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109037 (2001 QQ12)
Classification: Main-belt Asteroid          SPK-ID: 2109037
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 .2100091343432511 4.0391e-08  
a 2.430284116227284 1.0404e-08 au
q 1.919902252770239 9.904e-08 au
i 2.623208864879409 4.9123e-06 deg
node 154.4326552848039 8.7781e-05 deg
peri 130.3877212728964 8.8442e-05 deg
M 19.55789403015584 1.0281e-05 deg
tp 2458925.319780830541
(2020-Mar-16.81978083)
3.9392e-05 TDB
period 1383.834008880231
3.79
8.8863e-06
2.433e-08
d
yr
n .2601468078467767 1.6705e-09 deg/d
Q 2.940665979684329 1.2589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      7003 days (19.17 yr)  
   first obs. used      2000-02-07  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56414  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:27:11  

Additional Information
 Earth MOID = .904768 au 
 Jupiter MOID = 2.225 au 
 T_jup = 3.476 
[ 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 15.8   n/a MPO432614  

109037 (2001 QQ12)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QQ12 = 2000 EE187 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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