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(2018 CB)
Classification: Apollo [NEO]          SPK-ID: 3798991
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3197657055129215 8.9088e-07  
a 1.408136318164353 2.3578e-06 au
q .9578626149281609 3.5442e-07 au
i 5.303379180103087 5.1116e-06 deg
node 320.7539363483741 3.4438e-06 deg
peri 208.1069255876737 0.00021017 deg
M 240.0759246579179 0.001403 deg
tp 2459403.814968900678
(2021-Jul-08.31496890)
0.0028892 TDB
period 610.3310665140498
1.67
0.0015329
4.197e-06
d
yr
n .5898438073227472 1.4815e-06 deg/d
Q 1.858410021400545 3.1118e-06 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   # delay obs. used      0  
   # Doppler obs. used      4  
   data-arc span      5 days  
   first obs. used      2018-02-04  
   last obs. used      2018-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .24497  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-03 14:23:36  

Additional Information
 Earth MOID = .000491721 au 
 Jupiter MOID = 3.11796 au 
 T_jup = 4.677 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458156.5 (2018-Feb-07.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2618733327830488 1.825e-07  
q .9306728694911078 1.3648e-07 au
tp 2458196.036377529417
(2018-Mar-18.53637753)
5.1421e-05 TDB
node 320.930339265479 2.979e-06 deg
peri 223.2888852622262 6.1733e-05 deg
i 5.155841644217991 5.2571e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      206  
   # delay obs. used      0  
   # Doppler obs. used      4  
   data-arc span      5 days  
   first obs. used      2018-02-04  
   last obs. used      2018-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .24497  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-03 14:23:36  

Additional Information
 Jupiter MOID = 3.11796 au 
 T_jup = 4.677 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.33078855668557E-14 1.371235685619166E-14 -6.719400731738113E-12 -1.02144923344435E-13 -7.766078760044731E-12 -1.664207843810941E-13
q 1.371235685619166E-14 1.862671857927408E-14 -6.849141835363832E-12 -2.280221577564166E-13 -8.29120057012043E-12 -1.824353453436684E-14
tp -6.719400731738113E-12 -6.849141835363832E-12 2.644151150375606E-9 8.382957871170092E-11 3.168518626433436E-9 1.802657100927488E-11
node -1.02144923344435E-13 -2.280221577564166E-13 8.382957871170092E-11 8.874143467386902E-12 9.541141740085854E-11 -5.21792145979536E-13
peri -7.766078760044731E-12 -8.29120057012043E-12 3.168518626433436E-9 9.541141740085854E-11 3.810909363417626E-9 1.943351913883464E-11
i -1.664207843810941E-13 -1.824353453436684E-14 1.802657100927488E-11 -5.21792145979536E-13 1.943351913883464E-11 2.763745483346756E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.9   n/a MPO435629  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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