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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07245337270960001 5.0178e-08  
a 2.393325416443188 1.77e-08 au
q 2.219920918030271 1.2513e-07 au
i 4.97459281772671 6.9019e-06 deg
node 169.2071766513293 6.2203e-05 deg
peri 87.73114290264458 8.0389e-05 deg
M 226.0786491213219 5.23e-05 deg
tp 2459703.593118509661
(2022-May-04.09311851)
0.00019857 TDB
period 1352.387214399832
3.70
1.5002e-05
4.107e-08
d
yr
n .2661959505138934 2.953e-09 deg/d
Q 2.566729914856105 1.8982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      6507 days (17.82 yr)  
   first obs. used      2003-03-27  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61624  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 16:52:54  

Additional Information
 Earth MOID = 1.2102 au 
 Jupiter MOID = 2.45654 au 
 T_jup = 3.522 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457535.5 (2016-May-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07295508883744636 4.9962e-08  
q 2.218287426333823 1.2459e-07 au
tp 2457001.165441539702
(2014-Dec-09.66544154)
0.00018838 TDB
node 169.2501453763049 6.2167e-05 deg
peri 88.16112087566863 8.0267e-05 deg
i 4.976077215831245 6.9049e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      6507 days (17.82 yr)  
   first obs. used      2003-03-27  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61624  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 16:52:54  

Additional Information
 Jupiter MOID = 2.45654 au 
 T_jup = 3.522 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.496227404343755E-15 -6.173884901168812E-15 -1.500298537455557E-12 2.936419985896738E-18 -4.769774087016855E-13 -1.231155330996573E-15
q -6.173884901168812E-15 1.552189946071897E-14 4.337724176220717E-12 8.523645512585076E-16 1.368023576445472E-12 3.518285598166734E-15
tp -1.500298537455557E-12 4.337724176220717E-12 3.548880204607563E-8 1.52347934595364E-11 9.581803833778205E-9 7.193861803615536E-13
node 2.936419985896738E-18 8.523645512585076E-16 1.52347934595364E-11 3.864781194439867E-9 -3.845003030429817E-9 2.599824970188393E-11
peri -4.769774087016855E-13 1.368023576445472E-12 9.581803833778205E-9 -3.845003030429817E-9 6.442804359083235E-9 -2.560339747621466E-11
i -1.231155330996573E-15 3.518285598166734E-15 7.193861803615536E-13 2.599824970188393E-11 -2.560339747621466E-11 4.767832071361654E-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

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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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