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JPL Small-Body Database Browser
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266915 (2009 XX12)
Classification: Main-belt Asteroid          SPK-ID: 2266915
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09461155224982283 6.3558e-08  
a 2.57424414826275 2.4483e-08 au
q 2.330690913525588 1.6689e-07 au
i 1.529671580304168 6.5551e-06 deg
node 175.4006251414666 0.00020797 deg
peri 175.4719525903481 0.00021058 deg
M 165.9316443393495 3.3167e-05 deg
tp 2457905.155947522069
(2017-May-31.65594752)
0.00014144 TDB
period 1508.596264978329
4.13
2.1522e-05
5.892e-08
d
yr
n .2386324349047566 3.4044e-09 deg/d
Q 2.817797382999912 2.68e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      7268 days (19.90 yr)  
   first obs. used      1999-04-16  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64077  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:40:16  

Additional Information
 Earth MOID = 1.32372 au 
 Jupiter MOID = 2.54481 au 
 T_jup = 3.421 
[ 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 16.5   n/a MPO427481  
diameter diameter 3.006 km 0.819 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266915 (2009 XX12)          Discovered 2009-Dec-11 by CSS at Catalina
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 XX12 = 2007 EJ131 = 2007 FB48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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