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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2729221425428452 0.00010931  
a 1.317010299299566 0.00053543 au
q .9575690266637347 0.00024534 au
i .6148819513394136 0.015214 deg
node 54.24995265637317 1.3575 deg
peri 181.4459791307081 1.2528 deg
M 136.0119382020489 0.12014 deg
tp 2458991.927660547238
(2020-May-22.42766055)
0.31142 TDB
period 552.0547916275715
1.51
0.33666
0.0009217
d
yr
n .6521091845587387 0.00039767 deg/d
Q 1.676451571935397 0.00068156 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 = .00628369 au 
 Jupiter MOID = 3.32121 au 
 T_jup = 4.919 
[ 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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