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(2021 BU1)
Classification: Apollo [NEO]          SPK-ID: 54106536
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459231.5 (2021-Jan-17.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5829177419541537 0.0012836  
a 2.337551099839684 0.0071696 au
q .9749510910186869 1.0155e-05 au
i 5.985919257066715 0.0096828 deg
node 118.6756650994102 0.00055957 deg
peri 31.8044273808052 0.0052456 deg
M 352.5038357672277 0.035827 deg
tp 2459258.681704652730
(2021-Feb-13.18170465)
0.0048622 TDB
period 1305.389446005226
3.57
6.0057
0.01644
d
yr
n .2757797690962478 0.0012688 deg/d
Q 3.700151108660681 0.011349 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      8 days  
   first obs. used      2021-01-15  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .46852  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-27 06:47:50  

Additional Information
 Earth MOID = .024202 au 
 Jupiter MOID = 1.32271 au 
 T_jup = 3.309 
[ 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 26.28   .21854 E2021-BD8 autocmod 2.8

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