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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1239599951522859 3.7839e-08  
a 3.183172510972862 2.0641e-08 au
q 2.788586461943776 1.2707e-07 au
i .3088020299924437 4.3227e-06 deg
node 239.5639063813816 0.00079096 deg
peri 235.3172677615616 0.00079126 deg
M 277.2024481404983 2.0863e-05 deg
tp 2459477.593704115888
(2021-Sep-20.09370412)		 0.00012182 TDB
period 2074.381785746116
5.68		 2.0177e-05
5.524e-08		 d
yr
n .1735456811632748 1.688e-09 deg/d
Q 3.577758560001947 2.32e-08 au
   Orbit Determination Parameters
   # obs. used (total)      734  
   data-arc span      8055 days (22.05 yr)  
   first obs. used      1998-10-28  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5609  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:00:50  

Additional Information
 Earth MOID = 1.80502 au 
 Jupiter MOID = 1.51733 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457360.5 (2015-Dec-04.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201383911932099 3.8565e-08  
q 2.803279368933035 1.2916e-07 au
tp 2457405.256052007545
(2016-Jan-17.75605201)		 0.00012052 TDB
node 240.2379910973189 0.00080836 deg
peri 235.4458101735212 0.00080868 deg
i .3032612315095365 4.3046e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      734  
   data-arc span      8055 days (22.05 yr)  
   first obs. used      1998-10-28  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5609  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:00:50  

Additional Information
 Jupiter MOID = 1.51733 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.487237694083483E-15 -4.935789339443825E-15 8.49798289774592E-13 6.033693533503716E-15 2.093600011067932E-13 -3.53996901675672E-17
q -4.935789339443825E-15 1.668133247171152E-14 -2.364785405692787E-12 -3.460300000548717E-15 -6.288388325447248E-13 1.547530322166827E-16
tp 8.49798289774592E-13 -2.364785405692787E-12 1.452468065317054E-8 3.253115796336082E-12 2.73641641966001E-9 5.59014531219739E-14
node 6.033693533503716E-15 -3.460300000548717E-15 3.253115796336082E-12 6.534496558861829E-7 -6.53439850521489E-7 -9.222724292014024E-10
peri 2.093600011067932E-13 -6.288388325447248E-13 2.73641641966001E-9 -6.53439850521489E-7 6.539577388772965E-7 9.22259401389381E-10
i -3.53996901675672E-17 1.547530322166827E-16 5.59014531219739E-14 -9.222724292014024E-10 9.22259401389381E-10 1.852918416981571E-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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