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487452 (2014 SD31)
Classification: Main-belt Asteroid          SPK-ID: 2487452
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07735102111441089 1.2841e-07  
a 3.167997000858866 8.0633e-08 au
q 2.922949197955042 4.1514e-07 au
i 9.392217315769855 1.334e-05 deg
node 23.93255169137181 5.4565e-05 deg
peri 320.5922745903665 7.4417e-05 deg
M 12.09246715222566 5.4923e-05 deg
tp 2458931.318816852999
(2020-Mar-22.81881685)
0.00031292 TDB
period 2059.565316109749
5.64
7.8632e-05
2.153e-07
d
yr
n .174794165149369 6.6734e-09 deg/d
Q 3.413044803762691 8.6871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      6234 days (17.07 yr)  
   first obs. used      2001-03-25  
   last obs. used      2018-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60324  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:11:11  

Additional Information
 Earth MOID = 1.92404 au 
 Jupiter MOID = 1.97847 au 
 T_jup = 3.178 
[ 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 16.3   n/a MPO440945  

487452 (2014 SD31)          Discovered 2003-Oct-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

Alternate Designations
 2014 SD31 = 2003 TJ30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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