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392560 (2011 SD74)
Classification: Main-belt Asteroid          SPK-ID: 2392560
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08590476850230672 7.1351e-08  
a 2.848664902016226 5.9008e-08 au
q 2.603951003067877 2.2518e-07 au
i 8.082968049872223 6.9294e-06 deg
node 275.6423465332326 9.1789e-05 deg
peri 338.2426032809185 0.00013231 deg
M 68.43524897320782 8.9335e-05 deg
tp 2458866.660420406597
(2020-Jan-18.16042041)
0.00044097 TDB
period 1756.145414195482
4.81
5.4565e-05
1.494e-07
d
yr
n .2049944139534263 6.3694e-09 deg/d
Q 3.093378800964576 6.4077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      5092 days (13.94 yr)  
   first obs. used      2006-08-18  
   last obs. used      2020-07-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49836  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:31:04  

Additional Information
 Earth MOID = 1.58925 au 
 Jupiter MOID = 1.97992 au 
 T_jup = 3.286 
[ 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 16.11   n/a E2021B25  

392560 (2011 SD74)          Discovered 2007-Nov-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2011 SD74 = 2007 WO32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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