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249131 (2007 YG56)
Classification: Main-belt Asteroid          SPK-ID: 2249131
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 .08167720978058479 4.8493e-08  
a 2.668645310708031 2.2574e-08 au
q 2.450677807835357 1.331e-07 au
i 10.2470540257448 5.763e-06 deg
node 302.1888443106661 2.7134e-05 deg
peri 170.3278596350664 4.1915e-05 deg
M 313.4232504608069 3.3522e-05 deg
tp 2459206.516206776207
(2020-Dec-23.01620678)
0.00014885 TDB
period 1592.335986800151
4.36
2.0204e-05
5.532e-08
d
yr
n .2260829391436611 2.8686e-09 deg/d
Q 2.886612813580705 2.4418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      6263 days (17.15 yr)  
   first obs. used      2002-10-13  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48365  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:44:13  

Additional Information
 Earth MOID = 1.46767 au 
 Jupiter MOID = 2.20334 au 
 T_jup = 3.355 
[ 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 15.8   n/a MPO494358  
diameter diameter 3.971 km 0.757 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249131 (2007 YG56)          Discovered 2007-Dec-30 by Healy, D. at Junk Bond
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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