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(2020 AX2)
Classification: Apollo [NEO]          SPK-ID: 3986628
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3020174496554871 0.00061782  
a 1.353820392317173 0.0011064 au
q .9449430101379497 6.4213e-05 au
i 3.160327069960641 0.005405 deg
node 114.9837812134847 0.0028379 deg
peri 36.87583461209618 0.0027874 deg
M 191.6446864887792 0.23101 deg
tp 2459469.569412940708
(2021-Sep-12.06941294)
0.69904 TDB
period 575.3604483187216
1.58
0.7053
0.001931
d
yr
n .6256947293682891 0.000767 deg/d
Q 1.762697774496397 0.0014405 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .36124  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:13:30  

Additional Information
 Earth MOID = .00258907 au 
 Jupiter MOID = 3.23364 au 
 T_jup = 4.815 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458856.5 (2020-Jan-08.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3037971460212445 0.00061092  
q .9454976620945729 6.5815e-05 au
tp 2458893.964238326806
(2020-Feb-14.46423833)
0.0053593 TDB
node 115.0228723052391 0.0026156 deg
peri 36.61155981099034 0.0040924 deg
i 3.159843486396055 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .36124  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:13:30  

Additional Information
 Jupiter MOID = 3.23364 au 
 T_jup = 4.815 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.732221977452406E-7 -4.019699017232612E-8 -3.260616502870769E-6 1.597480839973563E-6 2.469832976953854E-6 3.299578504580721E-6
q -4.019699017232612E-8 4.331671914767999E-9 3.504320186592242E-7 -1.720418125465519E-7 -2.669767230665948E-7 -3.554232334932649E-7
tp -3.260616502870769E-6 3.504320186592242E-7 2.872245122968809E-5 -1.395956131521452E-5 -2.126993978908779E-5 -2.881034292409088E-5
node 1.597480839973563E-6 -1.720418125465519E-7 -1.395956131521452E-5 6.841462525181092E-6 1.056331700796452E-5 1.412120009376571E-5
peri 2.469832976953854E-6 -2.669767230665948E-7 -2.126993978908779E-5 1.056331700796452E-5 1.674813519338816E-5 2.185772656705602E-5
i 3.299578504580721E-6 -3.554232334932649E-7 -2.881034292409088E-5 1.412120009376571E-5 2.185772656705602E-5 2.91727433327848E-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

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