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(2021 BH2)
Classification: Apollo [NEO]          SPK-ID: 54106572
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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3220279686064591 0.0013876  
a 1.183653821477137 0.0019961 au
q .8024841858135825 0.00031075 au
i 20.10029318403243 0.075424 deg
node 300.3546325057891 0.0042232 deg
peri 268.3954706356307 0.075825 deg
M 307.3728116183199 0.21071 deg
tp 2459302.261153146872
(2021-Mar-28.76115315)
0.10137 TDB
period 470.3655257686342
1.29
1.1898
0.003257
d
yr
n .7653622135927509 0.001936 deg/d
Q 1.564823457140692 0.0026389 au
  Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      2 days  
   first obs. used      2021-01-18  
   last obs. used      2021-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .43445  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-20 09:12:02  

Additional Information
 Earth MOID = .0387387 au 
 Jupiter MOID = 3.54627 au 
 T_jup = 5.244 
[ 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 25.80   .33009 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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