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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029776314319497 2.9042e-08  
a 2.731852040503791 9.1781e-09 au
q 2.177347183899793 8.0111e-08 au
i 2.025197825989049 3.3668e-06 deg
node 263.9681486117684 9.6598e-05 deg
peri 91.31079818610175 9.7087e-05 deg
M 82.63189875941306 8.6695e-06 deg
tp 2458821.944623038718
(2019-Dec-04.44462304)
3.9359e-05 TDB
period 1649.24124644464
4.52
8.3114e-06
2.276e-08
d
yr
n .2182821953889838 1.1e-09 deg/d
Q 3.286356897107789 1.1041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1892  
   data-arc span      11815 days (32.35 yr)  
   first obs. used      1988-11-11  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4986  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:02:26  

Additional Information
 Earth MOID = 1.17222 au 
 Jupiter MOID = 2.17014 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 14.62   n/a MPCxxxxx  
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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