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90975 (1997 WF37)
Classification: Main-belt Asteroid          SPK-ID: 2090975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1792446578498308 3.6434e-08  
a 2.351283140350919 9.8567e-09 au
q 1.929828198350643 8.3878e-08 au
i 3.551371303980738 3.3821e-06 deg
node 112.7304533074231 6.6519e-05 deg
peri 251.2659400372399 6.7587e-05 deg
M 237.5953781583027 1.5396e-05 deg
tp 2459844.266024645773
(2022-Sep-21.76602465)
5.8364e-05 TDB
period 1316.909169336337
3.61
8.2808e-06
2.267e-08
d
yr
n .2733673729232394 1.719e-09 deg/d
Q 2.772738082351196 1.1623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      9631 days (26.37 yr)  
   first obs. used      1995-01-28  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57868  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:39:27  

Additional Information
 Earth MOID = .93021 au 
 Jupiter MOID = 2.68808 au 
 T_jup = 3.533 
[ 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 16.40   n/a E2021B10  

90975 (1997 WF37)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1997 WF37 = 2001 XB196 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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