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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0840077805377365 7.7753e-08  
a 1.919242662914522 9.6479e-09 AU
q 1.758011346489738 1.4912e-07 AU
i 18.16819971239736 8.9058e-06 deg
node 235.4443526597915 1.5953e-05 deg
peri 196.565920378876 3.8481e-05 deg
M 132.3163010865476 3.4353e-05 deg
tp 2456643.552691763046
(2013-Dec-17.05269176)
9.2085e-05 JED
period 971.1655322139899
2.66
7.323e-06
2.005e-08
d
yr
n .3706886087475728 2.7951e-09 deg/d
Q 2.080473979339306 1.0458e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      418  
   data-arc span      6424 days (17.59 yr)  
   first obs. used      1997-11-21  
   last obs. used      2015-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58238  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:59:04  

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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