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JPL Small-Body Database Browser
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95417 (2002 CP221)
Classification: Main-belt Asteroid          SPK-ID: 2095417
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .027590625597215 4.4336e-08  
a 2.904739432394333 1.9714e-08 au
q 2.824595854257674 1.2912e-07 au
i 3.056578779154752 3.6024e-06 deg
node 97.5540118245394 0.00010131 deg
peri 227.4338527764631 0.00014055 deg
M 100.3987160108233 9.7523e-05 deg
tp 2458496.204775701658
(2019-Jan-12.70477570)
0.00049094 TDB
period 1808.25301319423
4.95
1.8408e-05
5.04e-08
d
yr
n .1990871838029291 2.0267e-09 deg/d
Q 2.984883010530992 2.0258e-08 au
  Orbit Determination Parameters
   # obs. used (total)      885  
   data-arc span      7427 days (20.33 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57248  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 23:44:34  

Additional Information
 Earth MOID = 1.81292 au 
 Jupiter MOID = 2.09814 au 
 T_jup = 3.283 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457116.5 (2015-Apr-04.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02993399472440878 4.3507e-08  
q 2.816502486782547 1.2663e-07 au
tp 2456669.939594548928
(2014-Jan-12.43959455)
0.00046603 TDB
node 97.6595922133409 0.00010139 deg
peri 223.7459496102089 0.00013669 deg
i 3.055898281789565 3.5998e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      885  
   data-arc span      7427 days (20.33 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57248  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 23:44:34  

Additional Information
 Jupiter MOID = 2.09814 au 
 T_jup = 3.283 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.892831810199648E-15 -5.446827670624925E-15 9.829091825968554E-12 -8.796033803985903E-15 1.898595815369772E-12 -4.125149358726724E-16
q -5.446827670624925E-15 1.603545393498572E-14 -3.064957286876688E-11 2.510858230335129E-14 -5.915070971287714E-12 1.513582887190195E-15
tp 9.829091825968554E-12 -3.064957286876688E-11 2.171867733357722E-7 -9.607803850164624E-11 4.276874685627775E-8 -8.321983161360942E-12
node -8.796033803985903E-15 2.510858230335129E-14 -9.607803850164624E-11 1.027985212777854E-8 -1.0283852340315E-8 -6.718559172148841E-11
peri 1.898595815369772E-12 -5.915070971287714E-12 4.276874685627775E-8 -1.0283852340315E-8 1.868310846148999E-8 6.546228238843455E-11
i -4.125149358726724E-16 1.513582887190195E-15 -8.321983161360942E-12 -6.718559172148841E-11 6.546228238843455E-11 1.295831495269657E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO453400  

95417 (2002 CP221)          Discovered 2002-Feb-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 2002 CP221 = 2000 WH178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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