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118277 (1998 QE105)
Classification: Main-belt Asteroid          SPK-ID: 2118277
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17801477491934 3.5904e-08  
a 2.233774230976707 1.1662e-08 au
q 1.836129414028767 7.7836e-08 au
i 8.236015584196895 3.6897e-06 deg
node 125.5361679159198 2.9562e-05 deg
peri 202.3041911258636 3.1705e-05 deg
M 197.0041310674589 1.2457e-05 deg
tp 2459552.617405482918
(2021-Dec-04.11740548)
4.3901e-05 TDB
period 1219.431309980696
3.34
9.5498e-06
2.615e-08
d
yr
n .2952195806795375 2.312e-09 deg/d
Q 2.631419047924648 1.3738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      7917 days (21.68 yr)  
   first obs. used      1998-08-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49165  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:19:13  

Additional Information
 Earth MOID = .826991 au 
 Jupiter MOID = 2.70026 au 
 T_jup = 3.606 
[ 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 16.3   n/a MPO453653  

118277 (1998 QE105)          Discovered 1998-Aug-25 by Elst, E. W. at La Silla
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1998 QE105 = 2001 LT14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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