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226043 (2002 GD57)
Classification: Inner Main-belt Asteroid          SPK-ID: 2226043
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1135898897562512 8.7737e-08  
a 1.990978075742946 1.4284e-08 au
q 1.764823095612191 1.6906e-07 au
i 18.32867903251093 1.0359e-05 deg
node 5.024823736266065 2.1097e-05 deg
peri 44.44276004518543 6.1199e-05 deg
M 273.0981596544644 5.6986e-05 deg
tp 2459248.199207086806
(2021-Feb-02.69920709)
0.00016352 TDB
period 1026.119978549239
2.81
1.1043e-05
3.023e-08
d
yr
n .3508361668476425 3.7756e-09 deg/d
Q 2.2171330558737 1.5907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      6705 days (18.36 yr)  
   first obs. used      2002-03-21  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58107  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 15:59:24  

Additional Information
 Earth MOID = .797996 au 
 Jupiter MOID = 3.11564 au 
 T_jup = 3.780 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456594.5 (2013-Oct-29.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138651250080178 8.7728e-08  
q 1.76387860439509 1.6926e-07 au
tp 2456170.017780943113
(2012-Aug-30.51778094)
0.00015205 TDB
node 5.081932392767007 2.1099e-05 deg
peri 44.30179856363512 6.103e-05 deg
i 18.33125197993053 1.0359e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      6705 days (18.36 yr)  
   first obs. used      2002-03-21  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58107  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 15:59:24  

Additional Information
 Jupiter MOID = 3.11564 au 
 T_jup = 3.780 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.696140820830037E-15 -1.481676058398548E-14 -4.989018499592345E-12 8.918623557524491E-15 -2.215124885092566E-12 1.359888167046153E-14
q -1.481676058398548E-14 2.864792880866362E-14 1.039584776581367E-11 -1.868676635444467E-14 4.556406059833117E-12 -3.300210946295834E-14
tp -4.989018499592345E-12 1.039584776581367E-11 2.311973761950172E-8 -1.979728205794875E-11 8.706045983470223E-9 -1.854213938651002E-10
node 8.918623557524491E-15 -1.868676635444467E-14 -1.979728205794875E-11 4.451604587765601E-10 -4.29500666186456E-10 -6.993619834370542E-11
peri -2.215124885092566E-12 4.556406059833117E-12 8.706045983470223E-9 -4.29500666186456E-10 3.724639836193626E-9 -1.474666303306776E-12
i 1.359888167046153E-14 -3.300210946295834E-14 -1.854213938651002E-10 -6.993619834370542E-11 -1.474666303306776E-12 1.073011858071508E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO254395  

226043 (2002 GD57)          Discovered 2002-Apr-08 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2002 GD57 = 2005 EL124 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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