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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08645845871766898 5.4222e-08  
a 3.001959398028679 3.4306e-08 au
q 2.742414615342098 1.6484e-07 au
i 12.77821435115811 5.9813e-06 deg
node 93.92184906569594 3.4553e-05 deg
peri .07043013393091663 7.2302e-05 deg
M 76.94316295556025 5.8489e-05 deg
tp 2458594.455920596867
(2019-Apr-20.95592060)
0.00030966 TDB
period 1899.790221381385
5.20
3.2566e-05
8.916e-08
d
yr
n .1894946062719677 3.2483e-09 deg/d
Q 3.26150418071526 3.7272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      361  
   data-arc span      6857 days (18.77 yr)  
   first obs. used      2001-07-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6083  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:42:45  

Additional Information
 Earth MOID = 1.75916 au 
 Jupiter MOID = 1.9244 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 15.4   n/a MPO470660  
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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