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JPL Small-Body Database Browser
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382632 (2002 QN21)
Classification: Main-belt Asteroid          SPK-ID: 2382632
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 .2244983638243273 9.0081e-08  
a 2.305079574416774 2.454e-08 au
q 1.787592981475332 2.0867e-07 au
i 23.21379439505283 1.184e-05 deg
node 341.2711038851 2.0816e-05 deg
peri 85.23018452409038 6.8039e-05 deg
M 210.1827450478942 4.7695e-05 deg
tp 2459132.469392185536
(2020-Oct-09.96939219)
0.00017131 TDB
period 1278.283874898223
3.50
2.0413e-05
5.589e-08
d
yr
n .2816275845055646 4.4974e-09 deg/d
Q 2.822566167358216 3.005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      5715 days (15.65 yr)  
   first obs. used      2002-08-26  
   last obs. used      2018-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .614  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:32:07  

Additional Information
 Earth MOID = .94862 au 
 Jupiter MOID = 2.72481 au 
 T_jup = 3.450 
[ 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 16.8   n/a MPO288362  

382632 (2002 QN21)          Discovered 2002-Aug-26 by NEAT at Palomar
Reference: Last Updated: 2014-01-21

Alternate Designations
 2002 QN21 = 2009 QL20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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