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(2020 TB12)
Classification: Apollo [NEO]          SPK-ID: 54092465
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5197906588517442 3.8787e-06  
a 2.027596061921795 1.6248e-05 au
q .9736705690102633 6.4267e-08 au
i 8.914818029067755 4.6225e-05 deg
node 126.8273610364847 1.5761e-05 deg
peri 353.9603859814488 1.5919e-05 deg
M 347.1941809762406 0.0001491 deg
tp 2459238.012451299176
(2021-Jan-23.51245130)
1.5457e-05 TDB
period 1054.558278751853
2.89
0.012676
3.47e-05
d
yr
n .3413751589206491 4.1034e-06 deg/d
Q 3.081521554833327 2.4694e-05 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      134 days  
   first obs. used      2020-10-15  
   last obs. used      2021-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .40534  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-27 05:51:07  

Additional Information
 Earth MOID = .00905642 au 
 Jupiter MOID = 2.02715 au 
 T_jup = 3.620 
[ 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 22.16   .53395 E2021D77 autocmod 2.8

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