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216867 (2008 CP197)
Classification: Main-belt Asteroid          SPK-ID: 2216867
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05982711278105732 4.5438e-08  
a 2.999927971765185 2.7621e-08 au
q 2.82045094266334 1.4536e-07 au
i 2.461795622740568 5.6588e-06 deg
node 234.3827920219663 0.00011909 deg
peri 71.50878236704828 0.00012912 deg
M 57.02183857428766 5.0349e-05 deg
tp 2459095.890027710911
(2020-Sep-03.39002771)
0.00026443 TDB
period 1897.86216526646
5.20
2.6211e-05
7.176e-08
d
yr
n .1896871156338458 2.6197e-09 deg/d
Q 3.179405000867029 2.9273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      8149 days (22.31 yr)  
   first obs. used      1998-03-23  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59509  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:35  

Additional Information
 Earth MOID = 1.80611 au 
 Jupiter MOID = 1.9619 au 
 T_jup = 3.249 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457088.5 (2015-Mar-07.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05990276270025818 4.5679e-08  
q 2.821266555144734 1.4585e-07 au
tp 2457214.417439764574
(2015-Jul-10.91743976)
0.00026008 TDB
node 234.5695764046356 0.00011883 deg
peri 74.81486828006257 0.00012878 deg
i 2.464040140100639 5.6639e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      8149 days (22.31 yr)  
   first obs. used      1998-03-23  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59509  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:35  

Additional Information
 Jupiter MOID = 1.9619 au 
 T_jup = 3.249 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.086527989173027E-15 -6.56648189034086E-15 1.398816410745895E-12 3.596629628328518E-15 3.181224151848549E-13 -8.738133864620737E-16
q -6.56648189034086E-15 2.127099388591439E-14 -3.396217987030196E-12 -6.855344495166042E-15 -8.242498584025197E-13 2.842807166750149E-15
tp 1.398816410745895E-12 -3.396217987030196E-12 6.764247332233782E-8 4.162590830462456E-11 1.293491021300919E-8 -8.178210923154859E-13
node 3.596629628328518E-15 -6.855344495166042E-15 4.162590830462456E-11 1.41213391639745E-8 -1.409986043195222E-8 -1.512883404658045E-10
peri 3.181224151848549E-13 -8.242498584025197E-13 1.293491021300919E-8 -1.409986043195222E-8 1.658342351305034E-8 1.509551523369702E-10
i -8.738133864620737E-16 2.842807166750149E-15 -8.178210923154859E-13 -1.512883404658045E-10 1.509551523369702E-10 3.208024153326306E-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 16.20   n/a E2021B55  

216867 (2008 CP197)          Discovered 2008-Feb-09 by Spacewatch at Kitt Peak
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

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