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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ 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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