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115957 (2003 WS40)
Classification: Main-belt Asteroid          SPK-ID: 2115957
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1022821514247576 6.3457e-08  
a 2.453637162609099 1.4483e-08 au
q 2.202673874801702 1.5081e-07 au
i 4.174318411648503 4.4836e-06 deg
node 275.5757683075952 8.4533e-05 deg
peri 207.6982221278974 9.1126e-05 deg
M 109.8095572516443 3.2769e-05 deg
tp 2458772.295154086144
(2019-Oct-15.79515409)
0.00012692 TDB
period 1403.828121952288
3.84
1.2429e-05
3.403e-08
d
yr
n .25644165006422 2.2705e-09 deg/d
Q 2.704600450416495 1.5964e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      8919 days (24.42 yr)  
   first obs. used      1995-12-22  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59831  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:57  

Additional Information
 Earth MOID = 1.21932 au 
 Jupiter MOID = 2.35898 au 
 T_jup = 3.483 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.35   n/a E2021B55  

115957 (2003 WS40)          Discovered 2003-Nov-19 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 WS40 = 2002 PT18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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