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(2011 GP28)
Classification: Apollo [NEO]          SPK-ID: 3562032
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2455656.5 (2011-Apr-05.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5203483726345582 0.0013566  
a 1.592573854155 0.0034932 au
q .7638806408450995 0.00048604 au
i 4.051086569700582 0.0087671 deg
node 16.39580887256045 0.0028533 deg
peri 252.1953319159713 0.014095 deg
M 335.5434623650372 0.099471 deg
tp 2455706.370103708815
(2011-May-24.87010371)
0.038756 TDB
period 734.0874494641304
2.01
2.4153
0.006613
d
yr
n .4904047879619697 0.0016135 deg/d
Q 2.421267067464901 0.0053109 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .4542  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:00:29  

Additional Information
 Earth MOID = .000202236 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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