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15405 (1997 WJ7)
Classification: Main-belt Asteroid          SPK-ID: 2015405
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2061456030613331 5.0353e-08  
a 2.729767421625346 2.3689e-08 AU
q 2.167037870277208 1.4257e-07 AU
i 2.020682651356394 5.923e-06 deg
node 264.1991595847193 0.00015791 deg
peri 90.88338667008324 0.00015873 deg
M 278.7666997000909 1.726e-05 deg
tp 2457172.222195478276
(2015-May-29.72219548)
8.1865e-05 JED
period 1647.353854615322
4.51
2.1444e-05
5.871e-08
d
yr
n .218532283753975 2.8447e-09 deg/d
Q 3.292496972973483 2.8573e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      823  
   data-arc span      9357 days (25.62 yr)  
   first obs. used      1988-11-11  
   last obs. used      2014-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57288  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:34:28  

Additional Information
 Earth MOID = 1.16219 AU 
 T_jup = 3.323 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO259452  

15405 (1997 WJ7)          Discovered 1997-Nov-19 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 WJ7 = 1988 VZ10 = 1992 PM4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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