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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09546271829237712 4.9979e-08  
a 2.388664631915681 1.49e-08 au
q 2.160636213064149 1.2221e-07 au
i 7.281926802520371 6.7739e-06 deg
node 232.2904390390503 4.2581e-05 deg
peri 27.58394600791434 5.6922e-05 deg
M 97.04462393362533 4.0163e-05 deg
tp 2458637.003547940742
(2019-Jun-02.50354794)
0.00014913 TDB
period 1348.438660866315
3.69
1.2617e-05
3.454e-08
d
yr
n .2669754364419625 2.498e-09 deg/d
Q 2.616693050767212 1.6322e-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 = 1.14858 au 
 Jupiter MOID = 2.42096 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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