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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1408567081139436 8.4981e-08  
a 2.445224761764379 2.4192e-08 au
q 2.100798451223547 1.9828e-07 au
i 5.43038729686428 6.8666e-06 deg
node 32.62442916005767 6.2909e-05 deg
peri 313.291397643544 6.7142e-05 deg
M 296.2118334657016 2.9632e-05 deg
tp 2459247.965250448956
(2021-Feb-02.46525045)
0.00011735 TDB
period 1396.614685793212
3.82
2.0726e-05
5.674e-08
d
yr
n .2577661567374518 3.8253e-09 deg/d
Q 2.789651072305212 2.7599e-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 = 1.09853 au 
 Jupiter MOID = 2.6224 au 
 T_jup = 3.479 
[ 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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