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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09320510436198022 5.8613e-08  
a 2.298555903964406 1.6291e-08 au
q 2.084318761053558 1.3368e-07 au
i 7.651045830423418 5.1022e-06 deg
node 96.74360292229336 4.1783e-05 deg
peri 324.4871362103911 5.4303e-05 deg
M 56.251047040846 3.0952e-05 deg
tp 2458801.611742400221
(2019-Nov-14.11174240)
0.00011002 TDB
period 1272.861155525322
3.48
1.3532e-05
3.705e-08
d
yr
n .2828273912180346 3.0067e-09 deg/d
Q 2.512793046875255 1.7809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      7224 days (19.78 yr)  
   first obs. used      2000-05-05  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:20:54  

Additional Information
 Earth MOID = 1.10291 au 
 Jupiter MOID = 2.72708 au 
 T_jup = 3.575 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457566.5 (2016-Jun-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09240085977553247 5.8722e-08  
q 2.085970226037693 1.3377e-07 au
tp 2457526.690937098723
(2016-May-18.19093710)
0.00011596 TDB
node 96.79698802452867 4.1825e-05 deg
peri 323.9015074634183 5.4564e-05 deg
i 7.647356884950537 5.0989e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      7224 days (19.78 yr)  
   first obs. used      2000-05-05  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:20:54  

Additional Information
 Jupiter MOID = 2.72708 au 
 T_jup = 3.575 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.448226520997522E-15 -7.807970225642086E-15 -2.381959901763917E-12 -6.006056244073738E-14 -7.646317624723897E-13 -3.680834675538189E-15
q -7.807970225642086E-15 1.789321808766378E-14 4.8109212711206E-12 1.312427943888793E-13 1.558776222782326E-12 9.319818621805811E-15
tp -2.381959901763917E-12 4.8109212711206E-12 1.344624579349718E-8 7.83472207935884E-11 4.095916245129605E-9 -1.106323167412877E-11
node -6.006056244073738E-14 1.312427943888793E-13 7.83472207935884E-11 1.749318296807812E-9 -1.706954869746417E-9 -4.328241536055601E-11
peri -7.646317624723897E-13 1.558776222782326E-12 4.095916245129605E-9 -1.706954869746417E-9 2.977199861620538E-9 3.970161549468662E-11
i -3.680834675538189E-15 9.319818621805811E-15 -1.106323167412877E-11 -4.328241536055601E-11 3.970161549468662E-11 2.599912419999804E-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 17.2   n/a MPO494991  

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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