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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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .206145612907279 5.9572e-08  
a 2.729767430518923 2.4289e-08 AU
q 2.167037850460271 1.6472e-07 AU
i 2.020680769013646 6.1514e-06 deg
node 264.1992085101707 0.00018488 deg
peri 90.88334389445977 0.00018567 deg
M 278.7666913769982 1.7886e-05 deg
tp 2457172.222235381212
(2015-May-29.72223538)
8.4675e-05 JED
period 1647.353862665936
4.51
2.1987e-05
6.02e-08
d
yr
n .2185322826860083 2.9167e-09 deg/d
Q 3.292497010577574 2.9296e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      8926 days (24.44 yr)  
   first obs. used      1988-11-11  
   last obs. used      2013-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59582  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 18:00:02  

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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