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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04660435603815841 6.4447e-08  
a 3.016370985581112 4.5229e-08 au
q 2.875794958225919 1.8966e-07 au
i 10.87027451510842 6.8132e-06 deg
node 108.9322985617311 3.5701e-05 deg
peri 31.6718466759412 8.7149e-05 deg
M 143.1569873531644 7.6842e-05 deg
tp 2458239.585940884232
(2018-May-01.08594088)
0.00041035 TDB
period 1913.487188759434
5.24
4.3037e-05
1.178e-07
d
yr
n .1881381814912478 4.2315e-09 deg/d
Q 3.156947012936305 4.7337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   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      .65793  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:43:42  

Additional Information
 Earth MOID = 1.89579 au 
 Jupiter MOID = 1.90921 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457455.5 (2016-Mar-08.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04684668798454383 6.499e-08  
q 2.871028235816731 1.9132e-07 au
tp 2458222.148911208509
(2018-Apr-13.64891121)
0.00040595 TDB
node 108.9737893629925 3.5773e-05 deg
peri 28.10801237410589 8.6477e-05 deg
i 10.86323232828526 6.8097e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      120  
   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      .65793  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:43:42  

Additional Information
 Jupiter MOID = 1.90921 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.223700485497371E-15 -1.213966697388826E-14 -3.633682379743727E-12 -8.260280114508499E-15 -8.734395545593055E-13 1.057536888914595E-15
q -1.213966697388826E-14 3.66021358872615E-14 9.435867570183224E-12 2.658138466378845E-14 2.17758603984722E-12 1.003466045887101E-15
tp -3.633682379743727E-12 9.435867570183224E-12 1.647920447420075E-7 -7.312470353517723E-11 3.197362421029878E-8 -7.524739450827728E-11
node -8.260280114508499E-15 2.658138466378845E-14 -7.312470353517723E-11 1.279717168498282E-9 -1.270371041498393E-9 -1.603276692047401E-11
peri -8.734395545593055E-13 2.17758603984722E-12 3.197362421029878E-8 -1.270371041498393E-9 7.478263315529895E-9 9.498349850343378E-13
i 1.057536888914595E-15 1.003466045887101E-15 -7.524739450827728E-11 -1.603276692047401E-11 9.498349850343378E-13 4.63721906088674E-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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