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442773 (2012 XO105)
Classification: Main-belt Asteroid          SPK-ID: 2442773
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1532595818212044 1.2046e-07  
a 2.74349066126787 7.382e-08 au
q 2.323024429791577 3.3155e-07 au
i 8.952188647168974 1.1869e-05 deg
node 317.914104021542 5.6454e-05 deg
peri 146.1823038750176 6.6221e-05 deg
M 228.6775498912178 4.0927e-05 deg
tp 2459605.966518559327
(2022-Jan-26.46651856)
0.0002067 TDB
period 1659.791958654458
4.54
6.699e-05
1.834e-07
d
yr
n .216894652442973 8.754e-09 deg/d
Q 3.163956892744163 8.5133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      3767 days (10.31 yr)  
   first obs. used      2007-11-04  
   last obs. used      2018-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6278  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-06 02:09:47  

Additional Information
 Earth MOID = 1.34564 au 
 Jupiter MOID = 1.9726 au 
 T_jup = 3.314 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456606.5 (2013-Nov-10.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524861997973367 1.1814e-07  
q 2.324855115168588 3.2366e-07 au
tp 2456278.196100596788
(2012-Dec-16.69610060)
0.00013645 TDB
node 318.1713309440443 5.6707e-05 deg
peri 144.692706766586 6.6832e-05 deg
i 8.931597976934588 1.1842e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      3767 days (10.31 yr)  
   first obs. used      2007-11-04  
   last obs. used      2018-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6278  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-06 02:09:47  

Additional Information
 Jupiter MOID = 1.9726 au 
 T_jup = 3.314 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.395595148444873E-14 -3.754554503580118E-14 6.130803528069736E-12 -1.955015689846091E-13 2.060993416015295E-12 -1.727650939092662E-14
q -3.754554503580118E-14 1.047526711471265E-13 -1.505316953569364E-11 5.32820294693286E-13 -5.055213304380846E-12 5.933594687010983E-14
tp 6.130803528069736E-12 -1.505316953569364E-11 1.861874944984892E-8 -1.697951031658484E-10 4.853697275114549E-9 1.736945285151397E-11
node -1.955015689846091E-13 5.32820294693286E-13 -1.697951031658484E-10 3.215737512632023E-9 -3.220681378859093E-9 -1.700977816544056E-10
peri 2.060993416015295E-12 -5.055213304380846E-12 4.853697275114549E-9 -3.220681378859093E-9 4.466547103923677E-9 1.723317978673877E-10
i -1.727650939092662E-14 5.933594687010983E-14 1.736945285151397E-11 -1.700977816544056E-10 1.723317978673877E-10 1.402227632572338E-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 16.9   n/a MPO437722  

442773 (2012 XO105)          Discovered 2007-Nov-04 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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