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305369 (2008 CY)
Classification: Main-belt Asteroid          SPK-ID: 2305369
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0459145130182574 6.38e-08  
a 3.171503730988915 6.6843e-08 au
q 3.025885681644973 1.859e-07 au
i 5.075551086480591 7.5145e-06 deg
node 265.5084952309493 7.6064e-05 deg
peri 63.55934364587083 0.0001164 deg
M 170.4238636049855 8.9693e-05 deg
tp 2457623.883240485269
(2016-Aug-23.38324049)
0.00051206 TDB
period 2062.985933942987
5.65
6.522e-05
1.786e-07
d
yr
n .1745043405661675 5.5168e-09 deg/d
Q 3.317121780332858 6.9912e-08 au
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      4436 days (12.15 yr)  
   first obs. used      2006-12-13  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56385  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:12:22  

Additional Information
 Earth MOID = 2.01774 au 
 Jupiter MOID = 1.87196 au 
 T_jup = 3.194 
[ 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 16.0   n/a MPO433967  
diameter diameter 3.986 km 0.813 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

305369 (2008 CY)          Discovered 2008-Feb-02 by Gierlinger, R. at Gaisberg
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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