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(2021 BP2)
Classification: Apollo [NEO]          SPK-ID: 54106578
[ 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 2459233.5 (2021-Jan-19.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5695581938179872 0.0014314  
a 1.811631909306347 0.0052281 au
q .7798021111787924 0.0003428 au
i 2.015618416503385 0.0041785 deg
node 301.0756099710245 0.0011886 deg
peri 244.6716708646124 0.0029672 deg
M 342.1192917414753 0.090377 deg
tp 2459277.736991726978
(2021-Mar-04.23699173)		 0.032103 TDB
period 890.6424058521043
2.44		 3.8554
0.01056		 d
yr
n .4042026268169628 0.0017497 deg/d
Q 2.843461707433902 0.0082059 au
   Orbit Determination Parameters
   # obs. used (total)      14  
   data-arc span      2 days  
   first obs. used      2021-01-18  
   last obs. used      2021-01-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .40705  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:24:15  

Additional Information
 Earth MOID = 2.95527E-5 au 
 Jupiter MOID = 2.12159 au 
 T_jup = 3.842 
[ 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 27.92   .35491 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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