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56204 (1999 GQ22)
Classification: Main-belt Asteroid          SPK-ID: 2056204
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2899249349252083 3.661e-08  
a 2.621991973053249 9.7561e-09 au
q 1.861811120891367 9.7897e-08 au
i 5.542529944028442 4.2775e-06 deg
node 328.0669882763805 3.5717e-05 deg
peri 201.9367182685757 3.6304e-05 deg
M 359.8264896075017 5.577e-06 deg
tp 2459001.247426436893
(2020-May-31.74742644)
2.4025e-05 TDB
period 1550.763118032463
4.25
8.6553e-06
2.37e-08
d
yr
n .2321437721943965 1.2957e-09 deg/d
Q 3.382172825215132 1.2585e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1238  
   data-arc span      7819 days (21.41 yr)  
   first obs. used      1998-12-01  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46372  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:05:12  

Additional Information
 Earth MOID = .869628 au 
 Jupiter MOID = 1.60747 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457093.5 (2015-Mar-12.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2907545545364124 3.6608e-08  
q 1.8588925233231 9.7889e-08 au
tp 2457450.873955425809
(2016-Mar-03.37395543)
2.2534e-05 TDB
node 328.0975780682801 3.5698e-05 deg
peri 201.9829073861059 3.6281e-05 deg
i 5.54567054841107 4.2793e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1238  
   data-arc span      7819 days (21.41 yr)  
   first obs. used      1998-12-01  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46372  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:05:12  

Additional Information
 Jupiter MOID = 1.60747 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.340144539771276E-15 -3.575165684730717E-15 4.479369622034996E-15 4.753923730548694E-15 1.755806326980324E-14 -3.067076076592141E-15
q -3.575165684730717E-15 9.582304532415893E-15 -1.712984812490914E-14 -1.391616868627162E-14 -5.000675211248215E-14 8.416195580224774E-15
tp 4.479369622034996E-15 -1.712984812490914E-14 5.077845265523622E-10 3.077954363438348E-13 1.546356033835817E-10 -2.951300090085289E-13
node 4.753923730548694E-15 -1.391616868627162E-14 3.077954363438348E-13 1.274370440860633E-9 -1.26761111009543E-9 2.106188538255514E-11
peri 1.755806326980324E-14 -5.000675211248215E-14 1.546356033835817E-10 -1.26761111009543E-9 1.316306248316953E-9 -2.112265575785375E-11
i -3.067076076592141E-15 8.416195580224774E-15 -2.951300090085289E-13 2.106188538255514E-11 -2.112265575785375E-11 1.831213744349274E-11

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 15.0   n/a MPO417210  

56204 (1999 GQ22)          Discovered 1999-Apr-06 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

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