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JPL Small-Body Database Browser
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226459 (2003 SG139)
Classification: Main-belt Asteroid          SPK-ID: 2226459
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 .1170795265211741 7.5845e-08  
a 3.195924392090075 4.6473e-08 au
q 2.821747077466698 2.4304e-07 au
i 8.774244721557451 8.5907e-06 deg
node 197.3096754491589 4.3487e-05 deg
peri 166.9905421431255 5.2577e-05 deg
M 274.1585146331039 3.2171e-05 deg
tp 2459098.108619557184
(2020-Sep-05.60861956)
0.00019237 TDB
period 2086.859311379873
5.71
4.5518e-05
1.246e-07
d
yr
n .1725080354180468 3.7627e-09 deg/d
Q 3.570101706713452 5.1914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      5351 days (14.65 yr)  
   first obs. used      2003-09-19  
   last obs. used      2018-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57255  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:45:59  

Additional Information
 Earth MOID = 1.82006 au 
 Jupiter MOID = 1.90071 au 
 T_jup = 3.167 
[ 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 15.4   n/a MPO413100  
diameter diameter 5.188 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226459 (2003 SG139)          Discovered 2003-Sep-20 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2003 SG139 = 2008 NW1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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