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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699379151391394 4.6498e-08  
a 2.463589998330817 1.1963e-08 au
q 2.044932650256842 1.1244e-07 au
i 9.80130969979327 3.9662e-06 deg
node 138.298996709415 2.8774e-05 deg
peri 268.2790555741004 3.1793e-05 deg
M 181.2752213932634 1.6931e-05 deg
tp 2459701.686171087695
(2022-May-02.18617109)
6.9869e-05 TDB
period 1412.378426535959
3.87
1.0287e-05
2.816e-08
d
yr
n .2548891948760126 1.8565e-09 deg/d
Q 2.882247346404792 1.3996e-08 au
  Orbit Determination Parameters
   # obs. used (total)      962  
   data-arc span      9872 days (27.03 yr)  
   first obs. used      1993-04-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:07:32  

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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