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452142 (2015 QG11)
Classification: Main-belt Asteroid          SPK-ID: 2452142
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2166977883632907 1.4844e-07  
a 2.476947405637807 2.4958e-08 au
q 1.940198380943904 3.5511e-07 au
i 8.479441216123933 8.6062e-06 deg
node 351.4174790055491 4.3038e-05 deg
peri 55.88529813675117 5.7474e-05 deg
M 50.15434197394216 2.5761e-05 deg
tp 2458802.128334074016
(2019-Nov-14.62833407)
0.00010391 TDB
period 1423.880703498363
3.90
2.1521e-05
5.892e-08
d
yr
n .2528301697716025 3.8213e-09 deg/d
Q 3.013696430331711 3.0366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      5463 days (14.96 yr)  
   first obs. used      2005-02-09  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:33:40  

Additional Information
 Earth MOID = .963524 au 
 Jupiter MOID = 2.4556 au 
 T_jup = 3.433 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO361089  

452142 (2015 QG11)          Discovered 2005-Feb-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-11-30

Alternate Designations
 2015 QG11 = 2011 SK49 = 2013 EX59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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