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(2021 AK6)
Classification: Apollo [NEO]          SPK-ID: 54105559
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2415697681336012 0.00047387  
a 1.047650878689828 0.00049399 au
q .7945700988397627 0.00012219 au
i 19.61428143553002 0.036955 deg
node 112.8400766632296 0.0030896 deg
peri 267.264128139098 0.052456 deg
M 38.72019337048643 0.083875 deg
tp 2459158.373215022635
(2020-Nov-04.87321502)
0.061458 TDB
period 391.6726976733254
1.07
0.27703
0.0007585
d
yr
n .9191347830434122 0.00065009 deg/d
Q 1.300731658539893 0.00061333 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      4 days  
   first obs. used      2021-01-13  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .43088  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-17 06:07:03  

Additional Information
 Earth MOID = .0117156 au 
 Jupiter MOID = 4.15349 au 
 T_jup = 5.787 
[ 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 25.29   .42337 E2021B25 autocmod 2.8

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