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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2060987773246364 4.9902e-08  
a 2.729975291483464 2.3607e-08 AU
q 2.167330721782254 1.4164e-07 AU
i 2.02052064349357 5.9227e-06 deg
node 264.197710396338 0.0001561 deg
peri 90.85516330683561 0.00015694 deg
M 322.4918353924415 1.7589e-05 deg
tp 2457172.156326356127
(2015-May-29.65632636)
8.1849e-05 JED
period 1647.542025443512
4.51
2.137e-05
5.851e-08
d
yr
n .2185073245115488 2.8342e-09 deg/d
Q 3.292619861184673 2.8472e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      825  
   data-arc span      9415 days (25.78 yr)  
   first obs. used      1988-11-11  
   last obs. used      2014-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57279  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:04:54  

Additional Information
 Earth MOID = 1.16406 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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