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(2021 AY6)
Classification: Apollo [NEO]          SPK-ID: 54105995
[ 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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4136149664750405 0.00047902  
a 1.700769283807491 0.0014142 au
q .9973056535036771 1.4598e-05 au
i 7.840686906239704 0.0071099 deg
node 296.21159589678 0.00022899 deg
peri 172.9764130521781 0.00081156 deg
M 349.2827973139734 0.012924 deg
tp 2459224.618232424391
(2021-Jan-10.11823242)		 0.0011952 TDB
period 810.1520450015549
2.22		 1.0105
0.002767		 d
yr
n .4443610334888546 0.00055425 deg/d
Q 2.404232914111306 0.0019992 au
   Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      3 days  
   first obs. used      2021-01-14  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .65423  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-21 05:19:42  

Additional Information
 Earth MOID = .0154109 au 
 Jupiter MOID = 2.74023 au 
 T_jup = 4.091 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459229.5 (2021-Jan-15.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4146403111048182 0.00047726  
q .9973265417313992 1.4544e-05 au
tp 2459224.732025954039
(2021-Jan-10.23202595)		 0.00090556 TDB
node 296.1736280144918 0.00034773 deg
peri 173.1501255229379 0.00079913 deg
i 7.874029981756345 0.0070318 deg
   Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      3 days  
   first obs. used      2021-01-14  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .65423  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-21 05:19:42  

Additional Information
 Jupiter MOID = 2.74023 au 
 T_jup = 4.091 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.277787047937372E-7 6.936516701799123E-9 3.039402370935728E-7 1.6586463960496E-7 -1.225392992463757E-7 3.355643632129228E-6
q 6.936516701799123E-9 2.115233954234159E-10 9.594820060541968E-9 5.053624647920174E-9 -3.33342118792015E-9 1.022354115568236E-7
tp 3.039402370935728E-7 9.594820060541968E-9 8.200315913672356E-7 2.240776828726638E-7 3.236350400996959E-7 4.530425264136732E-6
node 1.6586463960496E-7 5.053624647920174E-9 2.240776828726638E-7 1.209167606287115E-7 -8.610725116869831E-8 2.443561009616738E-6
peri -1.225392992463757E-7 -3.33342118792015E-9 3.236350400996959E-7 -8.610725116869831E-8 6.386101339361047E-7 -1.742870437373795E-6
i 3.355643632129228E-6 1.022354115568236E-7 4.530425264136732E-6 2.443561009616738E-6 -1.742870437373795E-6 4.944585194700663E-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 28.15   .48671 E2021-BA4 autocmod 2.8

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