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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2028669352792103 3.1208e-08  
a 2.731197376525266 9.7584e-09 au
q 2.177127735106966 8.691e-08 au
i 2.025414901601702 3.3846e-06 deg
node 263.9672889034323 0.00010523 deg
peri 91.260452322 0.0001057 deg
M 39.02531414961984 8.6834e-06 deg
tp 2458821.780490523716
(2019-Dec-04.28049052)
3.9638e-05 TDB
period 1648.648443028328
4.51
8.8357e-06
2.419e-08
d
yr
n .2183606829717633 1.1703e-09 deg/d
Q 3.285267017943565 1.1738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1681  
   data-arc span      11347 days (31.07 yr)  
   first obs. used      1988-11-11  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51543  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:58:24  

Additional Information
 Earth MOID = 1.17368 au 
 Jupiter MOID = 2.17032 au 
 T_jup = 3.323 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO350925  
diameter diameter 4.812 km 0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.192   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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