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JPL Small-Body Database Browser
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66231 (1999 CD125)
Classification: Main-belt Asteroid          SPK-ID: 2066231
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1475149244346955 4.1829e-08  
a 2.633790029800982 1.4779e-08 au
q 2.245266692578035 1.0888e-07 au
i 15.94890814727827 4.6978e-06 deg
node 49.72112617441226 1.8524e-05 deg
peri 46.09556955061837 2.5694e-05 deg
M 29.52070704946617 1.8218e-05 deg
tp 2458872.475111837895
(2020-Jan-23.97511184)
7.8582e-05 TDB
period 1561.241729784086
4.27
1.3141e-05
3.598e-08
d
yr
n .23058568902702 1.9408e-09 deg/d
Q 3.022313367023927 1.6959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      719  
   data-arc span      10524 days (28.81 yr)  
   first obs. used      1991-04-10  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55003  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:53:19  

Additional Information
 Earth MOID = 1.28827 au 
 Jupiter MOID = 2.34449 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456798.5 (2014-May-21.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1460740966733459 4.1936e-08  
q 2.24972121604977 1.0903e-07 au
tp 2457312.298173194366
(2015-Oct-16.79817319)
7.5463e-05 TDB
node 49.76949663782626 1.8542e-05 deg
peri 46.30111828975954 2.5832e-05 deg
i 15.93826445105977 4.6946e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      719  
   data-arc span      10524 days (28.81 yr)  
   first obs. used      1991-04-10  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55003  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:53:19  

Additional Information
 Jupiter MOID = 2.34449 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.758630462848141E-15 -4.542280795845615E-15 5.067636640664769E-13 1.288754695071503E-14 9.797858996193435E-14 -5.393660483298338E-15
q -4.542280795845615E-15 1.188675963917942E-14 -1.127688528211571E-12 -3.183250960988354E-14 -2.26693885825633E-13 1.440352251348292E-14
tp 5.067636640664769E-13 -1.127688528211571E-12 5.69472954079149E-9 1.210257404890314E-11 1.382183775745345E-9 -1.714957989736265E-12
node 1.288754695071503E-14 -3.183250960988354E-14 1.210257404890314E-11 3.438185913156484E-10 -3.275257824873523E-10 -6.272326956692067E-12
peri 9.797858996193435E-14 -2.26693885825633E-13 1.382183775745345E-9 -3.275257824873523E-10 6.672797094997553E-10 5.602739803369399E-12
i -5.393660483298338E-15 1.440352251348292E-14 -1.714957989736265E-12 -6.272326956692067E-12 5.602739803369399E-12 2.203917912591279E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO412596  
diameter diameter 3.702 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.155   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66231 (1999 CD125)          Discovered 1999-Feb-11 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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