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344237 (2001 SG137)
Classification: Main-belt Asteroid          SPK-ID: 2344237
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1618684652738807 7.179e-08  
a 2.437492621913774 1.7119e-08 au
q 2.042939432088184 1.801e-07 au
i 6.874997820526368 6.4425e-06 deg
node 190.1912663933913 5.4392e-05 deg
peri 165.3260423194172 5.7528e-05 deg
M 334.8752856128057 2.1664e-05 deg
tp 2459097.508999223346
(2020-Sep-05.00899922)
8.4234e-05 TDB
period 1389.995491379766
3.81
1.4643e-05
4.009e-08
d
yr
n .25899364583021 2.7284e-09 deg/d
Q 2.832045811739364 1.989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      6456 days (17.68 yr)  
   first obs. used      2001-09-16  
   last obs. used      2019-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59514  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:17:04  

Additional Information
 Earth MOID = 1.03957 au 
 Jupiter MOID = 2.62174 au 
 T_jup = 3.476 
[ 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 17.1   n/a MPO434165  

344237 (2001 SG137)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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