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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2059067486129092 4.3704e-08  
a 2.729317777282962 1.6066e-08 au
q 2.167332827831215 1.1699e-07 au
i 2.020604366964232 5.2131e-06 deg
node 264.1865439837227 0.00013541 deg
peri 90.82396829722214 0.00013616 deg
M 49.94080003717087 1.353e-05 deg
tp 2457172.028213609248
(2015-May-29.52821361)
6.1356e-05 JED
period 1646.946845854535
4.51
1.4542e-05
3.981e-08
d
yr
n .2185862894762765 1.93e-09 deg/d
Q 3.291302726734708 1.9374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1099  
   data-arc span      9895 days (27.09 yr)  
   first obs. used      1988-11-11  
   last obs. used      2015-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5355  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:30:36  

Additional Information
 Earth MOID = 1.1619 au 
 Jupiter MOID = 2.15402 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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