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JPL Small-Body Database Browser
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(2020 JA)
Classification: Apollo [NEO]          SPK-ID: 54016946
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7712574154607746 0.00063058  
a 3.151213249060671 0.0081622 au
q .7208166630243874 0.00012009 au
i 5.88508540555675 0.0034222 deg
node 43.86134997437492 8.1398e-05 deg
peri 249.6780397187607 0.0017548 deg
M 67.25432665544143 0.25888 deg
tp 2459014.790608229191
(2020-Jun-14.29060823)
0.013732 TDB
period 2043.219936488252
5.59
7.9384
0.02173
d
yr
n .1761924859732641 0.00068455 deg/d
Q 5.581609835096954 0.014457 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      2 days  
   first obs. used      2020-05-01  
   last obs. used      2020-05-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .61438  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:31:50  

Additional Information
 Earth MOID = .000122476 au 
 Jupiter MOID = .445238 au 
 T_jup = 2.637 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458971.5 (2020-May-02.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7781214638657411 0.00062348  
q .7244693992312633 0.00012751 au
tp 2459014.448643145047
(2020-Jun-13.94864315)
0.012789 TDB
node 43.87783757888349 6.5207e-05 deg
peri 248.8926491743276 0.00031418 deg
i 5.794383706452602 0.003547 deg
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      2 days  
   first obs. used      2020-05-01  
   last obs. used      2020-05-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .61438  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:31:50  

Additional Information
 Jupiter MOID = .445238 au 
 T_jup = 2.637 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.887308254710813E-7 -7.948770391556203E-8 -7.973398893484375E-6 3.144397553337701E-8 -3.296918463150184E-8 2.211246540051648E-6
q -7.948770391556203E-8 1.625832977183644E-8 1.630264715219026E-6 -6.345885434424086E-9 6.071912407525434E-9 -4.522500482243025E-7
tp -7.973398893484375E-6 1.630264715219026E-6 .0001635493282483955 -6.472999207860022E-7 6.957411359295729E-7 -4.535298025885545E-5
node 3.144397553337701E-8 -6.345885434424086E-9 -6.472999207860022E-7 4.252001879717871E-9 -1.476014513172353E-8 1.768929176620984E-7
peri -3.296918463150184E-8 6.071912407525434E-9 6.957411359295729E-7 -1.476014513172353E-8 9.870853090365771E-8 -1.738235687357416E-7
i 2.211246540051648E-6 -4.522500482243025E-7 -4.535298025885545E-5 1.768929176620984E-7 -1.738235687357416E-7 1.258113329402776E-5

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   .39906 MPO545533 autocmod 2.8

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