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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .194161613093273 5.4695e-08  
a 2.711879302185702 2.1238e-08 au
q 2.185336442359066 1.4769e-07 au
i 10.59852579629535 5.1515e-06 deg
node 120.9452613372448 2.8858e-05 deg
peri 232.2414793736318 3.0905e-05 deg
M 105.4013386469259 1.4282e-05 deg
tp 2458522.918398629363
(2019-Feb-08.41839863)		 6.1928e-05 TDB
period 1631.187788509587
4.47		 1.9162e-05
5.246e-08		 d
yr
n .2206980720036724 2.5925e-09 deg/d
Q 3.238422162012338 2.5361e-08 au
   Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      6680 days (18.29 yr)  
   first obs. used      2001-10-17  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:18:50  

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 15.3   n/a MPO453675  

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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