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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2728169278582839 0.00012297  
a 1.316947499272908 0.00057915 au
q .9576619283706239 0.00025921 au
i .6105148132086411 0.018574 deg
node 53.85243456447692 1.7001 deg
peri 181.807540424442 1.5892 deg
M 263.8206369395069 0.025787 deg
tp 2459543.979112588319
(2021-Nov-25.47911259)		 0.057745 TDB
period 552.015306011144
1.51		 0.36414
0.000997		 d
yr
n .6521558298833336 0.0004302 deg/d
Q 1.676233070175193 0.00073716 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .4784  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 18:55:29  

Additional Information
 Earth MOID = .00610681 au 
 Jupiter MOID = 3.32018 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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