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15247 (1989 WS)
Classification: Main-belt Asteroid          SPK-ID: 2015247
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1929259942749454 3.8332e-08  
a 2.568073400276477 9.7071e-09 au
q 2.072625286157098 9.6029e-08 au
i 8.746071615674973 6.0783e-07 deg
node 237.2261393355469 3.7971e-06 deg
peri 159.215746407109 4.5027e-06 deg
M 203.6330560065217 7.3827e-06 deg
tp 2459853.408050144755
(2022-Sep-30.90805015)
3.3592e-05 TDB
period 1503.175108812736
4.12
8.5228e-06
2.333e-08
d
yr
n .2394930556589255 1.3579e-09 deg/d
Q 3.063521514395856 1.158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1553  
   data-arc span      21821 days (59.74 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50858  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:52:46  

Additional Information
 Earth MOID = 1.08186 au 
 Jupiter MOID = 2.36535 au 
 T_jup = 3.389 
[ 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 13.83   n/a E2021B10  
diameter diameter 4.407 km 1.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.301   0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

15247 (1989 WS)          Discovered 1989-Nov-20 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 WS = 1993 TZ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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