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160268 (2002 SP20)
Classification: Main-belt Asteroid          SPK-ID: 2160268
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1685043842282459 7.0167e-08  
a 3.158554378098415 2.2469e-08 au
q 2.626324117565511 2.2147e-07 au
i 2.307018599010725 4.581e-06 deg
node 103.9171190039612 0.00018132 deg
peri 272.5233441214458 0.00018211 deg
M 42.0388479662797 1.4688e-05 deg
tp 2458761.069611919227
(2019-Oct-04.56961192)
8.3914e-05 TDB
period 2050.363981863087
5.61
2.1878e-05
5.99e-08
d
yr
n .1755785817466818 1.8735e-09 deg/d
Q 3.690784638631318 2.6255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      6333 days (17.34 yr)  
   first obs. used      2002-09-05  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58416  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:30:54  

Additional Information
 Earth MOID = 1.62912 au 
 Jupiter MOID = 1.77308 au 
 T_jup = 3.182 
[ 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 15.4   n/a MPO502931  

160268 (2002 SP20)          Discovered 2002-Sep-26 by NEAT at Palomar
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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