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233741 (2008 SN271)
Classification: Main-belt Asteroid          SPK-ID: 2233741
[ 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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05078326822544976 6.4467e-08  
a 2.758039969230007 2.369e-08 au
q 2.617977685696088 1.7764e-07 au
i 1.751644893119192 6.0735e-06 deg
node 104.3955812173597 0.00028564 deg
peri 319.1493218781009 0.00029695 deg
M 170.0799808395479 8.0766e-05 deg
tp 2458210.094492351913
(2018-Apr-01.59449235)		 0.0003747 TDB
period 1673.012786976674
4.58		 2.1555e-05
5.901e-08		 d
yr
n .2151806625761429 2.7724e-09 deg/d
Q 2.898102252763925 2.4893e-08 au
   Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      7441 days (20.37 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61101  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:13:18  

Additional Information
 Earth MOID = 1.63135 au 
 Jupiter MOID = 2.25462 au 
 T_jup = 3.340 
[ 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 MPO422905  

233741 (2008 SN271)          Discovered 2008-Sep-29 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 SN271 = 1999 XY146 = 2004 XX119 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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