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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02681879132447707 4.4426e-08  
a 2.60119976064944 1.1795e-08 au
q 2.531438727075303 1.1849e-07 au
i 2.158222293308307 4.9424e-06 deg
node 184.2873636263079 9.1315e-05 deg
peri 157.9982004067625 0.00011527 deg
M 203.0043492398183 7.1984e-05 deg
tp 2459668.757906024119
(2022-Mar-30.25790602)
0.00030787 TDB
period 1532.353571604153
4.20
1.0422e-05
2.853e-08
d
yr
n .234932724843087 1.5979e-09 deg/d
Q 2.670960794223577 1.2111e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1001  
   data-arc span      10053 days (27.52 yr)  
   first obs. used      1992-07-26  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55669  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:32:22  

Additional Information
 Earth MOID = 1.52257 au 
 Jupiter MOID = 2.4108 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 15.2   n/a MPO417183  

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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