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JPL Small-Body Database Browser
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233720 (2008 SK142)
Classification: Main-belt Asteroid          SPK-ID: 2233720
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .145908191248397 4.849e-08  
a 3.093258249774965 3.1286e-08 au
q 2.641926533486117 1.5777e-07 au
i 2.543870944228048 5.3035e-06 deg
node 101.1672838390187 0.00017541 deg
peri 352.2773417807454 0.00017741 deg
M 291.5885600990523 2.651e-05 deg
tp 2458978.114730341268
(2020-May-08.61473034)
0.00014761 TDB
period 1987.113604386702
5.44
3.0147e-05
8.254e-08
d
yr
n .1811672967289203 2.7485e-09 deg/d
Q 3.544589966063812 3.5851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      5344 days (14.63 yr)  
   first obs. used      2005-04-10  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48273  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:54:28  

Additional Information
 Earth MOID = 1.65873 au 
 Jupiter MOID = 1.6387 au 
 T_jup = 3.206 
[ 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 15.8   n/a MPO454690  
diameter diameter 3.428 km 0.394 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233720 (2008 SK142)          Discovered 2008-Sep-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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