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74495 (1999 CD127)
Classification: Main-belt Asteroid          SPK-ID: 2074495
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181529583556178 3.6304e-08  
a 3.096788747307009 2.483e-08 au
q 2.421215120679597 1.2311e-07 au
i 18.77445614144112 5.1285e-06 deg
node 112.4239847280276 1.5214e-05 deg
peri 41.04181094106405 2.1684e-05 deg
M 328.362926575457 1.6298e-05 deg
tp 2459175.428107998888
(2020-Nov-21.92810800)
9.1347e-05 TDB
period 1990.516570055006
5.45
2.394e-05
6.554e-08
d
yr
n .1808575750716066 2.1752e-09 deg/d
Q 3.772362373934421 3.0247e-08 au
  Orbit Determination Parameters
   # obs. used (total)      970  
   data-arc span      7808 days (21.38 yr)  
   first obs. used      1998-12-01  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52114  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:05:32  

Additional Information
 Earth MOID = 1.46357 au 
 Jupiter MOID = 1.43031 au 
 T_jup = 3.106 
[ 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 14.1   n/a MPO337819  
diameter diameter 4.017 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.331   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74495 (1999 CD127)          Discovered 1999-Feb-11 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CD127 = 1999 LY = 2001 PC17 = 2002 TS231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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