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249245 (2008 QO48)
Classification: Main-belt Asteroid          SPK-ID: 2249245
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09175616856896779 5.7637e-08  
a 2.758211848411304 3.1839e-08 au
q 2.505128897099552 1.615e-07 au
i 4.600421809482341 6.0848e-06 deg
node 290.8518597033992 9.5708e-05 deg
peri 120.1525442701956 0.00010596 deg
M 153.4221210542896 4.6531e-05 deg
tp 2458287.441209378834
(2018-Jun-17.94120938)
0.00021039 TDB
period 1673.169180947408
4.58
2.8971e-05
7.932e-08
d
yr
n .2151605492734185 3.7255e-09 deg/d
Q 3.011294799723056 3.476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      6141 days (16.81 yr)  
   first obs. used      2003-07-05  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55158  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:42:18  

Additional Information
 Earth MOID = 1.51986 au 
 Jupiter MOID = 2.2894 au 
 T_jup = 3.332 
[ 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 16.3   n/a MPO418330  
diameter diameter 4.097 km 0.316 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.026   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249245 (2008 QO48)          Discovered 2008-Aug-24 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 QO48 = 2004 XT65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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