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(2020 GH2)
Classification: Apollo [NEO]          SPK-ID: 54016499
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .336002132679311 0.00021499  
a 1.471299074520906 0.00044885 au
q .976939447672785 1.8283e-05 au
i 10.9943235681547 0.0059259 deg
node 25.31457936996945 1.8198e-05 deg
peri 206.5451421554249 0.0028855 deg
M 12.60711988994817 0.0059665 deg
tp 2458977.672242432933
(2020-May-08.17224243)
0.00040058 TDB
period 651.8533016169968
1.78
0.2983
0.0008167
d
yr
n .55227149898141 0.00025273 deg/d
Q 1.965658701369027 0.00059967 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      4 days  
   first obs. used      2020-04-11  
   last obs. used      2020-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .3768  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-23 07:00:05  

Additional Information
 Earth MOID = 2.82602E-5 au 
 Jupiter MOID = 3.03938 au 
 T_jup = 4.520 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458952.5 (2020-Apr-13.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3233250590553826 0.00022921  
q .9750826476923677 1.6054e-05 au
tp 2458978.951477455204
(2020-May-09.45147745)
0.0020415 TDB
node 25.36272787222172 9.9165e-05 deg
peri 207.8837437326227 0.00048474 deg
i 11.2542794690971 0.0056376 deg
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      4 days  
   first obs. used      2020-04-11  
   last obs. used      2020-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .3768  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-23 07:00:05  

Additional Information
 Jupiter MOID = 3.03938 au 
 T_jup = 4.520 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.253632620948495E-8 -3.67894359759123E-9 -4.667196289044521E-7 -2.270667621973051E-8 1.041957982491878E-7 1.292098252795655E-6
q -3.67894359759123E-9 2.577333129944589E-10 3.263444475736666E-8 1.589070932959942E-9 -7.352077685247131E-9 -9.050011021559081E-8
tp -4.667196289044521E-7 3.263444475736666E-8 4.167692776304992E-6 2.021793716789948E-7 -9.009993058920021E-7 -1.147027601606848E-5
node -2.270667621973051E-8 1.589070932959942E-9 2.021793716789948E-7 9.833703720886491E-9 -4.452161389990666E-8 -5.582750743233323E-7
peri 1.041957982491878E-7 -7.352077685247131E-9 -9.009993058920021E-7 -4.452161389990666E-8 2.349743749417074E-7 2.572248099277868E-6
i 1.292098252795655E-6 -9.050011021559081E-8 -1.147027601606848E-5 -5.582750743233323E-7 2.572248099277868E-6 3.178203088919494E-5

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.621   .42253 6 autocmod 2.8

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