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233581 (2007 QX8)
Classification: Main-belt Asteroid          SPK-ID: 2233581
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2571193897192531 8.1001e-08  
a 2.550203493451185 1.9062e-08 au
q 1.894496727555109 2.1246e-07 au
i 11.81675110728759 9.6419e-06 deg
node 157.2547831830934 3.1116e-05 deg
peri 97.54728110831415 3.8168e-05 deg
M 101.2891720907888 1.9881e-05 deg
tp 2458581.975195739244
(2019-Apr-08.47519574)
8.3745e-05 TDB
period 1487.512696804579
4.07
1.6678e-05
4.566e-08
d
yr
n .2420147409654647 2.7134e-09 deg/d
Q 3.205910259347261 2.3963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      7889 days (21.60 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58843  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 01:36:14  

Additional Information
 Earth MOID = .92361 au 
 Jupiter MOID = 2.00525 au 
 T_jup = 3.365 
[ 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 16.6   n/a MPO433526  
diameter diameter 2.623 km 0.674 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233581 (2007 QX8)          Discovered 2007-Aug-22 by LONEOS at Anderson Mesa
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2007 QX8 = 2006 EG20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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