.446734271684
4.10
1.3058e-05
3.575e-08
d
yr
n .2402487801309648 2.0936e-09 deg/d
Q 2.666775386077203 1.5493e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      8182 days (22.40 yr)  
   first obs. used      1997-12-03  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58758  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:20:02  

Additional Information
 Earth MOID = 1.477 au 
 Jupiter MOID = 2.34938 au 
 T_jup = 3.430 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO422410  

118370 (1999 GT13)          Discovered 1999-Apr-14 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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