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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172261676458595 3.296e-08  
a 2.476340421695197 1.4038e-08 au
q 1.938414482103818 8.5642e-08 au
i 2.052426956996334 4.0183e-06 deg
node 218.4819644179752 0.00015653 deg
peri 200.4575316436812 0.00015737 deg
M 250.9545218275135 2.017e-05 deg
tp 2459631.640784377139
(2022-Feb-21.14078438)
8.2336e-05 TDB
period 1423.357345732945
3.90
1.2104e-05
3.314e-08
d
yr
n .2529231335189557 2.1507e-09 deg/d
Q 3.014266361286576 1.7088e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57906  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:51  

Additional Information
 Earth MOID = .950252 au 
 Jupiter MOID = 2.33267 au 
 T_jup = 3.447 
[ 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 16.23   n/a E2021B55  

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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