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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949240060627566 2.9132e-08  
a 2.641775301468178 1.0644e-08 au
q 2.126829876588355 7.5538e-08 au
i 12.71343497337507 4.0025e-06 deg
node 54.18306797038058 1.4627e-05 deg
peri 258.2743329899746 1.8394e-05 deg
M 182.1726135322106 1.2354e-05 deg
tp 2459775.208614362863
(2022-Jul-14.70861436)
5.5601e-05 TDB
period 1568.347298525629
4.29
9.4786e-06
2.595e-08
d
yr
n .2295409953767437 1.3873e-09 deg/d
Q 3.156720726348002 1.2719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2053  
   data-arc span      14783 days (40.47 yr)  
   first obs. used      1979-08-15  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:41:53  

Additional Information
 Earth MOID = 1.15611 au 
 Jupiter MOID = 2.22531 au 
 T_jup = 3.333 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456917.5 (2014-Sep-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .196835524302239 2.9292e-08  
q 2.12029931971581 7.6106e-08 au
tp 2456637.379008256506
(2013-Dec-10.87900826)
4.9775e-05 TDB
node 54.30769047059927 1.4653e-05 deg
peri 257.8508242774271 1.8303e-05 deg
i 12.70734359337957 4.0002e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2053  
   data-arc span      14783 days (40.47 yr)  
   first obs. used      1979-08-15  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:41:53  

Additional Information
 Jupiter MOID = 2.22531 au 
 T_jup = 3.333 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.580415937244389E-16 -2.216080933029684E-15 1.495765929252236E-13 -3.474173326213771E-15 1.659554695218861E-14 1.14122051737881E-15
q -2.216080933029684E-15 5.792051425606746E-15 -3.562049446026033E-13 9.034864459155294E-15 -3.446062254213351E-14 -2.65108852203085E-15
tp 1.495765929252236E-13 -3.562049446026033E-13 2.477548984962094E-9 -1.190297332645688E-11 5.557632678146203E-10 -2.831334921313522E-12
node -3.474173326213771E-15 9.034864459155294E-15 -1.190297332645688E-11 2.146973585300048E-10 -2.115032532215757E-10 -1.839948696288469E-12
peri 1.659554695218861E-14 -3.446062254213351E-14 5.557632678146203E-10 -2.115032532215757E-10 3.350071127475994E-10 1.138327580494529E-12
i 1.14122051737881E-15 -2.65108852203085E-15 -2.831334921313522E-12 -1.839948696288469E-12 1.138327580494529E-12 1.600165852763193E-11

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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