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249354 (2008 YX7)
Classification: Main-belt Asteroid          SPK-ID: 2249354
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0866472478100165 6.4135e-08  
a 3.003081694720366 4.0492e-08 au
q 2.742872930924206 2.0551e-07 au
i 12.77812555668331 6.9854e-06 deg
node 93.92204557908099 3.7282e-05 deg
peri .2933094071394386 7.3688e-05 deg
M .9560810152752407 5.898e-05 deg
tp 2458595.451744340886
(2019-Apr-21.95174434)
0.00031143 TDB
period 1900.855689261746
5.20
3.8445e-05
1.053e-07
d
yr
n .1893883907303962 3.8304e-09 deg/d
Q 3.263290458516526 4.4e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      6413 days (17.56 yr)  
   first obs. used      2001-07-20  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71786  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:43:51  

Additional Information
 Earth MOID = 1.75968 au 
 Jupiter MOID = 1.92319 au 
 T_jup = 3.209 
[ 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 15.3   n/a MPO418331  
diameter diameter 3.229 km 0.588 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.107   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249354 (2008 YX7)          Discovered 2008-Dec-22 by BATTeRS at Bisei SG Center
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 YX7 = 2002 TK216 = 2005 GQ223 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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