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JPL Small-Body Database Browser
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(2020 AT1)
Classification: Apollo [NEO]          SPK-ID: 3976536
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3016066202553277 0.0003983  
a 1.342547613023847 0.00068403 au
q .9376263649278666 5.7026e-05 au
i 3.42665488980401 0.0041124 deg
node 282.4145137022387 0.00067551 deg
peri 223.4773704875933 0.0047994 deg
M 176.9732794363762 0.1417 deg
tp 2458321.182484757851
(2018-Jul-21.68248476)
0.43711 TDB
period 568.189196738732
1.56
0.43424
0.001189
d
yr
n .6335917720124081 0.00048423 deg/d
Q 1.747468861119826 0.00089034 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      2 days  
   first obs. used      2020-01-05  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .76461  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-08 06:23:49  

Additional Information
 Earth MOID = .0062765 au 
 Jupiter MOID = 3.26944 au 
 T_jup = 4.843 
[ 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 27.6   .25872 E2020A92 autocmod 2.8

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