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JPL Small-Body Database Browser
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109492 (2001 QG228)
Classification: Main-belt Asteroid          SPK-ID: 2109492
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .09576506003047937 4.9847e-08  
a 2.389800777498527 1.4874e-08 au
q 2.160941362580494 1.2202e-07 au
i 7.282896864003736 6.775e-06 deg
node 232.3047641925065 4.256e-05 deg
peri 27.86391368989927 5.6896e-05 deg
M 350.0136251775511 3.9772e-05 deg
tp 2458637.932284740879
(2019-Jun-03.43228474)
0.00014921 TDB
period 1349.400833265716
3.69
1.2598e-05
3.449e-08
d
yr
n .2667850731415036 2.4907e-09 deg/d
Q 2.618660192416559 1.6298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      7034 days (19.26 yr)  
   first obs. used      1998-11-19  
   last obs. used      2018-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60422  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:12:57  

Additional Information
 Earth MOID = 1.14861 au 
 Jupiter MOID = 2.4199 au 
 T_jup = 3.516 
[ 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 16.2   n/a MPO436526  

109492 (2001 QG228)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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