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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1587238973513469 7.8273e-08  
a 2.651700709177784 2.7463e-08 au
q 2.230812438007756 2.1837e-07 au
i 7.278870455509639 9.4859e-06 deg
node 162.9782567577462 3.4053e-05 deg
peri 326.2835593579608 4.6439e-05 deg
M 14.41945136286971 2.5228e-05 deg
tp 2458937.327011884197
(2020-Mar-28.82701188)
0.00011072 TDB
period 1577.194246117481
4.32
2.4501e-05
6.708e-08
d
yr
n .2282534322491971 3.5459e-09 deg/d
Q 3.072588980347812 3.1821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      6262 days (17.14 yr)  
   first obs. used      2003-01-31  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60873  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:01:48  

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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