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JPL Small-Body Database Browser
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212321 (2005 QQ126)
Classification: Main-belt Asteroid          SPK-ID: 2212321
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1587239018588674 7.8455e-08  
a 2.65170071038235 2.7517e-08 au
q 2.230812427068533 2.1874e-07 au
i 7.278870412121474 9.525e-06 deg
node 162.9782566071188 3.4128e-05 deg
peri 326.2835610738729 4.6542e-05 deg
M 14.41944951217462 2.5339e-05 deg
tp 2458937.327019949223
(2020-Mar-28.82701995)
0.0001112 TDB
period 1577.19424719217
4.32
2.455e-05
6.721e-08
d
yr
n .2282534320936669 3.5529e-09 deg/d
Q 3.072588993696167 3.1885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6184 days (16.93 yr)  
   first obs. used      2003-01-31  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 00:55:37  

Additional Information
 Earth MOID = 1.24944 au 
 Jupiter MOID = 1.98757 au 
 T_jup = 3.361 
[ 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 16.5   n/a MPO454524  

212321 (2005 QQ126)          Discovered 2005-Aug-28 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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