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JPL Small-Body Database Browser
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249244 (2008 QE13)
Classification: Main-belt Asteroid          SPK-ID: 2249244
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .0751667951438536 7.2357e-08  
a 2.737117948893563 3.2008e-08 au
q 2.531377564744516 2.071e-07 au
i 5.298850558031349 7.8648e-06 deg
node 168.1148508474626 5.6925e-05 deg
peri 191.6245686204523 6.7876e-05 deg
M 118.2022429652992 3.5058e-05 deg
tp 2458057.422371787844
(2017-Oct-30.92237179)
0.0001622 TDB
period 1654.012151138044
4.53
2.9013e-05
7.943e-08
d
yr
n .2176525727167734 3.8178e-09 deg/d
Q 2.942858333042611 3.4414e-08 au
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      7974 days (21.83 yr)  
   first obs. used      1997-03-10  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60695  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:07:09  

Additional Information
 Earth MOID = 1.52682 au 
 Jupiter MOID = 2.41297 au 
 T_jup = 3.341 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO433633  
diameter diameter 3.154 km 1.727 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249244 (2008 QE13)          Discovered 2008-Aug-27 by La Sagra at La Sagra
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

Alternate Designations
 2008 QE13 = 2008 ST64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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