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442980 (2013 CX154)
Classification: Main-belt Asteroid          SPK-ID: 2442980
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08289831433708315 6.4218e-08  
a 3.091601437381558 7.7777e-08 au
q 2.835312889620524 1.9998e-07 au
i 16.35325343743656 6.5757e-06 deg
node 148.1472176500048 2.491e-05 deg
peri 164.1265533332754 5.4707e-05 deg
M 328.5380017787532 5.4828e-05 deg
tp 2459174.023172444534
(2020-Nov-20.52317244)
0.00030614 TDB
period 1985.517310144855
5.44
7.4926e-05
2.051e-07
d
yr
n .1813129496079467 6.8421e-09 deg/d
Q 3.347889985142593 8.4225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      5439 days (14.89 yr)  
   first obs. used      2004-08-10  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58699  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:44:07  

Additional Information
 Earth MOID = 1.82514 au 
 Jupiter MOID = 2.01064 au 
 T_jup = 3.157 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457520.5 (2016-May-12.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .081907801594747 6.4304e-08  
q 2.836586460610787 1.9922e-07 au
tp 2457198.098914554962
(2015-Jun-24.59891455)
0.00027245 TDB
node 148.2102662859415 2.4928e-05 deg
peri 165.3492668985796 5.5142e-05 deg
i 16.34879405471388 6.5751e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      5439 days (14.89 yr)  
   first obs. used      2004-08-10  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58699  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:44:07  

Additional Information
 Jupiter MOID = 2.01064 au 
 T_jup = 3.157 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.135056511911193E-15 -1.196665498802578E-14 5.864873516034016E-13 1.97060949441784E-14 2.644625984063571E-13 6.189226654033839E-15
q -1.196665498802578E-14 3.968782025206892E-14 5.449677839149729E-12 -7.555069490381212E-14 6.266812989539134E-13 3.600644959923443E-15
tp 5.864873516034016E-13 5.449677839149729E-12 7.422966445064459E-8 -1.082291790804057E-10 1.345393063959629E-8 1.069345854716912E-10
node 1.97060949441784E-14 -7.555069490381212E-14 -1.082291790804057E-10 6.214165524023555E-10 -6.143454322460744E-10 1.539808606968967E-11
peri 2.644625984063571E-13 6.266812989539134E-13 1.345393063959629E-8 -6.143454322460744E-10 3.040599486527031E-9 4.781225155918198E-12
i 6.189226654033839E-15 3.600644959923443E-15 1.069345854716912E-10 1.539808606968967E-11 4.781225155918198E-12 4.323177797077664E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO437723  

442980 (2013 CX154)          Discovered 2013-Jan-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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