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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ show covariance matrix ]

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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1964-Dec-07 13:20 00:02 Jupiter 1.97066838567223 1.97066792245295 1.97066884889152 3.54470542448259 3.42130192648834 2438737.055286009 1.98737735565303 87.4387695071335 17.8380864213899 -89.0940635179588 2980346.07957763 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 23:56:36 2021-Apr-13 23:56
2048-May-09 15:05 00:01 Jupiter 1.97039564792194 1.97039520761637 1.97039608822752 3.47186980479905 3.34576318338562 2469206.128483505 1.38878467541687 64.7594754239181 16.8754204060156 89.35344641808 3115547.2483671 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 23:56:36 2021-Apr-13 23:56
2131-Oct-13 21:00 00:05 Jupiter 1.98461051347659 1.98460991172884 1.98461111522581 3.42167964308702 3.29458660649755 2499677.375251942 4.71006036432786 128.219923233868 17.9464437091876 80.1097970767044 3262244.11046968 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 23:56:36 2021-Apr-13 23:56
2178-Jan-22 10:04 00:07 Jupiter 1.99319929147617 1.99319843207652 1.99320015088761 3.7309354598353 3.61524091737808 2516579.919705656 6.54169480075425 300.487962195181 19.3758607076035 -84.7635524719006 2933130.62178458 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 23:56:36 2021-Apr-13 23:56
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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