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101462 (1998 WW7)
Classification: Main-belt Asteroid          SPK-ID: 2101462
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1870069257555021 4.8633e-08  
a 2.36403580599447 9.0539e-09 au
q 1.921944737539514 1.136e-07 au
i 3.218267704435692 4.9994e-06 deg
node 233.3430996263393 7.6108e-05 deg
peri 148.9836355670509 7.6842e-05 deg
M 53.82046993208708 1.0719e-05 deg
tp 2459002.016464701872
(2020-Jun-01.51646470)
3.9079e-05 TDB
period 1327.637473204708
3.63
7.627e-06
2.088e-08
d
yr
n .2711583600687443 1.5577e-09 deg/d
Q 2.806126874449427 1.0747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      607  
   data-arc span      8091 days (22.15 yr)  
   first obs. used      1998-11-24  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:54  

Additional Information
 Earth MOID = .924785 au 
 Jupiter MOID = 2.65579 au 
 T_jup = 3.523 
[ 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 16.26   n/a E2021B55  

101462 (1998 WW7)          Discovered 1998-Nov-25 by Griffin, I. P. at Cocoa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 WW7 = 2003 BB50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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