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146893 (2002 CK55)
Classification: Main-belt Asteroid          SPK-ID: 2146893
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1539905561536634 4.5468e-08  
a 3.170012217818307 2.4392e-08 au
q 2.681860273382558 1.4308e-07 au
i 2.834934364128102 5.3014e-06 deg
node 280.8853653173722 0.00010501 deg
peri 202.6608781315063 0.00010659 deg
M 114.63211144205 1.811e-05 deg
tp 2458344.062138356507
(2018-Aug-13.56213836)
0.00010132 TDB
period 2061.53081557015
5.64
2.3794e-05
6.514e-08
d
yr
n .1746275133415535 2.0156e-09 deg/d
Q 3.658164162254056 2.8148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      7209 days (19.74 yr)  
   first obs. used      2000-11-20  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56372  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:22:52  

Additional Information
 Earth MOID = 1.6978 au 
 Jupiter MOID = 1.42821 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457231.5 (2015-Jul-28.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1554000040254981 4.5501e-08  
q 2.676384603643937 1.4385e-07 au
tp 2456281.833690773564
(2012-Dec-20.33369077)
9.6423e-05 TDB
node 280.9282235393832 0.00010504 deg
peri 202.2431664760681 0.00010659 deg
i 2.835115056843355 5.3016e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      7209 days (19.74 yr)  
   first obs. used      2000-11-20  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56372  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:22:52  

Additional Information
 Jupiter MOID = 1.42821 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.070318559097545E-15 -6.475876283391123E-15 -2.00236381499844E-13 5.762833251941522E-15 -6.300377047862088E-14 -1.109381075065116E-15
q -6.475876283391123E-15 2.06919993303757E-14 7.042324177506796E-13 -9.297966507144681E-15 2.408420859246291E-13 3.07039344364476E-15
tp -2.00236381499844E-13 7.042324177506796E-13 9.297304746663912E-9 1.571977017278799E-11 1.780162627113167E-9 -3.475009723166747E-13
node 5.762833251941522E-15 -9.297966507144681E-15 1.571977017278799E-11 1.103300388388472E-8 -1.101493509183226E-8 -1.051299343078321E-11
peri -6.300377047862088E-14 2.408420859246291E-13 1.780162627113167E-9 -1.101493509183226E-8 1.136124433790482E-8 1.035316563949238E-11
i -1.109381075065116E-15 3.07039344364476E-15 -3.475009723166747E-13 -1.051299343078321E-11 1.035316563949238E-11 2.810722246412977E-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 15.2   n/a MPO475273  

146893 (2002 CK55)          Discovered 2002-Feb-07 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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