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JPL Small-Body Database Browser
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(2020 AR1)
Classification: Apollo [NEO]          SPK-ID: 3976535
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 2458853.5 (2020-Jan-05.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4857095373381885 0.00089525  
a 1.788492967584808 0.0029389 au
q .9198048757665872 8.9758e-05 au
i .2072617111452091 0.00029989 deg
node 346.6120191237658 0.027338 deg
peri 160.3279976436368 0.022939 deg
M 346.2627628690994 0.037215 deg
tp 2458886.836974005631
(2020-Feb-07.33697401)
0.0081583 TDB
period 873.6335063352311
2.39
2.1534
0.005896
d
yr
n .4120721073418407 0.0010157 deg/d
Q 2.657181059403029 0.0043664 au
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      3 days  
   first obs. used      2020-01-04  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .4212  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-07 06:11:11  

Additional Information
 Earth MOID = .00126686 au 
 Jupiter MOID = 2.36213 au 
 T_jup = 3.934 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 8.014764066182665E-7 -8.030470053307025E-8 -7.285674072800038E-6 2.213274056589728E-5 -1.73158587575376E-5 2.677009009573552E-7
q -8.030470053307025E-8 8.056502485320749E-9 7.281565739142823E-7 -2.188996693723504E-6 1.703635854541334E-6 -2.687932008104067E-8
tp -7.285674072800038E-6 7.281565739142823E-7 6.655766495606897E-5 -.000206300210404147 .0001630008363386523 -2.423343462932795E-6
node 2.213274056589728E-5 -2.188996693723504E-6 -.000206300210404147 .0007473861722896455 -.0006219474266112144 7.126413471395998E-6
peri -1.73158587575376E-5 1.703635854541334E-6 .0001630008363386523 -.0006219474266112144 .0005261817992041563 -5.502477412059012E-6
i 2.677009009573552E-7 -2.687932008104067E-8 -2.423343462932795E-6 7.126413471395998E-6 -5.502477412059012E-6 8.993601335430974E-8

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 27.2   .3635 E2020A86 autocmod 2.8

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