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120396 (2005 QA112)
Classification: Main-belt Asteroid          SPK-ID: 2120396
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 .213371766626221 3.8264e-08  
a 2.4122676274437 1.0586e-08 au
q 1.897557822200795 9.1759e-08 au
i 1.368134789226424 5.5095e-06 deg
node 308.6451458662164 0.00018614 deg
peri 89.71850078262794 0.00018672 deg
M 304.5466026918552 1.6097e-05 deg
tp 2459211.295976465185
(2020-Dec-27.79597647)
6.2093e-05 TDB
period 1368.474344426156
3.75
9.0081e-06
2.466e-08
d
yr
n .263066678207226 1.7317e-09 deg/d
Q 2.926977432686606 1.2845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      7897 days (21.62 yr)  
   first obs. used      1998-12-14  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:09:30  

Additional Information
 Earth MOID = .905746 au 
 Jupiter MOID = 2.49846 au 
 T_jup = 3.487 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO436581  

120396 (2005 QA112)          Discovered 2005-Aug-27 by NEAT at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2005 QA112 = 1998 XG54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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