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JPL Small-Body Database Browser
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487421 (2014 QU412)
Classification: Main-belt Asteroid          SPK-ID: 2487421
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 .05776898452523514 7.4247e-08  
a 2.778220135030068 3.5327e-08 au
q 2.617725179041819 1.9826e-07 au
i 5.062420791074531 8.573e-06 deg
node 155.2595421113454 7.0815e-05 deg
peri 163.6299499056183 9.4669e-05 deg
M 15.49137962734682 6.2958e-05 deg
tp 2458527.715985727109
(2019-Feb-13.21598573)
0.00029566 TDB
period 1691.408110094094
4.63
3.2261e-05
8.833e-08
d
yr
n .2128404125837927 4.0596e-09 deg/d
Q 2.938715091018317 3.7368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      6994 days (19.15 yr)  
   first obs. used      2000-09-03  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5904  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:45:16  

Additional Information
 Earth MOID = 1.60428 au 
 Jupiter MOID = 2.24233 au 
 T_jup = 3.326 
[ 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 16.6   n/a MPO456349  

487421 (2014 QU412)          Discovered 2008-Feb-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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