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442269 (2011 QO51)
Classification: Main-belt Asteroid          SPK-ID: 2442269
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2880058621098515 2.748e-07  
a 2.562326931703574 6.6189e-08 au
q 1.824361754730995 7.422e-07 au
i 12.26114495953729 1.8159e-05 deg
node 282.3617112071358 3.8033e-05 deg
peri 53.6499521911008 5.0925e-05 deg
M 49.78943085996765 4.6726e-05 deg
tp 2458793.302314413501
(2019-Nov-05.80231441)
0.00018736 TDB
period 1498.132545859518
4.10
5.8049e-05
1.589e-07
d
yr
n .2402991651138976 9.311e-09 deg/d
Q 3.300292108676152 8.5252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      3512 days (9.62 yr)  
   first obs. used      2007-06-17  
   last obs. used      2017-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50639  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:30:17  

Additional Information
 Earth MOID = .84285 au 
 Jupiter MOID = 2.17981 au 
 T_jup = 3.344 
[ 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 17.1   n/a MPO357033  

442269 (2011 QO51)          Discovered 2007-Jun-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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