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JPL Small-Body Database Browser
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277189 (2005 QE31)
Classification: Main-belt Asteroid          SPK-ID: 2277189
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1409541204161006 8.4907e-08  
a 2.443928808603032 2.4582e-08 au
q 2.099446973026823 1.9759e-07 au
i 5.43223489199756 6.8688e-06 deg
node 32.63572440345696 6.2884e-05 deg
peri 313.520776761463 6.7092e-05 deg
M 192.7987090103005 2.8565e-05 deg
tp 2459248.639334227843
(2021-Feb-03.13933423)
0.00011692 TDB
period 1395.504537918897
3.82
2.1055e-05
5.765e-08
d
yr
n .2579712141508796 3.8922e-09 deg/d
Q 2.788410644179241 2.8047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      6477 days (17.73 yr)  
   first obs. used      2001-07-10  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53132  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:51:33  

Additional Information
 Earth MOID = 1.09631 au 
 Jupiter MOID = 2.62131 au 
 T_jup = 3.480 
[ 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 MPO433793  

277189 (2005 QE31)          Discovered 2005-Aug-22 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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