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305531 (2008 GS2)
Classification: Main-belt Asteroid          SPK-ID: 2305531
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1471516561264673 4.7866e-08  
a 3.047327829514718 2.6949e-08 au
q 2.598908492641355 1.4283e-07 au
i 2.33695066851357 6.0811e-06 deg
node 39.32956191896499 0.00011896 deg
peri 133.0636686723915 0.00012082 deg
M 118.8743627129668 2.0386e-05 deg
tp 2458358.902157953905
(2018-Aug-28.40215795)
0.0001085 TDB
period 1943.019654240379
5.32
2.5774e-05
7.057e-08
d
yr
n .1852786199122322 2.4577e-09 deg/d
Q 3.495747166388082 3.0914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      6405 days (17.54 yr)  
   first obs. used      2002-01-14  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53621  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:55:45  

Additional Information
 Earth MOID = 1.605 au 
 Jupiter MOID = 1.46947 au 
 T_jup = 3.220 
[ 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 MPO437357  

305531 (2008 GS2)          Discovered 2008-Apr-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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