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JPL Small-Body Database Browser
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74478 (1999 CH68)
Classification: Main-belt Asteroid          SPK-ID: 2074478
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345278331759684 4.5556e-08  
a 3.188722529465236 2.6055e-08 au
q 2.759750596976885 1.4847e-07 au
i 5.403313838663338 5.2419e-06 deg
node 316.5418180938557 4.4946e-05 deg
peri 177.0102358943705 4.7878e-05 deg
M 202.2680230816939 1.6568e-05 deg
tp 2459511.756770302790
(2021-Oct-24.25677030)
0.00010025 TDB
period 2079.809330475279
5.69
2.5491e-05
6.979e-08
d
yr
n .1730927901538612 2.1215e-09 deg/d
Q 3.617694461953588 2.956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      867  
   data-arc span      7587 days (20.77 yr)  
   first obs. used      1999-01-13  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52267  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:53:47  

Additional Information
 Earth MOID = 1.77444 au 
 Jupiter MOID = 1.43086 au 
 T_jup = 3.176 
[ 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 14.1   n/a MPO453158  
diameter diameter 7.345 km 0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74478 (1999 CH68)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CH68 = 2002 RH58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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