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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04015336400332276 4.1981e-08  
a 2.564171975639031 1.4448e-08 au
q 2.461211844934077 1.0387e-07 au
i 3.410413017779865 4.847e-06 deg
node 2.922278793397975 7.1218e-05 deg
peri 114.8399688545326 9.646e-05 deg
M 167.7905968755184 6.5754e-05 deg
tp 2458501.488583058746
(2019-Jan-17.98858306)
0.00027138 TDB
period 1499.750968080428
4.11
1.2676e-05
3.47e-08
d
yr
n .2400398517233657 2.0288e-09 deg/d
Q 2.667132106343984 1.5029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      544  
   data-arc span      8239 days (22.56 yr)  
   first obs. used      1997-12-03  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58064  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:57  

Additional Information
 Earth MOID = 1.47944 au 
 Jupiter MOID = 2.34676 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 16.28   n/a E2021B55  

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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