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(2021 FW2)
Classification: Aten [NEO]          SPK-ID: 54132514
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 .2509232059145933 0.00065377  
a .9200988199332265 2.982e-05 au
q .6892246742773471 0.0006238 au
i 2.561106011239798 0.007326 deg
node 10.97774624963281 0.0020751 deg
peri 302.8603908915588 0.0070311 deg
M 147.8011177733419 0.07932 deg
tp 2459068.149570452005
(2020-Aug-06.64957045)
0.064625 TDB
period 322.3666732368378
0.88
0.015672
4.291e-05
d
yr
n 1.116740748617999 5.429e-05 deg/d
Q 1.150972965589106 3.7303e-05 au
  Orbit Determination Parameters
   # obs. used (total)      14  
   data-arc span      10 days  
   first obs. used      2021-03-15  
   last obs. used      2021-03-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .45946  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:26:57  

Additional Information
 Earth MOID = .000280569 au 
 Jupiter MOID = 4.0682 au 
 T_jup = 6.469 
[ 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 25.337   .2922 4 autocmod 2.9c

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