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442960 (2013 CQ123)
Classification: Main-belt Asteroid          SPK-ID: 2442960
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1562072476401522 1.6434e-07  
a 3.177073963444864 8.8025e-08 au
q 2.680791984065953 4.6197e-07 au
i 9.910710522511005 1.3398e-05 deg
node 342.0545127293425 4.7029e-05 deg
peri 155.3438695676036 6.9909e-05 deg
M 116.4184588416101 5.6172e-05 deg
tp 2458331.603751721870
(2018-Aug-01.10375172)
0.00030294 TDB
period 2068.423270469027
5.66
8.5962e-05
2.354e-07
d
yr
n .174045614908581 7.2332e-09 deg/d
Q 3.673355942823776 1.0177e-07 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      6243 days (17.09 yr)  
   first obs. used      2002-04-05  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66951  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:13:45  

Additional Information
 Earth MOID = 1.69757 au 
 Jupiter MOID = 1.35951 au 
 T_jup = 3.158 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457513.5 (2016-May-05.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1570991460018383 1.629e-07  
q 2.675162879912752 4.591e-07 au
tp 2458328.505692216479
(2018-Jul-29.00569222)
0.00030342 TDB
node 342.1583244337519 4.7032e-05 deg
peri 154.4696034761918 6.985e-05 deg
i 9.912677941848603 1.3406e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      6243 days (17.09 yr)  
   first obs. used      2002-04-05  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66951  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:13:45  

Additional Information
 Jupiter MOID = 1.35951 au 
 T_jup = 3.158 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.653662605297685E-14 -7.447681517598092E-14 3.931307443958644E-11 6.172519480561831E-14 5.913053766158404E-12 -1.700086630830865E-14
q -7.447681517598092E-14 2.107737718379091E-13 -1.097493442489343E-10 -1.767711899090099E-13 -1.665160292815696E-11 4.973793962968699E-14
tp 3.931307443958644E-11 -1.097493442489343E-10 9.206541230399634E-8 1.31623825677743E-10 1.55496605512915E-8 -2.575731950644461E-11
node 6.172519480561831E-14 -1.767711899090099E-13 1.31623825677743E-10 2.211966074505371E-9 -2.155502521099155E-9 3.106296634321051E-10
peri 5.913053766158404E-12 -1.665160292815696E-11 1.55496605512915E-8 -2.155502521099155E-9 4.879013703038962E-9 -3.104033574029943E-10
i -1.700086630830865E-14 4.973793962968699E-14 -2.575731950644461E-11 3.106296634321051E-10 -3.104033574029943E-10 1.797321567313805E-10

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 MPO262691  

442960 (2013 CQ123)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
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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