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442902 (2013 CZ9)
Classification: Main-belt Asteroid          SPK-ID: 2442902
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280208850743562 6.7717e-08  
a 3.184712772078768 4.8423e-08 au
q 2.777003024289638 2.165e-07 au
i 17.12385791000496 7.892e-06 deg
node 132.0715997415835 2.5594e-05 deg
peri 287.9453479016759 4.3146e-05 deg
M 90.62967372133515 3.1512e-05 deg
tp 2458077.897182286643
(2017-Nov-20.39718229)
0.00018179 TDB
period 2075.887583522428
5.68
4.7345e-05
1.296e-07
d
yr
n .1734197953962138 3.9552e-09 deg/d
Q 3.592422519867899 5.4622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      8499 days (23.27 yr)  
   first obs. used      1995-12-26  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64403  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:19:53  

Additional Information
 Earth MOID = 1.84788 au 
 Jupiter MOID = 1.79517 au 
 T_jup = 3.117 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457579.5 (2016-Jul-10.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284322406202816 6.7745e-08  
q 2.776923969000683 2.1679e-07 au
tp 2458079.196956336768
(2017-Nov-21.69695634)
0.00018112 TDB
node 132.0873082121632 2.5594e-05 deg
peri 288.2319846987143 4.3033e-05 deg
i 17.12233578701015 7.8912e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      8499 days (23.27 yr)  
   first obs. used      1995-12-26  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64403  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:19:53  

Additional Information
 Jupiter MOID = 1.79517 au 
 T_jup = 3.117 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.589430459081073E-15 -1.44073009731945E-14 1.37194234223433E-12 -1.07307449896005E-14 2.873723417190687E-13 -2.313046986675761E-14
q -1.44073009731945E-14 4.699949812405255E-14 -4.674614800220554E-12 4.433048333954978E-14 -1.060923977527646E-12 7.766312216950415E-14
tp 1.37194234223433E-12 -4.674614800220554E-12 3.2803406385675E-8 4.237949250924867E-12 6.326040033457909E-9 -1.056624283153E-11
node -1.07307449896005E-14 4.433048333954978E-14 4.237949250924867E-12 6.550465168973145E-10 -6.250446608772366E-10 -1.248834703062533E-11
peri 2.873723417190687E-13 -1.060923977527646E-12 6.326040033457909E-9 -6.250446608772366E-10 1.851831624005564E-9 9.721910708713627E-12
i -2.313046986675761E-14 7.766312216950415E-14 -1.056624283153E-11 -1.248834703062533E-11 9.721910708713627E-12 6.227077643184753E-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 15.8   n/a MPO437722  

442902 (2013 CZ9)          Discovered 2013-Jan-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

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