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392989 (2012 XZ79)
Classification: Main-belt Asteroid          SPK-ID: 2392989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09302082979643556 5.8642e-08  
a 2.298155541240691 1.7305e-08 au
q 2.084379205793206 1.3391e-07 au
i 7.651027897211605 5.1343e-06 deg
node 96.74414465178133 4.7891e-05 deg
peri 324.5798344078974 5.9468e-05 deg
M 303.0277982914529 3.2725e-05 deg
tp 2458801.885435034328
(2019-Nov-14.38543503)
0.0001153 TDB
period 1272.528609360054
3.48
1.4373e-05
3.935e-08
d
yr
n .2829013016697844 3.1953e-09 deg/d
Q 2.511931876688177 1.8915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      7118 days (19.49 yr)  
   first obs. used      2000-05-05  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:06:21  

Additional Information
 Earth MOID = 1.10267 au 
 Jupiter MOID = 2.72843 au 
 T_jup = 3.576 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457366.5 (2015-Dec-10.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09252612510157225 5.8771e-08  
q 2.085957277665296 1.341e-07 au
tp 2457526.652718061259
(2016-May-18.15271806)
0.00011931 TDB
node 96.80042178994067 4.7936e-05 deg
peri 323.8866305148118 5.9629e-05 deg
i 7.647098489681748 5.1307e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      7118 days (19.49 yr)  
   first obs. used      2000-05-05  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:06:21  

Additional Information
 Jupiter MOID = 2.72843 au 
 T_jup = 3.576 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.453985770372043E-15 -7.827607879346012E-15 -2.40813840152482E-12 -8.152280827762176E-14 -7.499446979737799E-13 -3.699251410924794E-15
q -7.827607879346012E-15 1.798278567401796E-14 5.029088912828524E-12 1.79241509571975E-13 1.56577267023357E-12 9.120938599804001E-15
tp -2.40813840152482E-12 5.029088912828524E-12 1.423548543401353E-8 8.761790893658402E-11 4.280564872730347E-9 -1.209831563930072E-11
node -8.152280827762176E-14 1.79241509571975E-13 8.761790893658402E-11 2.297879650628104E-9 -2.246677550815854E-9 -3.398208747442426E-11
peri -7.499446979737799E-13 1.56577267023357E-12 4.280564872730347E-9 -2.246677550815854E-9 3.5556438002766E-9 3.023863940734014E-11
i -3.699251410924794E-15 9.120938599804001E-15 -1.209831563930072E-11 -3.398208747442426E-11 3.023863940734014E-11 2.632412753136277E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO402552  

392989 (2012 XZ79)          Discovered 2005-Oct-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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