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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08400776175338971 7.4947e-08  
a 1.91924266095348 9.3923e-09 AU
q 1.758011380745158 1.4426e-07 AU
i 18.16820052762853 8.1291e-06 deg
node 235.4443520260255 1.5607e-05 deg
peri 196.5659333143743 3.5683e-05 deg
M 132.3162909764773 3.2431e-05 deg
tp 2456643.552719583883
(2013-Dec-17.05271958)
8.6645e-05 JED
period 971.1655307255146
2.66
7.129e-06
1.952e-08
d
yr
n .3706886093157157 2.7211e-09 deg/d
Q 2.080473941161801 1.0181e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      6477 days (17.73 yr)  
   first obs. used      1997-11-21  
   last obs. used      2015-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57178  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 16:41:29  

Additional Information
 Earth MOID = .774043 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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