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JPL Small-Body Database Browser
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29489 (1997 WQ)
Classification: Main-belt Asteroid          SPK-ID: 2029489
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1947218026285425 2.9146e-08  
a 2.641856398620343 1.087e-08 au
q 2.12742935839524 7.567e-08 au
i 12.71512841101414 4.4424e-06 deg
node 54.19214443130249 1.5059e-05 deg
peri 258.2190135980269 1.9484e-05 deg
M 90.43701895241956 1.2827e-05 deg
tp 2458206.491151227872
(2018-Mar-28.99115123)
5.5419e-05 TDB
period 1568.419516709107
4.29
9.6799e-06
2.65e-08
d
yr
n .2295304261167064 1.4166e-09 deg/d
Q 3.156283438845445 1.2987e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1878  
   data-arc span      14724 days (40.31 yr)  
   first obs. used      1979-08-15  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48593  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:56:59  

Additional Information
 Earth MOID = 1.15595 au 
 Jupiter MOID = 2.22356 au 
 T_jup = 3.333 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4   n/a MPO459066  

29489 (1997 WQ)          Discovered 1997-Nov-18 by Kobayashi, T. at Oizumi
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WQ = 1999 CU123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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