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(2017 FF128)
Classification: Apollo [NEO]          SPK-ID: 3773651
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5739954173183197 2.6344e-05  
a 2.158083866006275 0.00012584 au
q .9193536167300704 3.3062e-06 au
i 6.692645921390874 0.00022631 deg
node 20.20757057412589 0.00015008 deg
peri 220.4873437354057 0.00027362 deg
M 346.4595833854383 0.030307 deg
tp 2459044.054239008456
(2020-Jul-13.55423901)
0.10129 TDB
period 1157.979587288482
3.17
0.10128
0.0002773
d
yr
n .3108863091818171 2.7191e-05 deg/d
Q 3.39681411528248 0.00019806 au
  Orbit Determination Parameters
   # obs. used (total)      18  
   # delay obs. used      0  
   # Doppler obs. used      3  
   data-arc span      22 days  
   first obs. used      2017-03-21  
   last obs. used      2017-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .50507  
   source      ORB  
   producer      OSOD/JPL  
   solution date      2017-Jul-19 15:04:08  

Additional Information
 Earth MOID = .0020779 au 
 Jupiter MOID = 1.66922 au 
 T_jup = 3.459 
[ 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 25.4   n/a MPO405769  

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