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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5362922738231342 5.3889e-07  
a 2.975318230106532 1.1519e-07 au
q 1.379678051135277 1.6122e-06 au
i 19.6528606616759 2.6625e-05 deg
node 20.02921627651796 4.0605e-05 deg
peri 324.2874991169933 0.00010045 deg
M 65.43108862286363 2.8007e-05 deg
tp 2459055.793666425520
(2020-Jul-25.29366643)
0.00016167 TDB
period 1874.556616255863
5.13
0.00010886
2.98e-07
d
yr
n .1920454132343276 1.1153e-08 deg/d
Q 4.570958409077788 1.7697e-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 = .417206 au 
 Jupiter MOID = 1.14014 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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