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JPL Small-Body Database Browser
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(2009 BH2)
Classification: Aten [NEO]          SPK-ID: 3444370
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4757612851633623 3.4064e-06  
a .814221879191077 1.5918e-08 au
q .4268466315390023 2.7652e-06 au
i 23.19170229679894 0.00026168 deg
node 117.1002996494798 2.3806e-05 deg
peri 220.9897049137197 2.0439e-05 deg
M 267.6201819507657 0.00045797 deg
tp 2459069.363196981978
(2020-Aug-07.86319698)
0.0003434 TDB
period 268.3567843822734
0.73
7.8693e-06
2.154e-08
d
yr
n 1.341497666357416 3.9338e-08 deg/d
Q 1.201597126843152 2.349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      4027 days (11.03 yr)  
   first obs. used      2009-01-17  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .38195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:34:08  

Additional Information
 Earth MOID = .000539808 au 
 Jupiter MOID = 4.19489 au 
 T_jup = 7.030 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457459.5 (2016-Mar-12.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4759809572504534 3.3906e-06  
q .4265090176856559 2.7594e-06 au
tp 2457460.049097639330
(2016-Mar-12.54909764)
0.00029815 TDB
node 117.1201279812087 2.3814e-05 deg
peri 220.9305095574334 1.9801e-05 deg
i 23.19454338132359 0.00026186 deg
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      4027 days (11.03 yr)  
   first obs. used      2009-01-17  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .38195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:34:08  

Additional Information
 Jupiter MOID = 4.19489 au 
 T_jup = 7.030 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.149595083408704E-11 -9.356081699314075E-12 1.01052321852346E-9 7.112328268652363E-11 -5.685663508346662E-11 8.573469323831074E-10
q -9.356081699314075E-12 7.614530921259293E-12 -8.224292441693049E-10 -5.788726830954337E-11 4.627116454093447E-11 -6.977455540731916E-10
tp 1.01052321852346E-9 -8.224292441693049E-10 8.889602148820081E-8 6.272499159657677E-9 -4.962145886795805E-9 7.519159148586268E-8
node 7.112328268652363E-11 -5.788726830954337E-11 6.272499159657677E-9 5.671281517233536E-10 -4.442878016873377E-10 5.893091210537514E-9
peri -5.685663508346662E-11 4.627116454093447E-11 -4.962145886795805E-9 -4.442878016873377E-10 3.920631622894089E-10 -4.884593444714538E-9
i 8.573469323831074E-10 -6.977455540731916E-10 7.519159148586268E-8 5.893091210537514E-9 -4.884593444714538E-9 6.856910649685494E-8

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 22.4   n/a MPO154228  

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