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(2021 BO2)
Classification: Apollo [NEO]          SPK-ID: 54106575
[ 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 2459232.5 (2021-Jan-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6281428305065107 0.0016461  
a 2.512703191160734 0.010765 au
q .9343666964422886 0.00014951 au
i 3.417293392149879 0.0067548 deg
node 114.7780366878326 0.0023323 deg
peri 328.4838591416016 0.022577 deg
M 6.534388867596165 0.043126 deg
tp 2459206.093387697242
(2020-Dec-22.59338770)		 0.0099153 TDB
period 1454.823185705205
3.98		 9.3495
0.0256		 d
yr
n .2474527513290181 0.0015903 deg/d
Q 4.09103968587918 0.017527 au
   Orbit Determination Parameters
   # obs. used (total)      12  
   data-arc span      1 day  
   first obs. used      2021-01-17  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .46508  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-20 09:42:02  

Additional Information
 Earth MOID = .00194054 au 
 Jupiter MOID = 1.19105 au 
 T_jup = 3.150 
[ 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 28.44   .43759 E2021-BA4 autocmod 2.8

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