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JPL Small-Body Database Browser
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34729 (2001 QJ42)
Classification: Main-belt Asteroid          SPK-ID: 2034729
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06710370284806756 4.1081e-08  
a 2.899437864624619 1.8885e-08 au
q 2.704874847730413 1.2288e-07 au
i 1.26531126139714 5.1251e-06 deg
node 345.1491445077025 0.00019394 deg
peri 60.1896078664486 0.00019743 deg
M 129.280848536744 3.8171e-05 deg
tp 2457952.908962900937
(2017-Jul-18.40896290)
0.00018972 TDB
period 1803.304789490162
4.94
1.7618e-05
4.824e-08
d
yr
n .1996334741071589 1.9504e-09 deg/d
Q 3.094000881518825 2.0152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      9126 days (24.99 yr)  
   first obs. used      1994-05-02  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56192  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:52:33  

Additional Information
 Earth MOID = 1.71364 au 
 Jupiter MOID = 2.17549 au 
 T_jup = 3.284 
[ 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 14.6   n/a MPO431892  

34729 (2001 QJ42)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 QJ42 = 2000 JO38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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