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390994 (2005 SR88)
Classification: Main-belt Asteroid          SPK-ID: 2390994
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385471462073747 6.3435e-08  
a 3.110633382404096 4.9792e-08 au
q 2.679664004374616 2.2144e-07 au
i 10.89470614686959 1.2978e-05 deg
node 13.71348419707945 3.7186e-05 deg
peri 298.8394269073506 6.7136e-05 deg
M 296.7415928945024 5.2991e-05 deg
tp 2459352.617346618508
(2021-May-18.11734662)
0.00029329 TDB
period 2003.879809544657
5.49
4.8115e-05
1.317e-07
d
yr
n .1796514932109641 4.3136e-09 deg/d
Q 3.541602760433577 5.6691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      6281 days (17.20 yr)  
   first obs. used      2003-04-04  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:36:46  

Additional Information
 Earth MOID = 1.68767 au 
 Jupiter MOID = 1.89903 au 
 T_jup = 3.177 
[ 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 MPO427948  

390994 (2005 SR88)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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