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249270 (2008 SA167)
Classification: Main-belt Asteroid          SPK-ID: 2249270
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1122490669877806 4.5282e-08  
a 3.106036981432466 2.5383e-08 au
q 2.757387228237129 1.4284e-07 au
i 17.20803856349554 6.0729e-06 deg
node 198.6802217293352 1.2597e-05 deg
peri 220.4863331324602 2.5734e-05 deg
M 17.07698250818529 2.0612e-05 deg
tp 2458905.654442624330
(2020-Feb-26.15444262)
0.00011448 TDB
period 1999.439926747895
5.47
2.451e-05
6.71e-08
d
yr
n .1800504207123356 2.2071e-09 deg/d
Q 3.454686734627803 2.8232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      9042 days (24.76 yr)  
   first obs. used      1995-04-26  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53037  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:21:10  

Additional Information
 Earth MOID = 1.78846 au 
 Jupiter MOID = 2.0379 au 
 T_jup = 3.142 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO413152  
diameter diameter 5.707 km 0.430 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249270 (2008 SA167)          Discovered 2008-Sep-28 by LINEAR at Socorro
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

Alternate Designations
 2008 SA167 = 2006 KK144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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