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JPL Small-Body Database Browser
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74470 (1999 CH55)
Classification: Main-belt Asteroid          SPK-ID: 2074470
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09969061046808714 4.173e-08  
a 3.134135207967404 2.1864e-08 au
q 2.821691355795608 1.3299e-07 au
i 6.13703639350339 4.8403e-06 deg
node 58.63262520535888 4.3656e-05 deg
peri 186.9961367383815 4.9981e-05 deg
M 156.9668019792045 2.5231e-05 deg
tp 2457716.849904975389
(2016-Nov-24.34990498)
0.00014045 TDB
period 2026.632575791439
5.55
2.1207e-05
5.806e-08
d
yr
n .1776345669660486 1.8588e-09 deg/d
Q 3.446579060139199 2.4044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1308  
   data-arc span      10211 days (27.96 yr)  
   first obs. used      1991-12-14  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5389  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:47:49  

Additional Information
 Earth MOID = 1.80831 au 
 Jupiter MOID = 1.56785 au 
 T_jup = 3.196 
[ 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 13.7   n/a MPO337819  
diameter diameter 9.132 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74470 (1999 CH55)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CH55 = 1991 XB7 = 2001 RA105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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