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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1297183859713566 4.3812e-08  
a 3.01679590378433 1.907e-08 au
q 2.625462008340427 1.294e-07 au
i 9.451428278463206 5.3898e-06 deg
node 339.5254835888548 2.2843e-05 deg
peri 60.7325386579665 3.0371e-05 deg
M 107.4580830268328 1.8473e-05 deg
tp 2458429.213568331182
(2018-Nov-06.71356833)
9.8273e-05 TDB
period 1913.89153433362
5.24
1.8148e-05
4.969e-08
d
yr
n .1880984337627812 1.7836e-09 deg/d
Q 3.408129799228234 2.1544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1242  
   data-arc span      8208 days (22.47 yr)  
   first obs. used      1997-11-26  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:43:37  

Additional Information
 Earth MOID = 1.64819 au 
 Jupiter MOID = 2.10886 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 14.0   n/a MPO493389  
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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