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(2017 FW128)
Classification: Apollo [NEO]          SPK-ID: 3773664
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2744125839745725 0.00016881  
a 1.320987786080026 0.00027069 au
q .958492114302956 2.658e-05 au
i .6440758730216477 0.00026558 deg
node 56.55313811372394 0.01095 deg
peri 179.6951981312158 0.0065458 deg
M 5.244892913142109 0.26548 deg
tp 2458992.420569401337
(2020-May-22.92056940)
0.40648 TDB
period 554.5575598370083
1.52
0.17046
0.0004667
d
yr
n .649166157081708 0.00019954 deg/d
Q 1.683483457857095 0.00034498 au
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      16 days  
   first obs. used      2017-03-20  
   last obs. used      2017-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .49039  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Aug-25 06:18:34  

Additional Information
 Earth MOID = .00678416 au 
 Jupiter MOID = 3.31655 au 
 T_jup = 4.908 
[ 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 27.5   n/a MPO419559  

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