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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1749477668089623 3.9501e-08  
a 2.336621220886764 1.4625e-08 au
q 1.927834556414193 8.5932e-08 au
i 6.918053688825393 3.753e-06 deg
node 224.3181876216409 4.1109e-05 deg
peri 226.9338542646387 4.4147e-05 deg
M 66.53283745598982 1.4465e-05 deg
tp 2458759.390431193753
(2019-Oct-02.89043119)
5.2578e-05 TDB
period 1304.610596649586
3.57
1.2249e-05
3.354e-08
d
yr
n .2759444089481781 2.5908e-09 deg/d
Q 2.745407885359334 1.7184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      8243 days (22.57 yr)  
   first obs. used      1997-09-28  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48743  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 23:23:49  

Additional Information
 Earth MOID = .951643 au 
 Jupiter MOID = 2.48212 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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