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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1588511965031035 7.9499e-08  
a 2.651690604640018 2.7556e-08 au
q 2.230466379336913 2.2105e-07 au
i 7.278602823490243 9.7562e-06 deg
node 162.9883062682472 3.4275e-05 deg
peri 326.34880965 4.6807e-05 deg
M 283.0678018598467 2.6013e-05 deg
tp 2458937.545351945746
(2020-Mar-29.04535195)
0.00011293 TDB
period 1577.185231070881
4.32
2.4585e-05
6.731e-08
d
yr
n .2282547369249497 3.5579e-09 deg/d
Q 3.072914829943123 3.1933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      5727 days (15.68 yr)  
   first obs. used      2003-01-31  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61371  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:44:03  

Additional Information
 Earth MOID = 1.24947 au 
 Jupiter MOID = 1.98855 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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