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(2021 BW1)
Classification: Aten [NEO]          SPK-ID: 54106538
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .187373227618024 8.1217e-05  
a .8835072764284109 3.8614e-05 au
q .7179616664200098 0.00010313 au
i .897253674792228 0.00039483 deg
node 97.97854451678162 0.0016355 deg
peri 220.6663209726219 0.0031884 deg
M 237.1369089299645 0.019168 deg
tp 2459104.021977512615
(2020-Sep-11.52197751)
0.0093645 TDB
period 303.3287831192318
0.83
0.019886
5.444e-05
d
yr
n 1.186830990115738 7.7806e-05 deg/d
Q 1.049052886436812 4.5849e-05 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      36 days  
   first obs. used      2021-01-14  
   last obs. used      2021-02-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .57461  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-22 13:32:47  

Additional Information
 Earth MOID = .00105882 au 
 Jupiter MOID = 4.1314 au 
 T_jup = 6.699 
[ 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 26.5   .40396 E2021D54 autocmod 2.8

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