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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0755051311344362 7.2117e-08  
a 2.736209501418069 2.6807e-08 au
q 2.529611644202208 2.0701e-07 au
i 5.299842798193501 7.5838e-06 deg
node 168.1130939561129 5.0079e-05 deg
peri 191.499469316649 5.8053e-05 deg
M 205.4196195268684 3.0784e-05 deg
tp 2459710.362636839587
(2022-May-10.86263684)
0.00014463 TDB
period 1653.188771305101
4.53
2.4295e-05
6.652e-08
d
yr
n .2177609757872962 3.2001e-09 deg/d
Q 2.942807358633931 2.8831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      8449 days (23.13 yr)  
   first obs. used      1997-03-10  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59206  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:42:18  

Additional Information
 Earth MOID = 1.52592 au 
 Jupiter MOID = 2.41377 au 
 T_jup = 3.342 
[ 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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