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JPL Small-Body Database Browser
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49026 (1998 QW98)
Classification: Main-belt Asteroid          SPK-ID: 2049026
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2201111304834382 3.8108e-08  
a 2.388602396947249 1.1844e-08 au
q 1.862844423079739 9.2301e-08 au
i 2.499458981074937 4.4878e-06 deg
node 138.2531780207995 0.00011165 deg
peri 173.570783726963 0.00011231 deg
M 236.3385565906215 1.5398e-05 deg
tp 2459063.675984358779
(2020-Aug-02.17598436)
5.9583e-05 TDB
period 1348.385962285433
3.69
1.0029e-05
2.746e-08
d
yr
n .2669858705661853 1.9859e-09 deg/d
Q 2.914360370814758 1.4452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      15504 days (42.45 yr)  
   first obs. used      1976-10-22  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59404  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:48:54  

Additional Information
 Earth MOID = .847823 au 
 Jupiter MOID = 2.36496 au 
 T_jup = 3.499 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO324748  

49026 (1998 QW98)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QW98 = 1976 UJ12 = 2001 GC6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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