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295593 (2008 SB139)
Classification: Main-belt Asteroid          SPK-ID: 2295593
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 .1816828639897694 5.7773e-08  
a 2.164703358626713 1.585e-08 au
q 1.771413852743139 1.3291e-07 au
i 4.462016377830872 5.5098e-06 deg
node 153.8654591727577 5.4987e-05 deg
peri 186.7959554709624 5.7579e-05 deg
M 269.2399157999147 2.2027e-05 deg
tp 2459293.784021492313
(2021-Mar-20.28402149)
7.3965e-05 TDB
period 1163.311478474074
3.18
1.2777e-05
3.498e-08
d
yr
n .3094614010619194 3.3989e-09 deg/d
Q 2.557992864510287 1.873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      9065 days (24.82 yr)  
   first obs. used      1995-07-03  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55358  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:43:34  

Additional Information
 Earth MOID = .7629 au 
 Jupiter MOID = 2.82972 au 
 T_jup = 3.668 
[ 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 17.7   n/a MPO254544  

295593 (2008 SB139)          Discovered 2008-Sep-23 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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