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117504 (2005 CD23)
Classification: Main-belt Asteroid          SPK-ID: 2117504
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1363850008760113 4.4208e-08  
a 2.661636537278142 1.7692e-08 au
q 2.298629235809839 1.2078e-07 au
i 14.80193083181459 4.8274e-06 deg
node 115.1768375782342 1.9837e-05 deg
peri 6.73476710580565 2.7208e-05 deg
M 253.0744765389061 2.055e-05 deg
tp 2459671.586257912437
(2022-Apr-02.08625791)
9.2513e-05 TDB
period 1586.067080702065
4.34
1.5814e-05
4.33e-08
d
yr
n .2269765285341195 2.263e-09 deg/d
Q 3.024643838746444 2.0105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      516  
   data-arc span      8648 days (23.68 yr)  
   first obs. used      1997-05-06  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54737  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:36:45  

Additional Information
 Earth MOID = 1.31511 au 
 Jupiter MOID = 2.07096 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457364.5 (2015-Dec-08.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1346337008193559 4.3656e-08  
q 2.305182027341222 1.1908e-07 au
tp 2458079.483188769585
(2017-Nov-21.98318877)
8.8826e-05 TDB
node 115.256370775449 1.9878e-05 deg
peri 5.748860881828089 2.7539e-05 deg
i 14.7803275310869 4.8188e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      516  
   data-arc span      8648 days (23.68 yr)  
   first obs. used      1997-05-06  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54737  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:36:45  

Additional Information
 Jupiter MOID = 2.07096 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.905817014551877E-15 -5.155737685533132E-15 1.006142986051836E-12 -4.651357191076248E-17 2.303048905512806E-13 -1.859408334017094E-15
q -5.155737685533132E-15 1.417914877017095E-14 -2.26973107065806E-12 1.082682554939918E-15 -5.5163025951648E-13 6.184378225161605E-15
tp 1.006142986051836E-12 -2.26973107065806E-12 7.890041818933483E-9 -6.483535384238637E-12 1.718508174025324E-9 -1.32126905418366E-12
node -4.651357191076248E-17 1.082682554939918E-15 -6.483535384238637E-12 3.951363665147152E-10 -3.832780096559169E-10 2.453627047613373E-11
peri 2.303048905512806E-13 -5.5163025951648E-13 1.718508174025324E-9 -3.832780096559169E-10 7.584046297953739E-10 -2.418302612651795E-11
i -1.859408334017094E-15 6.184378225161605E-15 -1.32126905418366E-12 2.453627047613373E-11 -2.418302612651795E-11 2.32204558739593E-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 15.35   n/a E2021B55  
diameter diameter 2.517 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.232   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117504 (2005 CD23)          Discovered 2005-Feb-01 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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