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JPL Small-Body Database Browser
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442267 (2011 QD40)
Classification: Main-belt Asteroid          SPK-ID: 2442267
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .273197301219039 6.0995e-07  
a 2.546703935573913 7.7455e-08 au
q 1.850951293371215 1.6024e-06 au
i 3.633483977202105 8.5686e-06 deg
node 247.879749807815 0.0002481 deg
peri 42.77275108943718 0.0003837 deg
M 341.3178538061813 0.00013533 deg
tp 2458677.535407019106
(2019-Jul-13.03540702)
0.00055812 TDB
period 1484.451852542196
4.06
6.7722e-05
1.854e-07
d
yr
n .2425137597985967 1.1064e-08 deg/d
Q 3.242456577776612 9.8616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      5759 days (15.77 yr)  
   first obs. used      2003-10-03  
   last obs. used      2019-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46027  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:55  

Additional Information
 Earth MOID = .836055 au 
 Jupiter MOID = 1.96034 au 
 T_jup = 3.386 
[ 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 17.9   n/a MPO283202  

442267 (2011 QD40)          Discovered 2007-Sep-03 by CSS at Catalina
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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