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79447 (1997 WQ1)
Classification: Inner Main-belt Asteroid          SPK-ID: 2079447
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08400782723628461 8.3933e-08  
a 1.919242668176788 1.0327e-08 AU
q 1.758011261684087 1.5976e-07 AU
i 18.16819718556717 9.7626e-06 deg
node 235.4443556280604 1.6793e-05 deg
peri 196.5658846356294 4.5278e-05 deg
M 132.3163280341975 3.9143e-05 deg
tp 2456643.552617598813
(2013-Dec-17.05261760)
0.00010558 JED
period 971.165536208168
2.66
7.8385e-06
2.146e-08
d
yr
n .3706886072230167 2.9919e-09 deg/d
Q 2.080474074669489 1.1195e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      5908 days (16.18 yr)  
   first obs. used      1997-11-21  
   last obs. used      2014-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58804  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 17:44:22  

Additional Information
 Earth MOID = .774042 AU 
 T_jup = 3.861 
[ 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 15.8 mag n/a MPO235120  

79447 (1997 WQ1)          Discovered 1997-Nov-21 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1997 WQ1 = 1999 LJ28 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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