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JPL Small-Body Database Browser
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359631 (2011 QU42)
Classification: Main-belt Asteroid          SPK-ID: 2359631
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1749838495870135 4.5053e-08  
a 2.336795509248077 1.7366e-08 au
q 1.927894035342203 1.0388e-07 au
i 6.918350116399435 5.2468e-06 deg
node 224.3233877382291 4.3473e-05 deg
peri 227.0009579104896 4.6668e-05 deg
M 316.1091007003156 1.6875e-05 deg
tp 2458759.574830636247
(2019-Oct-03.07483064)
6.151e-05 TDB
period 1304.756565547535
3.57
1.4545e-05
3.982e-08
d
yr
n .2759135378245272 3.0758e-09 deg/d
Q 2.745696983153952 2.0405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      7629 days (20.89 yr)  
   first obs. used      1997-09-28  
   last obs. used      2018-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50494  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:26:54  

Additional Information
 Earth MOID = .951713 au 
 Jupiter MOID = 2.48245 au 
 T_jup = 3.537 
[ 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 17.7   n/a MPO455595  

359631 (2011 QU42)          Discovered 1997-Sep-28 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2011 QU42 = 1997 ST13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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