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523132 (2016 SD54)
Classification: Main-belt Asteroid          SPK-ID: 2523132
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1686014610677627 1.0943e-07  
a 3.089301839636229 6.5135e-08 au
q 2.568441035794233 3.471e-07 au
i 17.97153611633274 1.3596e-05 deg
node 47.41280334601608 2.7911e-05 deg
peri 210.4368345092554 4.5937e-05 deg
M 350.2731050867847 3.0233e-05 deg
tp 2459054.087150565174
(2020-Jul-23.58715057)
0.00016641 TDB
period 1983.302418251968
5.43
6.2724e-05
1.717e-07
d
yr
n .1815154344022304 5.7406e-09 deg/d
Q 3.610162643478225 7.6117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      4076 days (11.16 yr)  
   first obs. used      2009-04-17  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70577  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:46:10  

Additional Information
 Earth MOID = 1.56986 au 
 Jupiter MOID = 1.47779 au 
 T_jup = 3.129 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO448156  

523132 (2016 SD54)          Discovered 2009-Apr-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2018-05-31

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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