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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2099656160642647 4.9286e-08  
a 2.373742610159197 1.0996e-08 au
q 1.875338280639126 1.1557e-07 au
i 2.778105636052343 6.5462e-06 deg
node 43.07566255816074 8.4516e-05 deg
peri 311.2842560344087 8.5511e-05 deg
M 275.9365635901804 1.3504e-05 deg
tp 2458912.427384818856
(2020-Mar-03.92738482)
5.1385e-05 TDB
period 1335.822842018282
3.66
9.2819e-06
2.541e-08
d
yr
n .269496814005725 1.8726e-09 deg/d
Q 2.872146939679268 1.3305e-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 = .871114 au 
 Jupiter MOID = 2.56517 au 
 T_jup = 3.511 
[ 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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