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390244 (2012 XX79)
Classification: Main-belt Asteroid          SPK-ID: 2390244
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07245337936238166 4.8149e-08  
a 2.393325415669561 1.7569e-08 au
q 2.219920901390425 1.2102e-07 au
i 4.974592538662371 6.6493e-06 deg
node 169.2071743135356 5.9976e-05 deg
peri 87.73113929762657 7.7619e-05 deg
M 226.0786542849857 5.1174e-05 deg
tp 2459703.593098867748
(2022-May-04.09309887)
0.00019452 TDB
period 1352.387213744107
3.70
1.4891e-05
4.077e-08
d
yr
n .2661959506429626 2.9311e-09 deg/d
Q 2.566729929948698 1.8842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6531 days (17.88 yr)  
   first obs. used      2003-03-27  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59675  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:22:48  

Additional Information
 Earth MOID = 1.2102 au 
 Jupiter MOID = 2.45654 au 
 T_jup = 3.522 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457656.5 (2016-Sep-25.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07304923549927049 4.7977e-08  
q 2.217861934510414 1.2057e-07 au
tp 2457001.187672200666
(2014-Dec-09.68767220)
0.00018297 TDB
node 169.2502730429993 5.9945e-05 deg
peri 88.14402242007233 7.7445e-05 deg
i 4.976088595490783 6.652e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6531 days (17.88 yr)  
   first obs. used      2003-03-27  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59675  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:22:48  

Additional Information
 Jupiter MOID = 2.45654 au 
 T_jup = 3.522 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.301748224915265E-15 -5.736112652681883E-15 -8.906320922054164E-13 3.342432750431697E-15 -3.007854861038927E-13 -9.301310794966064E-16
q -5.736112652681883E-15 1.453598326460982E-14 2.964648004829739E-12 -6.885875433398887E-15 9.714926505317362E-13 2.814080500645895E-15
tp -8.906320922054164E-13 2.964648004829739E-12 3.347980647986799E-8 2.281685292662946E-11 8.986483682636935E-9 1.808028535645243E-12
node 3.342432750431697E-15 -6.885875433398887E-15 2.281685292662946E-11 3.593351837002703E-9 -3.572808010297289E-9 -4.528860625398916E-12
peri -3.007854861038927E-13 9.714926505317362E-13 8.986483682636935E-9 -3.572808010297289E-9 5.997770145389939E-9 5.07910305999005E-12
i -9.301310794966064E-16 2.814080500645895E-15 1.808028535645243E-12 -4.528860625398916E-12 5.07910305999005E-12 4.424910535738821E-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 17.5   n/a MPO494979  

390244 (2012 XX79)          Discovered 2004-Sep-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 XX79 = 2004 RP354 = 2010 JX8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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