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249407 (2009 CY56)
Classification: Main-belt Asteroid          SPK-ID: 2249407
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03272444155592977 6.0586e-08  
a 3.165877170411688 4.1057e-08 au
q 3.062275607975299 2.147e-07 au
i 9.463867032544419 5.2752e-06 deg
node 344.6619951307821 3.1188e-05 deg
peri 176.1506206946204 8.782e-05 deg
M 342.0455336350718 7.9587e-05 deg
tp 2459103.114685754605
(2020-Sep-10.61468575)
0.00045435 TDB
period 2057.49845864636
5.63
4.0025e-05
1.096e-07
d
yr
n .1749697544059625 3.4037e-09 deg/d
Q 3.269478732848078 4.2401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      4983 days (13.64 yr)  
   first obs. used      2006-08-28  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51833  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:43:25  

Additional Information
 Earth MOID = 2.07012 au 
 Jupiter MOID = 1.71074 au 
 T_jup = 3.182 
[ 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 15.2   n/a MPO418331  
diameter diameter 6.508 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249407 (2009 CY56)          Discovered 2009-Feb-05 by CSS at Catalina
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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