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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05065986467773384 4.3392e-08  
a 3.12504611365503 3.8602e-08 au
q 2.966731700425588 1.4305e-07 au
i 11.6635288747857 5.3748e-06 deg
node 117.919686496393 2.6246e-05 deg
peri 154.3750371672776 6.6559e-05 deg
M 271.581019786644 5.9737e-05 deg
tp 2459096.094037919337
(2020-Sep-03.59403792)		 0.0003349 TDB
period 2017.823019677975
5.52		 3.7388e-05
1.024e-07		 d
yr
n .1784100966681669 3.3057e-09 deg/d
Q 3.283360526884472 4.0558e-08 au
   Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      6306 days (17.26 yr)  
   first obs. used      2002-01-06  
   last obs. used      2019-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6145  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:27:30  

Additional Information
 Earth MOID = 1.95398 au 
 Jupiter MOID = 1.87797 au 
 T_jup = 3.181 
[ 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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