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213768 (2003 CK20)
Classification: Main-belt Asteroid          SPK-ID: 2213768
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560323892882985 4.442e-08  
a 3.096145519879749 3.2598e-08 au
q 2.613046536828651 1.3283e-07 au
i 4.685209045286114 6.9587e-06 deg
node 190.9423433706396 6.0368e-05 deg
peri 262.2597041046285 6.4712e-05 deg
M 140.5349149221034 2.3469e-05 deg
tp 2458423.694650120623
(2018-Nov-01.19465012)
0.00012537 TDB
period 1989.896433292623
5.45
3.1426e-05
8.604e-08
d
yr
n .1809139380205424 2.8571e-09 deg/d
Q 3.579244502930847 3.7684e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7238 days (19.82 yr)  
   first obs. used      2000-07-31  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53796  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:00  

Additional Information
 Earth MOID = 1.63465 au 
 Jupiter MOID = 1.64874 au 
 T_jup = 3.199 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457297.5 (2015-Oct-02.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157268184284962 4.4379e-08  
q 2.609148490721107 1.3284e-07 au
tp 2456434.810141182979
(2013-May-22.31014118)
0.00011861 TDB
node 190.9675344585096 6.0385e-05 deg
peri 262.5746820287349 6.4656e-05 deg
i 4.684872100092574 6.9588e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7238 days (19.82 yr)  
   first obs. used      2000-07-31  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53796  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:00  

Additional Information
 Jupiter MOID = 1.64874 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.969532524636854E-15 -5.776259716382211E-15 -6.27897413944514E-13 -1.445003226862809E-17 -1.119310583450943E-13 -1.005998679433976E-15
q -5.776259716382211E-15 1.764561574126392E-14 2.11732550185052E-12 1.733503916367704E-15 4.403218132665495E-13 3.650467837242916E-15
tp -6.27897413944514E-13 2.11732550185052E-12 1.406816522022636E-8 -3.009263289681604E-11 2.751047539809645E-9 -1.457674631006366E-12
node -1.445003226862809E-17 1.733503916367704E-15 -3.009263289681604E-11 3.646290240203827E-9 -3.639256507344068E-9 2.37770549140762E-11
peri -1.119310583450943E-13 4.403218132665495E-13 2.751047539809645E-9 -3.639256507344068E-9 4.180374907531787E-9 -2.391543892082345E-11
i -1.005998679433976E-15 3.650467837242916E-15 -1.457674631006366E-12 2.37770549140762E-11 -2.391543892082345E-11 4.842470007761708E-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 15.77   n/a MPCxxxxx  

213768 (2003 CK20)          Discovered 2003-Feb-09 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2003 CK20 = 2001 WC99 = 2001 WF65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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