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JPL Small-Body Database Browser
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243492 (2009 UB26)
Classification: Main-belt Asteroid          SPK-ID: 2243492
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03417650839388778 7.0133e-08  
a 2.789580490459037 3.6624e-08 au
q 2.694242369411438 1.9299e-07 au
i 6.028316831840929 5.9377e-06 deg
node 60.18341038316004 7.0954e-05 deg
peri 272.7874005724284 0.00011545 deg
M 75.73068572751544 9.2444e-05 deg
tp 2458242.505659505152
(2018-May-04.00565951)
0.00043708 TDB
period 1701.793154783489
4.66
3.3514e-05
9.176e-08
d
yr
n .2115415724808231 4.166e-09 deg/d
Q 2.884918611506636 3.7876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      9337 days (25.56 yr)  
   first obs. used      1993-03-23  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65088  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:10:37  

Additional Information
 Earth MOID = 1.69129 au 
 Jupiter MOID = 2.23118 au 
 T_jup = 3.321 
[ 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 16.0   n/a MPO454787  
diameter diameter 3.158 km 1.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243492 (2009 UB26)          Discovered 2009-Oct-21 by CSS at Catalina
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2009 UB26 = 2007 EW107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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