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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2899249380173073 3.7735e-08  
a 2.621991974040069 1.0081e-08 au
q 1.861811113484625 1.0039e-07 au
i 5.54252989662954 4.3093e-06 deg
node 328.0669823989508 3.7987e-05 deg
peri 201.9367243462657 3.8511e-05 deg
M 359.826489031608 5.773e-06 deg
tp 2459001.247428918079
(2020-May-31.74742892)
2.487e-05 TDB
period 1550.763118907937
4.25
8.9434e-06
2.449e-08
d
yr
n .2321437720633411 1.3388e-09 deg/d
Q 3.382172834595514 1.3004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1106  
   data-arc span      7735 days (21.18 yr)  
   first obs. used      1998-12-01  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 11:44:12  

Additional Information
 Earth MOID = .869628 au 
 Jupiter MOID = 1.60747 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456906.5 (2014-Sep-06.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2906362665921391 3.7729e-08  
q 1.859363351415559 1.0036e-07 au
tp 2457450.910079319559
(2016-Mar-03.41007932)
2.2937e-05 TDB
node 328.0971688473047 3.7964e-05 deg
peri 201.9697831381455 3.8485e-05 deg
i 5.545664818485618 4.3111e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1106  
   data-arc span      7735 days (21.18 yr)  
   first obs. used      1998-12-01  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 11:44:12  

Additional Information
 Jupiter MOID = 1.60747 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.423443605838422E-15 -3.777342890616568E-15 4.078706582548504E-14 9.40932437642976E-16 2.574550219964759E-14 -3.246186924119963E-15
q -3.777342890616568E-15 1.007306680658393E-14 -1.053644280831591E-13 -3.188241849407743E-15 -7.145500193820534E-14 8.889919829130357E-15
tp 4.078706582548504E-14 -1.053644280831591E-13 5.260875247294399E-10 2.465518165290365E-12 1.550078804537726E-10 -2.777270104374371E-13
node 9.40932437642976E-16 -3.188241849407743E-15 2.465518165290365E-12 1.441264636287921E-9 -1.433255898798507E-9 2.679904377891018E-11
peri 2.574550219964759E-14 -7.145500193820534E-14 1.550078804537726E-10 -1.433255898798507E-9 1.481091594586327E-9 -2.682521714589749E-11
i -3.246186924119963E-15 8.889919829130357E-15 -2.777270104374371E-13 2.679904377891018E-11 -2.682521714589749E-11 1.858543789054164E-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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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