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187256 (2005 SG248)
Classification: Main-belt Asteroid          SPK-ID: 2187256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07318989365284746 5.8428e-08  
a 2.775581038569987 1.8728e-08 au
q 2.572436557532189 1.6112e-07 au
i 4.914954980614647 5.4945e-06 deg
node 20.34335826052877 5.1175e-05 deg
peri 325.6843067278884 5.8754e-05 deg
M 134.4681876706431 3.0612e-05 deg
tp 2458569.620601571478
(2019-Mar-27.12060157)
0.00014091 TDB
period 1688.998620183319
4.62
1.7095e-05
4.68e-08
d
yr
n .2131440462402075 2.1573e-09 deg/d
Q 2.978725519607784 2.0099e-08 au
  Orbit Determination Parameters
   # obs. used (total)      353  
   data-arc span      10750 days (29.43 yr)  
   first obs. used      1991-10-05  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53133  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:38  

Additional Information
 Earth MOID = 1.56556 au 
 Jupiter MOID = 2.33399 au 
 T_jup = 3.326 
[ 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 16.0   n/a MPO454289  

187256 (2005 SG248)          Discovered 2005-Sep-30 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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