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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 ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1363849984519962 4.4006e-08  
a 2.661636537813605 1.7568e-08 au
q 2.29862924272412 1.2038e-07 au
i 14.80193056682719 4.8012e-06 deg
node 115.1768390479328 1.9575e-05 deg
peri 6.734766670889039 2.6954e-05 deg
M 253.0744760150772 2.0524e-05 deg
tp 2459671.586260362450
(2022-Apr-02.08626036)
9.2425e-05 TDB
period 1586.067081180688
4.34
1.5703e-05
4.299e-08
d
yr
n .2269765284656255 2.2472e-09 deg/d
Q 3.024643832903091 1.9963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      8648 days (23.68 yr)  
   first obs. used      1997-05-06  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54432  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:52:59  

Additional Information
 Earth MOID = 1.31511 au 
 Jupiter MOID = 2.07096 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457414.5 (2016-Jan-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1346007014748389 4.3449e-08  
q 2.3053170540168 1.1867e-07 au
tp 2458079.553871068599
(2017-Nov-22.05387107)
8.8638e-05 TDB
node 115.2557299805198 1.9616e-05 deg
peri 5.757121802951965 2.7289e-05 deg
i 14.77996363121806 4.7923e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      8648 days (23.68 yr)  
   first obs. used      1997-05-06  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54432  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:52:59  

Additional Information
 Jupiter MOID = 2.07096 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.887839050216555E-15 -5.114373413846907E-15 1.024469960939406E-12 -4.352513870333774E-16 2.376368740902087E-13 -1.79914898934584E-15
q -5.114373413846907E-15 1.408314350615874E-14 -2.308234397611062E-12 2.183386707106382E-15 -5.675098922744996E-13 5.989860627768041E-15
tp 1.024469960939406E-12 -2.308234397611062E-12 7.856707922010806E-9 -7.27441361394748E-12 1.707032739980863E-9 -1.171738296865836E-12
node -4.352513870333774E-16 2.183386707106382E-15 -7.27441361394748E-12 3.847881305023502E-10 -3.734872127018645E-10 2.588006988254297E-11
peri 2.376368740902087E-13 -5.675098922744996E-13 1.707032739980863E-9 -3.734872127018645E-10 7.447015102331745E-10 -2.543832089749362E-11
i -1.79914898934584E-15 5.989860627768041E-15 -1.171738296865836E-12 2.588006988254297E-11 -2.543832089749362E-11 2.296639464222647E-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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