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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2038150773569954 6.2518e-08  
a 3.096005806440234 3.0834e-08 au
q 2.464993143502911 2.0868e-07 au
i 16.60097737628201 4.3998e-06 deg
node 162.0552815508705 1.9412e-05 deg
peri 100.0065987200473 2.3093e-05 deg
M 327.2262785281576 1.1729e-05 deg
tp 2459181.644158853548
(2020-Nov-28.14415885)
6.5988e-05 TDB
period 1989.761743819788
5.45
2.9725e-05
8.138e-08
d
yr
n .180926184312349 2.7029e-09 deg/d
Q 3.727018469377557 3.7119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      6261 days (17.14 yr)  
   first obs. used      2003-03-06  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5648  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:44:20  

Additional Information
 Earth MOID = 1.51617 au 
 Jupiter MOID = 1.75092 au 
 T_jup = 3.128 
[ 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 15.1   n/a MPO433387  
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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