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JPL Small-Body Database Browser
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249261 (2008 SS72)
Classification: Main-belt Asteroid          SPK-ID: 2249261
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1587678231176585 8.8568e-08  
a 3.126119001450861 4.1625e-08 au
q 2.629791892783759 2.9002e-07 au
i 28.60126525482405 8.4007e-06 deg
node 49.02875588779629 1.476e-05 deg
peri 327.131689041487 2.4762e-05 deg
M 327.2472464242584 1.8113e-05 deg
tp 2458784.175826652371
(2019-Oct-27.67582665)
0.00010093 TDB
period 2018.862244419897
5.53
4.0323e-05
1.104e-07
d
yr
n .1783182587098422 3.5616e-09 deg/d
Q 3.622446110117963 4.8234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      381  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-02-09  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58648  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:46:55  

Additional Information
 Earth MOID = 1.66525 au 
 Jupiter MOID = 1.87507 au 
 T_jup = 3.008 
[ 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 14.4   n/a MPO234238  
diameter diameter 7.110 km 0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249261 (2008 SS72)          Discovered 2008-Sep-22 by CSS at Catalina
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 SS72 = 2003 UN25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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