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437790 (2015 CP40)
Classification: Main-belt Asteroid          SPK-ID: 2437790
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03199035869313616 4.7455e-08  
a 3.068476940094037 5.3728e-08 au
q 2.970315262138812 1.5239e-07 au
i 9.524084616377268 5.9201e-06 deg
node 149.8932552676531 3.028e-05 deg
peri 85.32977286477282 0.00010847 deg
M 278.5512401731078 0.00010638 deg
tp 2459444.685827820078
(2021-Aug-18.18582782)
0.00058564 TDB
period 1963.282170963529
5.38
5.1564e-05
1.412e-07
d
yr
n .1833664082139152 4.816e-09 deg/d
Q 3.166638618049262 5.5446e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      5849 days (16.01 yr)  
   first obs. used      2004-01-30  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51224  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:14:55  

Additional Information
 Earth MOID = 1.97937 au 
 Jupiter MOID = 1.84892 au 
 T_jup = 3.210 
[ 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 15.9   n/a MPO419197  
diameter diameter 3.593 km 1.455 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 1.27 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.114   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

437790 (2015 CP40)          Discovered 2004-Jan-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Alternate Designations
 2015 CP40 = 2010 MR45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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