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JPL Small-Body Database Browser
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442940 (2013 CZ74)
Classification: Main-belt Asteroid          SPK-ID: 2442940
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04645226404695489 6.5014e-08  
a 3.011304129396914 4.4207e-08 au
q 2.871422234852483 1.9135e-07 au
i 10.86514041834718 6.859e-06 deg
node 108.9536549655625 3.5766e-05 deg
peri 29.16031803002657 8.7282e-05 deg
M 70.4024006333441 7.7238e-05 deg
tp 2458227.236671966664
(2018-Apr-18.73667197)
0.00041023 TDB
period 1908.667842050232
5.23
4.203e-05
1.151e-07
d
yr
n .1886132264969158 4.1534e-09 deg/d
Q 3.151186023941346 4.626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      5893 days (16.13 yr)  
   first obs. used      2003-03-23  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67228  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:13:44  

Additional Information
 Earth MOID = 1.89129 au 
 Jupiter MOID = 1.91753 au 
 T_jup = 3.221 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457444.5 (2016-Feb-26.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04685249336788527 6.5173e-08  
q 2.871003223814349 1.9213e-07 au
tp 2458222.118527854588
(2018-Apr-13.61852785)
0.00040593 TDB
node 108.9741674679656 3.5775e-05 deg
peri 28.10321398548604 8.6469e-05 deg
i 10.86327445281782 6.8575e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      5893 days (16.13 yr)  
   first obs. used      2003-03-23  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67228  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:13:44  

Additional Information
 Jupiter MOID = 1.91753 au 
 T_jup = 3.221 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.247508406516721E-15 -1.222562644121283E-14 -3.663108817544617E-12 -8.289709475546889E-15 -8.767205935724194E-13 1.036668592592396E-15
q -1.222562644121283E-14 3.691228614626154E-14 9.544617423114506E-12 2.673635746563101E-14 2.189896016067764E-12 1.132515485143944E-15
tp -3.663108817544617E-12 9.544617423114506E-12 1.647813652548759E-7 -7.274385722942379E-11 3.196816416356268E-8 -7.444603427912375E-11
node -8.289709475546889E-15 2.673635746563101E-14 -7.274385722942379E-11 1.279858862582973E-9 -1.270445043243669E-9 -1.571009829874734E-11
peri -8.767205935724194E-13 2.189896016067764E-12 3.196816416356268E-8 -1.270445043243669E-9 7.476942456198682E-9 7.757468626692928E-13
i 1.036668592592396E-15 1.132515485143944E-15 -7.444603427912375E-11 -1.571009829874734E-11 7.757468626692928E-13 4.702586423558387E-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 16.6   n/a MPO437723  

442940 (2013 CZ74)          Discovered 2013-Feb-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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