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74450 (1999 CP25)
Classification: Main-belt Asteroid          SPK-ID: 2074450
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 .0749775149824521 3.8607e-08  
a 2.960512112239511 1.9378e-08 au
q 2.738540270988342 1.1047e-07 au
i 9.415291644991862 5.5963e-06 deg
node 338.5060629948865 2.9717e-05 deg
peri 141.1041525831627 5.0644e-05 deg
M 80.28167426356205 4.091e-05 deg
tp 2458585.581680242921
(2019-Apr-12.08168024)
0.00021069 TDB
period 1860.58146498253
5.09
1.8267e-05
5.001e-08
d
yr
n .1934878997643784 1.8997e-09 deg/d
Q 3.182483953490679 2.0831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      7767 days (21.26 yr)  
   first obs. used      1999-01-22  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59129  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:05:10  

Additional Information
 Earth MOID = 1.761 au 
 Jupiter MOID = 1.86674 au 
 T_jup = 3.242 
[ 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 14.7   n/a MPO432297  
diameter diameter 4.672 km 0.919 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.141   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74450 (1999 CP25)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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