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JPL Small-Body Database Browser
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266669 (2008 XR11)
Classification: Main-belt Asteroid          SPK-ID: 2266669
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1994857366254548 6.1217e-08  
a 2.728871045410419 2.3741e-08 au
q 2.184500194760847 1.624e-07 au
i 8.092780041225488 5.8717e-06 deg
node 152.0018605353617 4.6602e-05 deg
peri 254.7215788654559 5.0373e-05 deg
M 121.2380190166705 1.4818e-05 deg
tp 2458045.990134091412
(2017-Oct-19.49013409)
6.885e-05 TDB
period 1646.542506601358
4.51
2.1487e-05
5.883e-08
d
yr
n .218639967420628 2.8532e-09 deg/d
Q 3.273241896059992 2.8477e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      8461 days (23.16 yr)  
   first obs. used      1996-02-10  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59458  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:59:40  

Additional Information
 Earth MOID = 1.20981 au 
 Jupiter MOID = 2.18442 au 
 T_jup = 3.312 
[ 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 MPO251743  
diameter diameter 3.514 km 0.824 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266669 (2008 XR11)          Discovered 2008-Dec-01 by CSS at Catalina
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2008 XR11 = 2005 EJ73 = 2010 FX19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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