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74496 (1999 CO136)
Classification: Main-belt Asteroid          SPK-ID: 2074496
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1239599953042135 3.8092e-08  
a 3.18317251107982 2.099e-08 au
q 2.788586461553864 1.2751e-07 au
i .3088020316064159 4.323e-06 deg
node 239.5639362994995 0.00081557 deg
peri 235.3172379208689 0.00081586 deg
M 277.2024480384948 2.1063e-05 deg
tp 2459477.593704727696
(2021-Sep-20.09370473)		 0.00012307 TDB
period 2074.381785850668
5.68		 2.0517e-05
5.617e-08		 d
yr
n .1735456811545278 1.7165e-09 deg/d
Q 3.577758560605776 2.3591e-08 au
   Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      8033 days (21.99 yr)  
   first obs. used      1998-10-28  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5621  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:43:26  

Additional Information
 Earth MOID = 1.80502 au 
 Jupiter MOID = 1.51733 au 
 T_jup = 3.187 
[ 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 15.0   n/a MPO453158  
diameter diameter 5.484 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74496 (1999 CO136)          Discovered 1999-Feb-09 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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