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187800 (1999 GZ13)
Classification: Main-belt Asteroid          SPK-ID: 2187800
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1494291489590791 6.3051e-08  
a 2.680741461818233 1.8601e-08 au
q 2.280160546599417 1.7244e-07 au
i 2.158954208389531 6.8743e-06 deg
node 176.6217887178881 0.00015401 deg
peri 79.96735873535043 0.00015579 deg
M 286.8005977859584 2.6976e-05 deg
tp 2459526.476173646900
(2021-Nov-07.97617365)		 0.00012118 TDB
period 1603.174602023907
4.39		 1.6686e-05
4.568e-08		 d
yr
n .224554455606721 2.3372e-09 deg/d
Q 3.081322377037049 2.138e-08 au
   Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      10342 days (28.31 yr)  
   first obs. used      1992-11-20  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64905  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:53  

Additional Information
 Earth MOID = 1.26481 au 
 Jupiter MOID = 1.96868 au 
 T_jup = 3.359 
[ 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 16.5   n/a MPO418012  

187800 (1999 GZ13)          Discovered 1999-Apr-14 by Spacewatch at Kitt Peak
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

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Alternate Designations
 1999 GZ13 = 2008 GX20 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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