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52642 (1997 WB55)
Classification: Main-belt Asteroid          SPK-ID: 2052642
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02696744053533132 4.4124e-08  
a 2.600884125471786 1.1204e-08 au
q 2.530744937478838 1.1727e-07 au
i 2.158370056962776 4.8933e-06 deg
node 184.2878487892141 8.5762e-05 deg
peri 158.0649173437585 0.00010927 deg
M 249.9371787490873 6.9974e-05 deg
tp 2459668.901279739530
(2022-Mar-30.40127974)
0.00029906 TDB
period 1532.074671444353
4.19
9.8997e-06
2.71e-08
d
yr
n .2349754921936098 1.5183e-09 deg/d
Q 2.671023313464734 1.1506e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      10161 days (27.82 yr)  
   first obs. used      1992-07-26  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54535  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:46:42  

Additional Information
 Earth MOID = 1.52 au 
 Jupiter MOID = 2.41032 au 
 T_jup = 3.413 
[ 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 15.23   n/a E2021B10  

52642 (1997 WB55)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 WB55 = 1992 OC4 = 2001 SO59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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