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JPL Small-Body Database Browser
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(2017 FR91)
Classification: Aten [NEO]          SPK-ID: 3772844
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3238973865679582 3.5307e-07  
a .907283341154645 5.8398e-07 au
q .6134166380780103 2.7695e-07 au
i .2170935066488007 3.6974e-05 deg
node 199.7440183843691 0.0023061 deg
peri 114.5062901686189 0.0023175 deg
M 149.7848342794032 0.0010992 deg
tp 2458869.165696725136
(2020-Jan-20.66569673)
0.00083706 TDB
period 315.6551155957219
0.86
0.00030476
8.344e-07
d
yr
n 1.140485239152826 1.1011e-06 deg/d
Q 1.20115004423128 7.7313e-07 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   # delay obs. used      3  
   # Doppler obs. used      2  
   data-arc span      4 days  
   first obs. used      2017-03-26  
   last obs. used      2017-03-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .45054  
   source      ORB  
   producer      OSOD/JPL  
   solution date      2017-Jul-20 12:28:32  

Additional Information
 Earth MOID = .000716979 au 
 Jupiter MOID = 4.05223 au 
 T_jup = 6.525 
[ 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 26.9   n/a MPO405702  

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