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101452 (1998 WS1)
Classification: Main-belt Asteroid          SPK-ID: 2101452
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2179616748706708 3.2923e-08  
a 2.474861344356391 1.3917e-08 au
q 1.935436420667792 8.5442e-08 au
i 2.053945434570537 4.0194e-06 deg
node 218.5421389916918 0.00015639 deg
peri 200.4710363590024 0.00015723 deg
M 200.3025889465605 1.9818e-05 deg
tp 2459631.341288619488
(2022-Feb-20.84128862)
8.1981e-05 TDB
period 1422.08231432769
3.89
1.1996e-05
3.284e-08
d
yr
n .2531499030491742 2.1354e-09 deg/d
Q 3.01428626804499 1.6951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      7942 days (21.74 yr)  
   first obs. used      1998-11-18  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57888  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:31  

Additional Information
 Earth MOID = .947995 au 
 Jupiter MOID = 2.33178 au 
 T_jup = 3.448 
[ 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 16.1   n/a MPO432542  

101452 (1998 WS1)          Discovered 1998-Nov-18 by Kobayashi, T. at Oizumi
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 WS1 = 2002 XW42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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