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442268 (2011 QL45)
Classification: Main-belt Asteroid          SPK-ID: 2442268
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2380132689684279 4.1149e-08  
a 2.641285729918339 2.6458e-08 au
q 2.012624679060815 1.1845e-07 au
i 13.22761062813893 5.3196e-06 deg
node 169.7874514404464 2.6111e-05 deg
peri 128.3729277896312 3.4015e-05 deg
M 37.44614943408151 2.1377e-05 deg
tp 2458837.410436751788
(2019-Dec-19.91043675)
9.1247e-05 TDB
period 1567.911351545253
4.29
2.3559e-05
6.45e-08
d
yr
n .2296048176736539 3.45e-09 deg/d
Q 3.269946780775863 3.2756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      5342 days (14.63 yr)  
   first obs. used      2006-03-25  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5395  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:04:02  

Additional Information
 Earth MOID = 1.02681 au 
 Jupiter MOID = 2.13638 au 
 T_jup = 3.317 
[ 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 16.9   n/a MPO495191  

442268 (2011 QL45)          Discovered 2010-Mar-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 QL45 = 2010 EX100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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