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212312 (2005 QY26)
Classification: Main-belt Asteroid          SPK-ID: 2212312
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2047663547353893 4.9658e-08  
a 3.099321121288005 2.5701e-08 au
q 2.464684433127461 1.6387e-07 au
i 16.60587981143001 4.2402e-06 deg
node 162.0339556493397 1.7962e-05 deg
peri 100.0488558270802 2.2012e-05 deg
M 38.78879042496875 1.1549e-05 deg
tp 2459181.765400328984
(2020-Nov-28.26540033)
6.2947e-05 TDB
period 1992.958662402734
5.46
2.479e-05
6.787e-08
d
yr
n .1806359593861218 2.2469e-09 deg/d
Q 3.733957809448549 3.0963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      6698 days (18.34 yr)  
   first obs. used      2003-03-06  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55454  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:28:56  

Additional Information
 Earth MOID = 1.51583 au 
 Jupiter MOID = 1.7453 au 
 T_jup = 3.127 
[ 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 15.41   n/a E2020-QN2  
diameter diameter 3.605 km 0.301 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212312 (2005 QY26)          Discovered 2005-Aug-27 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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