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74457 (1999 CC31)
Classification: Main-belt Asteroid          SPK-ID: 2074457
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1295676253823476 4.715e-08  
a 3.017536068762748 2.0401e-08 au
q 2.626561085827574 1.4225e-07 au
i 9.449493859691696 5.6392e-06 deg
node 339.5340217314244 2.6506e-05 deg
peri 60.85982461020267 3.319e-05 deg
M 32.12012040667143 1.8518e-05 deg
tp 2458429.674855940774
(2018-Nov-07.17485594)
9.8542e-05 TDB
period 1914.595931855477
5.24
1.9417e-05
5.316e-08
d
yr
n .1880292306121825 1.9069e-09 deg/d
Q 3.408511051697921 2.3045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      7979 days (21.85 yr)  
   first obs. used      1997-11-26  
   last obs. used      2019-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5486  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:53:20  

Additional Information
 Earth MOID = 1.64874 au 
 Jupiter MOID = 2.10792 au 
 T_jup = 3.214 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9   n/a MPO417340  
diameter diameter 5.800 km 0.452 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.174   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74457 (1999 CC31)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 CC31 = 2000 HD91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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