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243312 (2008 QE48)
Classification: Main-belt Asteroid          SPK-ID: 2243312
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02519561469084945 5.3222e-08  
a 3.124334808837598 3.0752e-08 au
q 3.045615272828917 1.7067e-07 au
i 14.98798222540395 6.3843e-06 deg
node 192.3911482948842 1.6686e-05 deg
peri 33.67483884967903 9.9385e-05 deg
M 160.6111085432657 9.8939e-05 deg
tp 2458100.571808642974
(2017-Dec-13.07180864)
0.00055121 TDB
period 2017.134131175346
5.52
2.9781e-05
8.154e-08
d
yr
n .1784710270061391 2.635e-09 deg/d
Q 3.203054344846279 3.1527e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      7541 days (20.65 yr)  
   first obs. used      2000-03-04  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5469  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:57:20  

Additional Information
 Earth MOID = 2.04819 au 
 Jupiter MOID = 1.76216 au 
 T_jup = 3.162 
[ 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 15.5   n/a MPO454784  
diameter diameter 4.889 km 1.284 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243312 (2008 QE48)          Discovered 2008-Aug-26 by LINEAR at Socorro
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2008 QE48 = 2007 OC3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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