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(2011 GP28)
Classification: Apollo [NEO]          SPK-ID: 3562032
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 2455656.5 (2011-Apr-05.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5203489447830173 0.0013565  
a 1.592572562131246 0.0034931 au
q .7638791099358657 0.00048602 au
i 4.051104192367936 0.0087668 deg
node 16.39573857229929 0.002853 deg
peri 252.1955629805014 0.014094 deg
M 335.543431082037 0.099468 deg
tp 2455706.370106810963
(2011-May-24.87010681)
0.038754 TDB
period 734.0865561383096
2.01
2.4152
0.006612
d
yr
n .4904053847461719 0.0016134 deg/d
Q 2.421266014326626 0.0053107 au
  Orbit Determination Parameters
   # obs. used (total)      14  
   data-arc span      1 day  
   first obs. used      2011-04-04  
   last obs. used      2011-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .4552  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:53:49  

Additional Information
 Earth MOID = .000202231 au 
 Jupiter MOID = 2.69914 au 
 T_jup = 4.210 
[ 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 29.4   n/a MPO196488  

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