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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949240056320662 2.9146e-08  
a 2.641775302638415 1.086e-08 au
q 2.126829878668271 7.5651e-08 au
i 12.71343463523258 4.3542e-06 deg
node 54.18306860797462 1.4951e-05 deg
peri 258.274329860654 1.9222e-05 deg
M 182.1726153685191 1.2807e-05 deg
tp 2459775.208606877710
(2022-Jul-14.70860688)
5.728e-05 TDB
period 1568.347299567734
4.29
9.6711e-06
2.648e-08
d
yr
n .2295409952242229 1.4154e-09 deg/d
Q 3.156720726608559 1.2977e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1955  
   data-arc span      14755 days (40.40 yr)  
   first obs. used      1979-08-15  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47907  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 03:25:25  

Additional Information
 Earth MOID = 1.15611 au 
 Jupiter MOID = 2.22531 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

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