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215728 (2004 CP)
Classification: Main-belt Asteroid          SPK-ID: 2215728
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861828806866952 3.1416e-08  
a 2.581953169383813 1.8483e-08 au
q 2.101237690509792 8.2052e-08 au
i 27.0665736181511 1.0277e-05 deg
node 47.27642965896441 7.5597e-06 deg
peri 83.76924085052373 4.1289e-05 deg
M 82.03346444351145 3.7041e-05 deg
tp 2459051.189709715200
(2020-Jul-20.68970972)
0.00015371 TDB
period 1515.377966124172
4.15
1.6272e-05
4.455e-08
d
yr
n .2375644941708893 2.551e-09 deg/d
Q 3.062668648257834 2.1925e-08 au
  Orbit Determination Parameters
   # obs. used (total)      434  
   data-arc span      7770 days (21.27 yr)  
   first obs. used      2000-03-04  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:40:45  

Additional Information
 Earth MOID = 1.28351 au 
 Jupiter MOID = 2.3825 au 
 T_jup = 3.248 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458468.5 (2018-Dec-16.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1864988960440611 3.1289e-08  
q 2.100346858298286 8.1625e-08 au
tp 2459051.617657712746
(2020-Jul-21.11765771)
0.00015346 TDB
node 47.28360128564876 7.5594e-06 deg
peri 83.93449095915095 4.1238e-05 deg
i 27.06842061738503 1.0278e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      434  
   data-arc span      7770 days (21.27 yr)  
   first obs. used      2000-03-04  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:40:45  

Additional Information
 Jupiter MOID = 2.3825 au 
 T_jup = 3.248 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.790096472454002E-16 -2.510685288409653E-15 -1.444004987382605E-12 8.726287291224521E-15 -4.037372213916909E-13 -9.313879400088921E-15
q -2.510685288409653E-15 6.662720341714399E-15 5.072021028671004E-12 -2.958664831412593E-14 1.380574444490207E-12 2.37323624247754E-14
tp -1.444004987382605E-12 5.072021028671004E-12 2.354876457419566E-8 -1.269668779899332E-10 6.222043559704859E-9 3.436498160352374E-11
node 8.726287291224521E-15 -2.958664831412593E-14 -1.269668779899332E-10 5.714411686757505E-11 -8.332263092883388E-11 -2.442029132668552E-12
peri -4.037372213916909E-13 1.380574444490207E-12 6.222043559704859E-9 -8.332263092883388E-11 1.700569015438648E-9 1.125479847578293E-11
i -9.313879400088921E-15 2.37323624247754E-14 3.436498160352374E-11 -2.442029132668552E-12 1.125479847578293E-11 1.05636718830886E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.85   n/a MPO638135  
diameter diameter 5.084 km 0.322 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215728 (2004 CP)          Discovered 2004-Feb-09 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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