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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2728916905314782 0.00012326  
a 1.316864317598752 0.00057885 au
q .9575029877686473 0.00025857 au
i .6104882082851877 0.018575 deg
node 53.85192131166723 1.7002 deg
peri 181.8158351582815 1.5894 deg
M 135.9818807116424 0.11017 deg
tp 2458992.008422903244
(2020-May-22.50842290)		 0.30639 TDB
period 551.963006850853
1.51		 0.36394
0.0009964		 d
yr
n .6522176224343895 0.00043004 deg/d
Q 1.676225647428857 0.00073682 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 = .00618638 au 
 Jupiter MOID = 3.32138 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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