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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3238627237771625 3.5309e-07  
a .9072988916485475 5.8395e-07 au
q .6134586013192482 2.7691e-07 au
i .2170725203839969 3.6973e-05 deg
node 199.7526168818968 0.0023068 deg
peri 114.4974087975736 0.0023182 deg
M 53.59841680524504 0.00065907 deg
tp 2458553.502640493704
(2019-Mar-11.00264049)
0.00053257 TDB
period 315.6632309447432
0.86
0.00030475
8.344e-07
d
yr
n 1.140455918551432 1.101e-06 deg/d
Q 1.201139181977847 7.7307e-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 = .000696049 au 
 Jupiter MOID = 4.05048 au 
 T_jup = 6.525 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457956.5 (2017-Jul-22.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3239131558395393 3.5269e-07  
q .6134545310596993 2.7715e-07 au
tp 2457922.211448225913
(2017-Jun-17.71144823)
8.2081e-05 TDB
node 199.7181542318894 0.0023039 deg
peri 114.5510721558083 0.0023153 deg
i .2166830863883647 3.6984e-05 deg
  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
 Jupiter MOID = 4.05048 au 
 T_jup = 6.525 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.243878595888344E-13 -1.271218454768526E-14 -2.59105662314836E-11 -7.352778658803854E-11 4.498064955806409E-11 1.291652972065644E-12
q -1.271218454768526E-14 7.68095319097142E-14 -7.410479204127029E-12 1.34897326370722E-10 -1.539964952132707E-10 -2.125123896920936E-12
tp -2.59105662314836E-11 -7.410479204127029E-12 6.737235171431905E-9 -1.553651740369661E-9 1.043299460341562E-8 -5.295281080725915E-12
node -7.352778658803854E-11 1.34897326370722E-10 -1.553651740369661E-9 5.307798427671699E-6 -5.327703407288401E-6 -8.503558004248666E-8
peri 4.498064955806409E-11 -1.539964952132707E-10 1.043299460341562E-8 -5.327703407288401E-6 5.360579481799477E-6 8.531442269065395E-8
i 1.291652972065644E-12 -2.125123896920936E-12 -5.295281080725915E-12 -8.503558004248666E-8 8.531442269065395E-8 1.367824144309424E-9

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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