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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1239599863971636 4.0364e-08  
a 3.183172503769952 2.3852e-08 au
q 2.788586483502804 1.3161e-07 au
i .3088018598981667 4.3346e-06 deg
node 239.563625106709 0.0009492 deg
peri 235.3175454983571 0.00094947 deg
M 277.2024531668874 2.2649e-05 deg
tp 2459477.593673533614
(2021-Sep-20.09367353)		 0.00013304 TDB
period 2074.381778705223
5.68		 2.3315e-05
6.383e-08		 d
yr
n .1735456817523257 1.9506e-09 deg/d
Q 3.577758524037101 2.6808e-08 au
   Orbit Determination Parameters
   # obs. used (total)      648  
   data-arc span      7699 days (21.08 yr)  
   first obs. used      1998-10-28  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5734  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:06:00  

Additional Information
 Earth MOID = 1.80502 au 
 Jupiter MOID = 1.51733 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456949.5 (2014-Oct-19.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1199916537036535 4.116e-08  
q 2.803885109134114 1.338e-07 au
tp 2457404.757575619119
(2016-Jan-17.25757562)		 0.00012796 TDB
node 240.2501112926558 0.00096934 deg
peri 235.3155167531267 0.00096962 deg
i .3032020950863157 4.3171e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      648  
   data-arc span      7699 days (21.08 yr)  
   first obs. used      1998-10-28  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5734  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:06:00  

Additional Information
 Jupiter MOID = 1.51733 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.694184758547678E-15 -5.438675474543852E-15 1.461600023870176E-12 1.238386005681898E-14 2.962735860737428E-13 -6.011655934335319E-17
q -5.438675474543852E-15 1.790195004208442E-14 -3.841374997557666E-12 -2.229071304424235E-14 -8.348301841453592E-13 2.243544477600108E-16
tp 1.461600023870176E-12 -3.841374997557666E-12 1.637385730051115E-8 -2.219639417933026E-11 3.045992952966081E-9 -5.740302618989683E-14
node 1.238386005681898E-14 -2.229071304424235E-14 -2.219639417933026E-11 9.396134153433317E-7 -9.396047188659214E-7 -8.124936588002066E-10
peri 2.962735860737428E-13 -8.348301841453592E-13 3.045992952966081E-9 -9.396047188659214E-7 9.401674174172288E-7 8.124639449067567E-10
i -6.011655934335319E-17 2.243544477600108E-16 -5.740302618989683E-14 -8.124936588002066E-10 8.124639449067567E-10 1.863759117344994E-11

[ 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

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