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JPL Small-Body Database Browser
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(2018 FW1)
Classification: Apollo [NEO]          SPK-ID: 3802004
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5305344180077676 0.00046611  
a 2.16204436794028 0.0021794 au
q 1.015005417488112 1.541e-05 au
i 2.563641373792009 0.0016196 deg
node 186.2756186530917 0.00055464 deg
peri 7.60531729645992 0.001769 deg
M 7.918250710759967 0.55665 deg
tp 2459370.959930335967
(2021-Jun-05.45993034)
1.7568 TDB
period 1161.16872462217
3.18
1.7558
0.004807
d
yr
n .3100324632986817 0.00046879 deg/d
Q 3.309083318392449 0.0033357 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      20 days  
   first obs. used      2018-03-09  
   last obs. used      2018-03-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .45352  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:24:46  

Additional Information
 Earth MOID = .01665 au 
 Jupiter MOID = 1.64503 au 
 T_jup = 3.498 
[ 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 25.0   n/a E2018G20  

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