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(2015 WF2)
Classification: Mars-crossing Asteroid          SPK-ID: 3735488
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5362546772566207 5.3902e-07  
a 2.974629638800239 1.1526e-07 au
q 1.379470581887438 1.6122e-06 au
i 19.65350923743949 2.6628e-05 deg
node 20.03631443816517 4.0605e-05 deg
peri 324.2631118466503 0.00010046 deg
M 27.80445198830465 2.9746e-05 deg
tp 2459055.769648390678
(2020-Jul-25.26964839)
0.00016168 TDB
period 1873.905898281031
5.13
0.00010891
2.982e-07
d
yr
n .1921121014295513 1.1166e-08 deg/d
Q 4.569788695713038 1.7707e-07 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      1885 days (5.16 yr)  
   first obs. used      2015-11-19  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41547  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 15:21:11  

Additional Information
 Earth MOID = .416342 au 
 Jupiter MOID = 1.14092 au 
 T_jup = 2.951 
[ 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 17.7   n/a E2021B25  

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