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(2015 HQ11)
Classification: Apollo [NEO]          SPK-ID: 3717079
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .396434166819999 0.00028081  
a 1.512174108108524 0.00063506 au
q .9126966254737457 4.5227e-05 au
i 8.392468149057168 0.0046855 deg
node 35.32823149129801 0.00094197 deg
peri 226.2159532887432 0.0042157 deg
M 247.3758300639743 0.60793 deg
tp 2459212.985953355794
(2020-Dec-29.48595336)
1.2808 TDB
period 679.205389496212
1.86
0.42786
0.001171
d
yr
n .5300311298575285 0.00033389 deg/d
Q 2.111651590743302 0.00088681 au
  Orbit Determination Parameters
   # obs. used (total)      52  
   first obs. used      2015-04-23  
   last obs. used      2015-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .51919  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:34:07  

Additional Information
 Earth MOID = .00315247 au 
 Jupiter MOID = 2.9878 au 
 T_jup = 4.420 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 27.1   n/a MPO337078  

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