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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .12408442226938 3.7209e-08  
a 3.183985245782346 1.9796e-08 au
q 2.788902276045214 1.2598e-07 au
i .3087360338429367 4.3069e-06 deg
node 239.5711118991824 0.00071178 deg
peri 235.2142018426505 0.00071211 deg
M 312.008024723919 2.0425e-05 deg
tp 2459477.143914484317
(2021-Sep-19.64391448)		 0.00011853 TDB
period 2075.176290232639
5.68		 1.9353e-05
5.299e-08		 d
yr
n .1734792372553765 1.6179e-09 deg/d
Q 3.579068215519479 2.2252e-08 au
   Orbit Determination Parameters
   # obs. used (total)      797  
   data-arc span      8115 days (22.22 yr)  
   first obs. used      1998-10-28  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54451  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:57:58  

Additional Information
 Earth MOID = 1.80524 au 
 Jupiter MOID = 1.51598 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 15.05   n/a E2021B10  
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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