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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1475017176331986 3.8793e-08  
a 2.632897945511068 1.3717e-08 au
q 2.244540976195266 9.8937e-08 au
i 15.95086015772547 4.6264e-06 deg
node 49.71333387408033 1.5079e-05 deg
peri 45.96649529054521 2.2467e-05 deg
M 120.9907289139174 1.7902e-05 deg
tp 2458872.056076620533
(2020-Jan-23.55607662)
7.5476e-05 TDB
period 1560.448590659666
4.27
1.2194e-05
3.339e-08
d
yr
n .2307028902809371 1.8029e-09 deg/d
Q 3.021254914826871 1.574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      11020 days (30.17 yr)  
   first obs. used      1991-04-10  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5366  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:31:26  

Additional Information
 Earth MOID = 1.28735 au 
 Jupiter MOID = 2.34644 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457348.5 (2015-Nov-22.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461096378394563 3.879e-08  
q 2.249123352902728 9.8754e-08 au
tp 2457312.729480229045
(2015-Oct-17.22948023)
7.1091e-05 TDB
node 49.76101989458443 1.5095e-05 deg
peri 46.44724294233513 2.2594e-05 deg
i 15.93971279285511 4.6232e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      11020 days (30.17 yr)  
   first obs. used      1991-04-10  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5366  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:31:26  

Additional Information
 Jupiter MOID = 2.34644 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.504660099770645E-15 -3.807026188329547E-15 1.312922763290674E-13 1.304505344688288E-14 -2.108855309486712E-14 -4.180132702299895E-15
q -3.807026188329547E-15 9.752310860294409E-15 -6.498476811524697E-14 -3.347991050551922E-14 1.147776570819407E-13 1.083611501534131E-14
tp 1.312922763290674E-13 -6.498476811524697E-14 5.053894165665179E-9 -7.301679546122084E-12 1.209039516167378E-9 -1.087555898708331E-12
node 1.304505344688288E-14 -3.347991050551922E-14 -7.301679546122084E-12 2.27846357491534E-10 -2.207845558763962E-10 -1.19361737645702E-11
peri -2.108855309486712E-14 1.147776570819407E-13 1.209039516167378E-9 -2.207845558763962E-10 5.104941740955402E-10 1.13196970801085E-11
i -4.180132702299895E-15 1.083611501534131E-14 -1.087555898708331E-12 -1.19361737645702E-11 1.13196970801085E-11 2.137408593529534E-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 15.12   n/a MPO636966  
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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