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442779 (2012 XO125)
Classification: Main-belt Asteroid          SPK-ID: 2442779
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1354289441829048 1.9161e-07  
a 2.451676014994668 8.6292e-08 au
q 2.119648120805389 5.4041e-07 au
i 6.787434179773984 1.327e-05 deg
node 146.1816242996607 6.835e-05 deg
peri 237.1327150220891 0.00013228 deg
M 22.07542904097292 8.4836e-05 deg
tp 2458914.519553412664
(2020-Mar-06.01955341)
0.00033342 TDB
period 1402.145376834628
3.84
7.4027e-05
2.027e-07
d
yr
n .2567494112577024 1.3555e-08 deg/d
Q 2.783703909183948 9.7978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      4978 days (13.63 yr)  
   first obs. used      2006-01-31  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5392  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:58  

Additional Information
 Earth MOID = 1.13104 au 
 Jupiter MOID = 2.68959 au 
 T_jup = 3.473 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457583.5 (2016-Jul-14.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .136705601239751 1.898e-07  
q 2.116376745561 5.3592e-07 au
tp 2457509.725624840202
(2016-May-01.22562484)
0.00038002 TDB
node 146.3026258280909 6.8339e-05 deg
peri 236.4532139856524 0.00013102 deg
i 6.788280043393923 1.3266e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      4978 days (13.63 yr)  
   first obs. used      2006-01-31  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5392  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:58  

Additional Information
 Jupiter MOID = 2.68959 au 
 T_jup = 3.473 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.602463693136319E-14 -1.016017561677991E-13 5.314471349631747E-11 4.988619331123336E-13 1.622895572192515E-11 -2.28193645721859E-13
q -1.016017561677991E-13 2.872149750648527E-13 -1.51848380077428E-10 -1.426400242722403E-12 -4.629494627857388E-11 6.491771566925776E-13
tp 5.314471349631747E-11 -1.51848380077428E-10 1.444163761503763E-7 1.057305682210638E-9 4.251198623911203E-8 -4.263399418799941E-10
node 4.988619331123336E-13 -1.426400242722403E-12 1.057305682210638E-9 4.670241908860525E-9 -4.311516002780138E-9 -4.431756786841188E-10
peri 1.622895572192515E-11 -4.629494627857388E-11 4.251198623911203E-8 -4.311516002780138E-9 1.716503451998424E-8 3.080348965139418E-10
i -2.28193645721859E-13 6.491771566925776E-13 -4.263399418799941E-10 -4.431756786841188E-10 3.080348965139418E-10 1.75980534585817E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO343139  

442779 (2012 XO125)          Discovered 2006-Jan-31 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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