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160214 (2002 CD257)
Classification: Main-belt Asteroid          SPK-ID: 2160214
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05129560701722188 4.2832e-08  
a 3.127006637021384 3.2498e-08 au
q 2.966604933428491 1.4276e-07 au
i 11.66398027772035 4.939e-06 deg
node 117.9138324780083 2.4135e-05 deg
peri 154.1040055077359 6.2572e-05 deg
M 343.2282780327234 5.4684e-05 deg
tp 2459094.595051638606
(2020-Sep-02.09505164)		 0.00030646 TDB
period 2019.722164247081
5.53		 3.1486e-05
8.62e-08		 d
yr
n .1782423376703409 2.7786e-09 deg/d
Q 3.287408340614278 3.4165e-08 au
   Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      6737 days (18.44 yr)  
   first obs. used      2002-01-06  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59892  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:07:36  

Additional Information
 Earth MOID = 1.95452 au 
 Jupiter MOID = 1.87479 au 
 T_jup = 3.180 
[ 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 14.8   n/a MPO433024  
diameter diameter 4.073 km 0.779 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.154   0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160214 (2002 CD257)          Discovered 2002-Feb-05 by LONEOS at Anderson Mesa
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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