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181871 (1999 CO153)
Classification: TransNeptunian Object          SPK-ID: 2181871
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08188962003059629 0.00012601  
a 43.46392623495019 0.011813 au
q 39.90468183053225 0.0060069 au
i .811058870989849 0.00025642 deg
node 278.6138047320118 0.014919 deg
peri 156.41644536425 0.11595 deg
M 67.39641634423744 0.12139 deg
tp 2439406.361972202063
(1966-Oct-07.86197220)
27.396 TDB
period 104662.6819737483
286.55
42.668
0.1168
d
yr
n .003439621393328099 1.4022e-06 deg/d
Q 47.02317063936813 0.01278 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      7357 days (20.14 yr)  
   first obs. used      1999-02-12  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .22792  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 19:12:26  

Additional Information
 Earth MOID = 38.9199 au 
 Jupiter MOID = 34.8118 au 
 T_jup = 5.880 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455297.5 (2010-Apr-11.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0842759190736332 0.00012713  
q 39.86499885194409 0.0059628 au
tp 2439523.847782791889
(1967-Feb-02.34778279)
26.453 TDB
node 278.2706668754433 0.015056 deg
peri 157.0480014324213 0.11238 deg
i .8078512170353392 0.00025516 deg
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      7357 days (20.14 yr)  
   first obs. used      1999-02-12  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .22792  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 19:12:26  

Additional Information
 Jupiter MOID = 34.8118 au 
 T_jup = 5.880 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.616089722004294E-8 5.957314030554138E-7 .002920478931142765 -1.912652847125925E-9 1.214383332139471E-5 7.264986519239936E-11
q 5.957314030554138E-7 3.555553365329343E-5 .1559602314309734 -1.823534989797568E-7 .0006585596521199922 1.844000038081178E-9
tp .002920478931142765 .1559602314309734 699.7711997301468 -.00074268644013087 2.945317047165142 1.014759847775808E-5
node -1.912652847125925E-9 -1.823534989797568E-7 -.00074268644013087 .000226693294232877 -.000229840663381782 3.617112401894062E-6
peri 1.214383332139471E-5 .0006585596521199922 2.945317047165142 -.000229840663381782 .01262909681646587 -3.575168441221515E-6
i 7.264986519239936E-11 1.844000038081178E-9 1.014759847775808E-5 3.617112401894062E-6 -3.575168441221515E-6 6.510703891896744E-8

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.4   n/a MPC27615  

181871 (1999 CO153)          Discovered 1999-Feb-12 by Trujillo, C. A., Luu, J. X., Jewitt, D. C. at Mauna Kea
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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