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169056 (2001 FW115)
Classification: Main-belt Asteroid          SPK-ID: 2169056
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812081923826524 1.2585e-07  
a 2.566015625142342 1.7753e-08 au
q 2.101032572084656 3.2643e-07 au
i 19.2077876939992 7.663e-06 deg
node 359.5487859535841 1.2086e-05 deg
peri 4.759972029758244 2.0071e-05 deg
M 110.9538939958643 1.1084e-05 deg
tp 2458737.770252752562
(2019-Sep-11.27025275)
4.6882e-05 TDB
period 1501.368748854249
4.11
1.5581e-05
4.266e-08
d
yr
n .2397811998383006 2.4884e-09 deg/d
Q 3.030998678200028 2.097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1061  
   data-arc span      7805 days (21.37 yr)  
   first obs. used      1999-10-31  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48971  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:38:25  

Additional Information
 Earth MOID = 1.0974 au 
 Jupiter MOID = 2.42779 au 
 T_jup = 3.332 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.84   n/a E2021B55  

169056 (2001 FW115)          Discovered 2001-Mar-19 by LONEOS at Anderson Mesa
Reference: 20071124/Numbers.arcLast Updated: 2007-11-26

Alternate Designations
 2001 FW115 = 1999 XV261 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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