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JPL Small-Body Database Browser
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434123 (2002 QB39)
Classification: Main-belt Asteroid          SPK-ID: 2434123
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2117375630045588 8.0049e-08  
a 2.30909068022131 1.3339e-08 au
q 1.820169446834711 1.8972e-07 au
i 2.681020378001755 7.1892e-06 deg
node 155.3904172479428 0.00015025 deg
peri 200.2861257358678 0.00015134 deg
M 265.1529179210788 1.791e-05 deg
tp 2458938.161373968536
(2020-Mar-29.66137397)
6.5472e-05 TDB
period 1281.621869268744
3.51
1.1105e-05
3.04e-08
d
yr
n .2808940832177009 2.4339e-09 deg/d
Q 2.79801191360791 1.6163e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      6139 days (16.81 yr)  
   first obs. used      2002-08-30  
   last obs. used      2019-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64923  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:34:58  

Additional Information
 Earth MOID = .814955 au 
 Jupiter MOID = 2.64109 au 
 T_jup = 3.554 
[ 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 18.2   n/a MPO386652  

434123 (2002 QB39)          Discovered 2002-Aug-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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