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120397 (2005 QU112)
Classification: Main-belt Asteroid          SPK-ID: 2120397
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1941616124238092 5.4501e-08  
a 2.711879302614697 2.1126e-08 au
q 2.185336444520273 1.47e-07 au
i 10.59852564942646 5.142e-06 deg
node 120.9452604981174 2.8699e-05 deg
peri 232.2414800800874 3.076e-05 deg
M 105.4013386013696 1.426e-05 deg
tp 2458522.918398722459
(2019-Feb-08.41839872)		 6.1855e-05 TDB
period 1631.187788896647
4.47		 1.9061e-05
5.219e-08		 d
yr
n .2206980719513036 2.579e-09 deg/d
Q 3.238422160709122 2.5228e-08 au
   Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      6700 days (18.34 yr)  
   first obs. used      2001-10-17  
   last obs. used      2020-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56858  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:57:27  

Additional Information
 Earth MOID = 1.19697 au 
 Jupiter MOID = 2.22912 au 
 T_jup = 3.311 
[ show covariance matrix ]

[ 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 15.40   n/a E2021B55  

120397 (2005 QU112)          Discovered 2005-Aug-27 by NEAT at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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Alternate Designations
 2005 QU112 = 2001 XL74 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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