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79956 (1999 CW105)
Classification: Main-belt Asteroid          SPK-ID: 2079956
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1566783119401451 3.4538e-08  
a 2.721042709792581 1.5013e-08 au
q 2.294714331305241 9.6815e-08 au
i 8.480906764715888 5.4126e-06 deg
node 299.6942194378188 2.8258e-05 deg
peri 129.4154066147775 3.4461e-05 deg
M 319.9039593997414 1.9078e-05 deg
tp 2459183.099865382631
(2020-Nov-29.59986538)
8.7276e-05 TDB
period 1639.462414583734
4.49
1.3568e-05
3.715e-08
d
yr
n .2195841739326518 1.8173e-09 deg/d
Q 3.147371088279921 1.7365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      930  
   data-arc span      7964 days (21.80 yr)  
   first obs. used      1999-01-08  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53384  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:21:22  

Additional Information
 Earth MOID = 1.32016 au 
 Jupiter MOID = 2.14548 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457205.5 (2015-Jul-02.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1555136048740866 3.3937e-08  
q 2.299608928602875 9.4946e-08 au
tp 2457536.259761157651
(2016-May-27.75976116)
8.607e-05 TDB
node 299.968360739957 2.8321e-05 deg
peri 128.0092255597731 3.4668e-05 deg
i 8.46504338554745 5.409e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      930  
   data-arc span      7964 days (21.80 yr)  
   first obs. used      1999-01-08  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53384  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:21:22  

Additional Information
 Jupiter MOID = 2.14548 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.151710432035994E-15 -3.19340103587787E-15 5.427005327952732E-13 7.064622049631009E-16 1.463629286911101E-13 -1.408096008656647E-16
q -3.19340103587787E-15 9.014710040279372E-15 -1.301851332550348E-12 -3.739814582491595E-16 -3.700885348596562E-13 1.133156112656744E-15
tp 5.427005327952732E-13 -1.301851332550348E-12 7.408056655830336E-9 1.129861814897095E-12 1.734491788842693E-9 8.605987722503588E-12
node 7.064622049631009E-16 -3.739814582491595E-16 1.129861814897095E-12 8.020935856173151E-10 -7.928490713331281E-10 4.511455047721199E-11
peri 1.463629286911101E-13 -3.700885348596562E-13 1.734491788842693E-9 -7.928490713331281E-10 1.201837437935432E-9 -4.275379964446034E-11
i -1.408096008656647E-16 1.133156112656744E-15 8.605987722503588E-12 4.511455047721199E-11 -4.275379964446034E-11 2.925716579941526E-11

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 14.9   n/a MPO417376  

79956 (1999 CW105)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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