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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1928401817234467 5.6578e-08  
a 2.568259603793955 1.1498e-08 au
q 2.072995955085342 1.4114e-07 au
i 8.745679013575671 5.1538e-06 deg
node 237.2276618056511 2.7954e-05 deg
peri 159.2466310415368 3.0508e-05 deg
M 155.6905896930251 1.1843e-05 deg
tp 2458350.345353227905
(2018-Aug-19.84535323)		 4.9097e-05 TDB
period 1503.338598045273
4.12		 1.0095e-05
2.764e-08		 d
yr
n .2394670106043261 1.6081e-09 deg/d
Q 3.063523252502569 1.3715e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1350  
   data-arc span      21679 days (59.35 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52146  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:14:05  

Additional Information
 Earth MOID = 1.08325 au 
 Jupiter MOID = 2.36419 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 13.8   n/a MPO332961  
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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