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(2021 AA1)
Classification: Aten [NEO]          SPK-ID: 54104276
[ 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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .152446490409402 0.0003408  
a .9806965833841119 0.00022921 au
q .8311928310907126 0.00013998 au
i 17.26532157611152 0.053507 deg
node 286.0294025999216 0.00020846 deg
peri 303.5195583543718 0.065917 deg
M 231.1637151383872 0.1199 deg
tp 2459327.450995994404
(2021-Apr-22.95099599)		 0.073638 TDB
period 354.7320431280343
0.97		 0.12436
0.0003405		 d
yr
n 1.014850524428278 0.00035579 deg/d
Q 1.130200335677511 0.00026416 au
   Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      8 days  
   first obs. used      2021-01-04  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .43201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:22:31  

Additional Information
 Earth MOID = .0560654 au 
 Jupiter MOID = 3.91211 au 
 T_jup = 6.125 
[ 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 26.10   .38723 E2021-AE8 autocmod 2.8

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