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JPL Small-Body Database Browser
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27030 (1998 QW105)
Classification: Main-belt Asteroid          SPK-ID: 2027030
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699379122589361 4.6525e-08  
a 2.463589997318336 1.2155e-08 au
q 2.04493265651206 1.1239e-07 au
i 9.801307114680984 4.7321e-06 deg
node 138.2989995063938 2.8859e-05 deg
peri 268.2790584855014 3.244e-05 deg
M 181.2752169931802 1.7369e-05 deg
tp 2459701.686187918166
(2022-May-02.18618792)
7.1277e-05 TDB
period 1412.378425665274
3.87
1.0453e-05
2.862e-08
d
yr
n .2548891950331434 1.8864e-09 deg/d
Q 2.882247338124612 1.422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      908  
   data-arc span      9788 days (26.80 yr)  
   first obs. used      1993-04-17  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:55:44  

Additional Information
 Earth MOID = 1.08202 au 
 Jupiter MOID = 2.55756 au 
 T_jup = 3.448 
[ 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 15.3   n/a MPO474120  

27030 (1998 QW105)          Discovered 1998-Aug-25 by Elst, E. W. at La Silla
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QW105 = 1994 PA26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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