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233658 (2008 QG28)
Classification: Main-belt Asteroid          SPK-ID: 2233658
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488335075054122 4.9635e-08  
a 2.765667673728773 2.7336e-08 au
q 2.354043653253386 1.4149e-07 au
i 9.967556208284124 4.542e-06 deg
node 118.6574143264349 3.4265e-05 deg
peri 289.5489683126891 3.8451e-05 deg
M 150.6273853570926 2.1046e-05 deg
tp 2458297.589786339165
(2018-Jun-28.08978634)
9.2567e-05 TDB
period 1679.957972569198
4.60
2.4907e-05
6.819e-08
d
yr
n .2142910750615051 3.1771e-09 deg/d
Q 3.17729169420416 3.1405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      7530 days (20.62 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:12:20  

Additional Information
 Earth MOID = 1.38707 au 
 Jupiter MOID = 2.22812 au 
 T_jup = 3.302 
[ 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 15.3   n/a MPO418248  

233658 (2008 QG28)          Discovered 2008-Aug-30 by La Sagra at La Sagra
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

Alternate Designations
 2008 QG28 = 2004 XT178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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