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74472 (1999 CX55)
Classification: Main-belt Asteroid          SPK-ID: 2074472
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06676544048771135 4.7763e-08  
a 2.997626016616017 2.0013e-08 au
q 2.797488195199225 1.4269e-07 au
i 11.83086348120357 5.4399e-06 deg
node 40.76864781332091 1.926e-05 deg
peri 179.8653136917316 3.5367e-05 deg
M 339.4535572203463 3.0244e-05 deg
tp 2459108.692895367082
(2020-Sep-16.19289537)
0.00015942 TDB
period 1895.67813513293
5.19
1.8984e-05
5.198e-08
d
yr
n .1899056560963899 1.9018e-09 deg/d
Q 3.19776383803281 2.1349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1052  
   data-arc span      7742 days (21.20 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52006  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:05:32  

Additional Information
 Earth MOID = 1.78928 au 
 Jupiter MOID = 1.77246 au 
 T_jup = 3.218 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456879.5 (2014-Aug-10.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06722847036925006 4.8001e-08  
q 2.79786973278772 1.4336e-07 au
tp 2457203.750586700778
(2015-Jun-30.25058670)
0.00015507 TDB
node 40.8110768421834 1.9262e-05 deg
peri 178.2384083859172 3.496e-05 deg
i 11.82874554829745 5.4385e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1052  
   data-arc span      7742 days (21.20 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52006  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:05:32  

Additional Information
 Jupiter MOID = 1.77246 au 
 T_jup = 3.218 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.304075744820606E-15 -6.823424694550813E-15 -1.535329220790288E-12 -6.689581638925986E-15 -2.718337811826075E-13 5.078495475228218E-16
q -6.823424694550813E-15 2.055336854826059E-14 4.773838896087595E-12 2.032566181510929E-14 8.345220386342637E-13 -1.188584092816557E-15
tp -1.535329220790288E-12 4.773838896087595E-12 2.404717837947289E-8 8.165321417764535E-12 4.539113134738114E-9 -5.056503114049961E-13
node -6.689581638925986E-15 2.032566181510929E-14 8.165321417764535E-12 3.710258077529907E-10 -3.613664380531117E-10 -2.38345778944451E-11
peri -2.718337811826075E-13 8.345220386342637E-13 4.539113134738114E-9 -3.613664380531117E-10 1.222187618462331E-9 2.328001434894824E-11
i 5.078495475228218E-16 -1.188584092816557E-15 -5.056503114049961E-13 -2.38345778944451E-11 2.328001434894824E-11 2.95773377259637E-11

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 5.833 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.267   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74472 (1999 CX55)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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