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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08238682561921555 9.5867e-05  
a 43.42756285293331 0.010523 au
q 39.84970380510118 0.0059016 au
i .8107374737338768 0.00022537 deg
node 278.5816966117839 0.013869 deg
peri 155.695645589605 0.10977 deg
M 68.74959036603984 0.11343 deg
tp 2439238.032264681508
(1966-Apr-22.53226468)
25.723 TDB
period 104531.3629717939
286.19
37.994
0.104
d
yr
n .003443942466311667 1.2518e-06 deg/d
Q 47.00542190076545 0.01139 au
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      8004 days (21.91 yr)  
   first obs. used      1999-02-12  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .22108  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:24  

Additional Information
 Earth MOID = 38.8643 au 
 Jupiter MOID = 34.7607 au 
 T_jup = 5.878 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.33   n/a MPCxxxxx  

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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