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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .205823347829288 4.3188e-08  
a 2.729090346927851 1.5602e-08 au
q 2.167379835194567 1.1502e-07 au
i 2.020679239779342 5.1978e-06 deg
node 264.1862427259354 0.00012916 deg
peri 90.80765419760829 0.00012994 deg
M 93.68640725453311 1.3486e-05 deg
tp 2457171.952090701959
(2015-May-29.45209070)
6.0734e-05 JED
period 1646.740993366783
4.51
1.4121e-05
3.866e-08
d
yr
n .2186136140717402 1.8747e-09 deg/d
Q 3.290800858661134 1.8813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1172  
   data-arc span      9999 days (27.38 yr)  
   first obs. used      1988-11-11  
   last obs. used      2016-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54431  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:22:01  

Additional Information
 Earth MOID = 1.16285 au 
 Jupiter MOID = 2.15466 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 14.6 mag n/a MPO350925  

15405 (1997 WJ7)          Discovered 1997-Nov-19 by Shimizu, Y., Urata, T. at Nachi-Katsuura
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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