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(2021 AE2)
Classification: Apollo [NEO]          SPK-ID: 54104724
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3775339784458809 3.7789e-05  
a 1.615954388412629 0.0001015 au
q 1.005876699168129 2.1147e-06 au
i 1.059633388121689 8.5419e-05 deg
node 124.9963078210968 0.00054942 deg
peri 334.0310081478166 0.00039512 deg
M 255.9863901993685 0.0097413 deg
tp 2459217.285256396142
(2021-Jan-02.78525640)
0.00012264 TDB
period 750.3123144384631
2.05
0.070691
0.0001935
d
yr
n .4798002019591342 4.5205e-05 deg/d
Q 2.226032077657129 0.00013982 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   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      6  
   norm. resid. RMS      .54615  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-20 05:21:09  

Additional Information
 Earth MOID = .0240728 au 
 Jupiter MOID = 2.95551 au 
 T_jup = 4.252 
[ show covariance matrix ]

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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