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JPL Small-Body Database Browser
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(2020 AX2)
Classification: Apollo [NEO]          SPK-ID: 3986628
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3019035468093258 0.0006176  
a 1.353855337237656 0.0011059 au
q .9451216090588719 6.4169e-05 au
i 3.160163288746511 0.005405 deg
node 114.9843269689915 0.0028356 deg
peri 36.85593440125062 0.0027706 deg
M 66.54637644796649 0.077558 deg
tp 2458894.139901550096
(2020-Feb-14.63990155)
0.0063738 TDB
period 575.3827253374898
1.58
0.70498
0.00193
d
yr
n .6256705044261497 0.00076659 deg/d
Q 1.762589065416441 0.0014397 au
  Orbit Determination Parameters
   # obs. used (total)      39  
   data-arc span      7 days  
   first obs. used      2020-01-07  
   last obs. used      2020-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .36124  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-14 05:06:36  

Additional Information
 Earth MOID = .00268331 au 
 Jupiter MOID = 3.23459 au 
 T_jup = 4.814 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458856.5 (2020-Jan-08.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3037971467157712 0.00061092  
q .9454976606867839 6.5815e-05 au
tp 2458893.964238622560
(2020-Feb-14.46423862)
0.0053593 TDB
node 115.0228728413376 0.0026156 deg
peri 36.61155976041839 0.0040924 deg
i 3.159843527889923 0.0054012 deg
  Orbit Determination Parameters
   # obs. used (total)      39  
   data-arc span      7 days  
   first obs. used      2020-01-07  
   last obs. used      2020-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .36124  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-14 05:06:36  

Additional Information
 Jupiter MOID = 3.23459 au 
 T_jup = 4.814 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.732222013214119E-7 -4.019699178683378E-8 -3.260616669267613E-6 1.597480361560314E-6 2.469833447663568E-6 3.299578554078544E-6
q -4.019699178683378E-8 4.331672221122025E-9 3.504320473114858E-7 -1.720417662765431E-7 -2.669767819193919E-7 -3.554232496934883E-7
tp -3.260616669267613E-6 3.504320473114858E-7 2.872245386352714E-5 -1.395955771582463E-5 -2.126994479375568E-5 -2.881034455138074E-5
node 1.597480361560314E-6 -1.720417662765431E-7 -1.395955771582463E-5 6.841458364644093E-6 1.056331575281268E-5 1.412119594054233E-5
peri 2.469833447663568E-6 -2.669767819193919E-7 -2.126994479375568E-5 1.056331575281268E-5 1.674814127343834E-5 2.185773084713541E-5
i 3.299578554078544E-6 -3.554232496934883E-7 -2.881034455138074E-5 1.412119594054233E-5 2.185773084713541E-5 2.917274392847544E-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 25.5   .27827 E2020-AB0 autocmod 2.8

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