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JPL Small-Body Database Browser
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(2020 BW8)
Classification: Apollo [NEO]          SPK-ID: 3989201
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3063942560946392 0.0004849  
a 1.270725973448349 0.00067871 au
q .8813828341135057 0.00014543 au
i 2.38981286091278 0.0035781 deg
node 304.3033129996099 0.0010963 deg
peri 111.9034428569795 0.0062972 deg
M 126.3075382418065 0.10779 deg
tp 2458816.929429663187
(2019-Nov-29.42942966)
0.0095888 TDB
period 523.210302735352
1.43
0.41918
0.001148
d
yr
n .6880598453774975 0.00055126 deg/d
Q 1.660069112783192 0.00088667 au
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      23 days  
   first obs. used      2020-01-22  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .41972  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-14 04:59:11  

Additional Information
 Earth MOID = .00841247 au 
 Jupiter MOID = 3.68433 au 
 T_jup = 5.035 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458880.5 (2020-Feb-01.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3065082799206548 0.00048457  
q .8813018112704489 0.00014497 au
tp 2458816.941974400439
(2019-Nov-29.44197440)
0.0095698 TDB
node 304.3072503594086 0.0010729 deg
peri 111.9005856935304 0.0062437 deg
i 2.390256318287594 0.0035767 deg
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      23 days  
   first obs. used      2020-01-22  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .41972  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-14 04:59:11  

Additional Information
 Jupiter MOID = 3.68433 au 
 T_jup = 5.035 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.348040034904235E-7 -7.024241294838715E-8 4.63630885068839E-6 5.188895616179936E-7 -3.024087982970871E-6 1.732956577529431E-6
q -7.024241294838715E-8 2.101611842058542E-8 -1.38712139003647E-6 -1.551922918426279E-7 9.047865499750889E-7 -5.183538576084345E-7
tp 4.63630885068839E-6 -1.38712139003647E-6 9.158191967475622E-5 1.024216218982808E-5 -5.969134605405402E-5 3.42111903863202E-5
node 5.188895616179936E-7 -1.551922918426279E-7 1.024216218982808E-5 1.151175346526817E-6 -6.686962056441167E-6 3.831539259460574E-6
peri -3.024087982970871E-6 9.047865499750889E-7 -5.969134605405402E-5 -6.686962056441167E-6 3.898334824627503E-5 -2.232040733036381E-5
i 1.732956577529431E-6 -5.183538576084345E-7 3.42111903863202E-5 3.831539259460574E-6 -2.232040733036381E-5 1.279257158681175E-5

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 25.964   .53638 6 autocmod 2.8

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