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109108 (2001 QG38)
Classification: Main-belt Asteroid          SPK-ID: 2109108
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2095141008691863 4.927e-08  
a 2.372683419791673 1.0961e-08 au
q 1.875572786446795 1.1544e-07 au
i 2.77722756124831 6.5447e-06 deg
node 43.05313965757711 8.4571e-05 deg
peri 311.3671013323543 8.5568e-05 deg
M 23.69357913364941 1.3969e-05 deg
tp 2458912.640993272249
(2020-Mar-04.14099327)
5.1433e-05 TDB
period 1334.928853238161
3.65
9.2502e-06
2.533e-08
d
yr
n .2696772933828956 1.8687e-09 deg/d
Q 2.869794053136552 1.3257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      9590 days (26.26 yr)  
   first obs. used      1992-01-30  
   last obs. used      2018-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:40:35  

Additional Information
 Earth MOID = .872255 au 
 Jupiter MOID = 2.57123 au 
 T_jup = 3.512 
[ 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 16.1   n/a MPO436524  

109108 (2001 QG38)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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