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(2021 AE2)
Classification: Apollo [NEO]          SPK-ID: 54104724
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .377921661683399 3.5782e-05  
a 1.616992068513003 9.6437e-05 au
q 1.005895739051692 2.1329e-06 au
i 1.064545482822154 8.4344e-05 deg
node 125.427542200114 0.00010524 deg
peri 333.5672816934552 9.4111e-05 deg
M 351.9751492104393 0.00066858 deg
tp 2459217.241513857457
(2021-Jan-02.74151386)
0.0001039 TDB
period 751.0351465381674
2.06
0.067188
0.000184
d
yr
n .4793384193261652 4.2882e-05 deg/d
Q 2.228088397974314 0.00013288 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      77 days  
   first obs. used      2020-12-05  
   last obs. used      2021-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .54594  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-08 13:48:53  

Additional Information
 Earth MOID = .0239699 au 
 Jupiter MOID = 2.95372 au 
 T_jup = 4.250 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459226.5 (2021-Jan-12.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3785859960133121 3.5673e-05  
q 1.005902218965917 2.1315e-06 au
tp 2459217.261289487597
(2021-Jan-02.76128949)
9.8593e-05 TDB
node 125.3847548887899 9.5344e-05 deg
peri 333.6330422638662 0.00010874 deg
i 1.066085541768475 8.4032e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      77 days  
   first obs. used      2020-12-05  
   last obs. used      2021-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .54594  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-08 13:48:53  

Additional Information
 Jupiter MOID = 2.95372 au 
 T_jup = 4.250 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.2725744220267E-9 7.603511253626617E-11 3.482276586882647E-9 -2.792002706631186E-9 -3.335290489215046E-9 2.996096838389088E-9
q 7.603511253626617E-11 4.543486902054034E-12 2.082259279810123E-10 -1.667488733686611E-10 -1.99176068311433E-10 1.790163565215876E-10
tp 3.482276586882647E-9 2.082259279810123E-10 9.720623416522958E-9 -7.585346462455178E-9 -8.970966914122129E-9 8.198692936972959E-9
node -2.792002706631186E-9 -1.667488733686611E-10 -7.585346462455178E-9 9.090543302000154E-9 4.410064803132204E-9 -6.667098903681115E-9
peri -3.335290489215046E-9 -1.99176068311433E-10 -8.970966914122129E-9 4.410064803132204E-9 1.182384434479229E-8 -7.758811659568012E-9
i 2.996096838389088E-9 1.790163565215876E-10 8.198692936972959E-9 -6.667098903681115E-9 -7.758811659568012E-9 7.061318102344889E-9

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 25.09   .48344 E2021D69 autocmod 2.8

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