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243258 (2007 XD17)
Classification: Main-belt Asteroid          SPK-ID: 2243258
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08193197616964491 5.0205e-08  
a 3.149849096313668 3.8589e-08 au
q 2.891775735216519 1.7627e-07 au
i 16.2612202680854 4.3848e-06 deg
node 259.0724151143514 2.2383e-05 deg
peri 349.488370811816 5.3753e-05 deg
M 274.5681536946208 5.3375e-05 deg
tp 2459485.063101384583
(2021-Sep-27.56310138)
0.00030693 TDB
period 2041.893322484193
5.59
3.7523e-05
1.027e-07
d
yr
n .1763069578786905 3.24e-09 deg/d
Q 3.407922457410817 4.1751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      2000-09-01  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57661  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:46:15  

Additional Information
 Earth MOID = 1.87865 au 
 Jupiter MOID = 1.67006 au 
 T_jup = 3.141 
[ 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 14.6   n/a MPO503159  
diameter diameter 7.431 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243258 (2007 XD17)          Discovered 2007-Dec-05 by LINEAR at Socorro
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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