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115998 (2003 WS72)
Classification: Main-belt Asteroid          SPK-ID: 2115998
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .086805757872263 5.9931e-08  
a 2.785931735460428 2.6101e-08 au
q 2.544096819783397 1.7247e-07 au
i 4.6240991014054 6.5904e-06 deg
node 27.766749693108 6.3008e-05 deg
peri 338.6363590056803 6.9911e-05 deg
M 293.3300206624148 3.4632e-05 deg
tp 2459515.044396282027
(2021-Oct-27.54439628)
0.00016581 TDB
period 1698.455343568602
4.65
2.3869e-05
6.535e-08
d
yr
n .2119572948227234 2.9787e-09 deg/d
Q 3.02776665113746 2.8366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      7893 days (21.61 yr)  
   first obs. used      1998-10-17  
   last obs. used      2020-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63598  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:46:07  

Additional Information
 Earth MOID = 1.5418 au 
 Jupiter MOID = 2.40328 au 
 T_jup = 3.321 
[ 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 15.72   n/a E2021B55  
diameter diameter 5.701 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115998 (2003 WS72)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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