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(2020 DR2)
Classification: Apollo [NEO, PHA]          SPK-ID: 3994619
[ 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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6906038967532671 1.1011e-05  
a 2.282790419772821 8.4096e-05 au
q .7062864604066845 1.2631e-06 au
i 19.73689217311903 0.00027466 deg
node 168.955745934812 0.00017216 deg
peri 252.5509285433413 0.00052207 deg
M 100.6471532524734 0.0056684 deg
tp 2458848.294216110142
(2019-Dec-30.79421611)		 0.00037387 TDB
period 1259.788062582217
3.45		 0.069614
0.0001906		 d
yr
n .2857623521706497 1.5791e-05 deg/d
Q 3.859294379138957 0.00014217 au
   Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      61 days  
   first obs. used      2020-02-20  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .34453  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:20:00  

Additional Information
 Earth MOID = .00992587 au 
 Jupiter MOID = 2.07122 au 
 T_jup = 3.181 
[ 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 18.8   .31864 E2020H95 autocmod 2.8

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