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(2021 BS3)
Classification: Aten [NEO]          SPK-ID: 54110047
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3768600528573109 5.8452e-05  
a .7818549266992635 1.8283e-05 au
q .4872050376966301 5.7094e-05 au
i 13.48352894872338 0.0032323 deg
node 143.0411370879141 5.195e-05 deg
peri 160.2502755604792 0.00029158 deg
M 138.8659556323077 0.0018694 deg
tp 2459103.095060939367
(2020-Sep-10.59506094)
0.0021079 TDB
period 252.5152972314962
0.69
0.0088572
2.425e-05
d
yr
n 1.425656203592157 5.0006e-05 deg/d
Q 1.076504815701897 2.5173e-05 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      35 days  
   first obs. used      2021-01-17  
   last obs. used      2021-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .52153  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-28 05:51:48  

Additional Information
 Earth MOID = .0361241 au 
 Jupiter MOID = 4.15185 au 
 T_jup = 7.353 
[ 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 23.73   .46978 E2021D74 autocmod 2.8

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