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(2021 AA6)
Classification: Aten [NEO]          SPK-ID: 54105522
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3924261233077727 0.00048529  
a .898388411276864 0.00010013 au
q .5458373298148553 0.00037517 au
i 14.39828672773989 0.02412 deg
node 295.8164587708098 0.00096436 deg
peri 307.1788617136372 0.0040046 deg
M 8.449409976597636 0.11191 deg
tp 2458993.200072936021
(2020-May-23.70007294)
0.097905 TDB
period 311.0245271931403
0.85
0.051996
0.0001424
d
yr
n 1.157464985957351 0.0001935 deg/d
Q 1.250939492738873 0.00013942 au
  Orbit Determination Parameters
   # obs. used (total)      39  
   data-arc span      5 days  
   first obs. used      2021-01-12  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .36375  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-28 06:47:31  

Additional Information
 Earth MOID = .00645526 au 
 Jupiter MOID = 3.81252 au 
 T_jup = 6.532 
[ 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 26.8   .36322 E2021D54 autocmod 2.8

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