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JPL Small-Body Database Browser
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49526 (1999 CP40)
Classification: Main-belt Asteroid          SPK-ID: 2049526
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952774398670402 4.165e-08  
a 3.132436957034126 2.2469e-08 au
q 2.5207426875196 1.3147e-07 au
i 16.54563340623591 5.5176e-06 deg
node 2.063454560060941 1.5615e-05 deg
peri 238.9951684865822 2.1179e-05 deg
M 158.1705819104322 1.5926e-05 deg
tp 2457710.796810834648
(2016-Nov-18.29681083)
8.755e-05 TDB
period 2024.985583481637
5.54
2.1788e-05
5.965e-08
d
yr
n .1777790434344909 1.9128e-09 deg/d
Q 3.744131226548652 2.6857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1249  
   data-arc span      10638 days (29.13 yr)  
   first obs. used      1990-10-22  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52974  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:20:50  

Additional Information
 Earth MOID = 1.5555 au 
 Jupiter MOID = 1.49188 au 
 T_jup = 3.120 
[ 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 13.4   n/a MPO365829  
diameter diameter 4.784 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.073 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.405   0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49526 (1999 CP40)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CP40 = 1990 UY6 = 2001 QG27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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