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JPL Small-Body Database Browser
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(2020 AC1)
Classification: Aten [NEO]          SPK-ID: 3973542
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2196829927272255 0.00018863  
a .8599008033485138 7.9862e-05 au
q .6709952214203669 0.00022452 au
i 6.000861511785902 0.005973 deg
node 282.4722484330172 0.00030332 deg
peri 38.411599418405 0.0021526 deg
M 307.2705320213784 0.010831 deg
tp 2459043.160097883637
(2020-Jul-12.66009788)		 0.014699 TDB
period 291.2533698298612
0.80		 0.040574
0.0001111		 d
yr
n 1.236037200909633 0.00017219 deg/d
Q 1.048806385276661 9.7406e-05 au
   Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      10 days  
   first obs. used      2020-01-04  
   last obs. used      2020-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .45939  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-14 05:05:44  

Additional Information
 Earth MOID = .00292379 au 
 Jupiter MOID = 4.16506 au 
 T_jup = 6.840 
[ 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 28.4   .28005 E2020A86 autocmod 2.8

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