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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06647856250544683 4.1118e-08  
a 2.901067404361857 1.8538e-08 au
q 2.708208613588473 1.2305e-07 au
i 1.265099979198092 5.1243e-06 deg
node 345.1300780918777 0.00019394 deg
peri 59.97541156901796 0.0001975 deg
M 209.3755624683855 3.8708e-05 deg
tp 2459755.641074328663
(2022-Jun-25.14107433)
0.00019627 TDB
period 1804.825240932501
4.94
1.73e-05
4.736e-08
d
yr
n .1994652954953126 1.9119e-09 deg/d
Q 3.093926195135241 1.9771e-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 = 1.71746 au 
 Jupiter MOID = 2.17295 au 
 T_jup = 3.283 
[ 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 14.7   n/a MPO474201  

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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