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(2021 AC6)
Classification: Apollo [NEO]          SPK-ID: 54105525
[ 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 .3249536144800789 0.00050057  
a 1.270743779777373 0.00084887 au
q .8578109954606384 6.3135e-05 au
i 20.79077779403247 0.023092 deg
node 299.4259901613734 0.00083014 deg
peri 245.7274788015773 0.022131 deg
M 164.4181908402043 0.21619 deg
tp 2458761.535834489729
(2019-Oct-05.03583449)		 0.55366 TDB
period 523.221300174176
1.43		 0.52428
0.001435		 d
yr
n .6880453832444493 0.00068943 deg/d
Q 1.683676564094108 0.0011247 au
   Orbit Determination Parameters
   # obs. used (total)      45  
   data-arc span      6 days  
   first obs. used      2021-01-12  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .39403  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-19 05:21:35  

Additional Information
 Earth MOID = .0149596 au 
 Jupiter MOID = 3.41991 au 
 T_jup = 4.969 
[ 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 25.3   .40741 E2021D54 autocmod 2.8

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