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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08384048689134316 7.4398e-08  
a 1.919484667585939 9.363e-09 au
q 1.758554138475066 1.433e-07 au
i 18.16680879303494 7.939e-06 deg
node 235.4384556630193 1.5579e-05 deg
peri 196.5451461056182 3.5365e-05 deg
M 280.6000511375006 3.2624e-05 deg
tp 2457614.736329976597
(2016-Aug-14.23632998)
8.863e-05 JED
period 971.3492249867321
2.66
7.1071e-06
1.946e-08
d
yr
n .3706185074733727 2.7117e-09 deg/d
Q 2.080415196696813 1.0148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      6491 days (17.77 yr)  
   first obs. used      1997-11-21  
   last obs. used      2015-08-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5711  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 15:38:07  

Additional Information
 Earth MOID = .774007 au 
 Jupiter MOID = 3.20327 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 15.9 mag n/a MPO348012  

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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