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136922 Brianbauer (1998 HB152)
Classification: Main-belt Asteroid          SPK-ID: 2136922
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2536437455047298 3.2937e-08  
a 2.370686053660366 9.1706e-09 au
q 1.769376363594124 8.0842e-08 au
i 5.168175453763431 4.6519e-06 deg
node 238.2383412396884 3.941e-05 deg
peri 95.89774280755718 4.0595e-05 deg
M 293.06216864952 9.8212e-06 deg
tp 2459248.401201315391
(2021-Feb-02.90120132)
3.709e-05 TDB
period 1333.243558582973
3.65
7.7362e-06
2.118e-08
d
yr
n .2700181806110677 1.5668e-09 deg/d
Q 2.971995743726608 1.1497e-08 au
  Orbit Determination Parameters
   # obs. used (total)      794  
   data-arc span      8094 days (22.16 yr)  
   first obs. used      1998-04-19  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:32:01  

Additional Information
 Earth MOID = .768835 au 
 Jupiter MOID = 2.44342 au 
 T_jup = 3.495 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457189.5 (2015-Jun-16.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2525305684183388 3.2851e-08  
q 1.77365952198392 8.0527e-08 au
tp 2456579.589498904558
(2013-Oct-14.08949890)
3.2228e-05 TDB
node 238.410275753991 3.9472e-05 deg
peri 95.53570603010603 4.0669e-05 deg
i 5.161690887367995 4.646e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      794  
   data-arc span      8094 days (22.16 yr)  
   first obs. used      1998-04-19  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:32:01  

Additional Information
 Jupiter MOID = 2.44342 au 
 T_jup = 3.495 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.079201099377021E-15 -2.636800602949483E-15 1.864913787704007E-13 2.837523229127851E-15 6.34984736907025E-14 -1.379545400375023E-15
q -2.636800602949483E-15 6.484602859086881E-15 -4.122037480051669E-13 -6.649091790685162E-15 -1.370099694264557E-13 3.244500364107061E-15
tp 1.864913787704007E-13 -4.122037480051669E-13 1.038652084899723E-9 -1.118186311605196E-11 3.241171234506531E-10 3.071450399486532E-13
node 2.837523229127851E-15 -6.649091790685162E-15 -1.118186311605196E-11 1.558010359234287E-9 -1.554496602828815E-9 -3.436888739799438E-11
peri 6.34984736907025E-14 -1.370099694264557E-13 3.241171234506531E-10 -1.554496602828815E-9 1.653935213273285E-9 3.428768862420315E-11
i -1.379545400375023E-15 3.244500364107061E-15 3.071450399486532E-13 -3.436888739799438E-11 3.428768862420315E-11 2.158532860152581E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO436675  

136922 Brianbauer           Discovered 1998 Apr. 19 by M. W. Buie at the Anderson Mesa Station of the Lowell Observatory.
Brian A. Bauer (b. 1982) is a senior systems engineer at the Johns Hopkins University Applied Physics Laboratory, who performed a leading role in fault protection and spacecraft autonomy for the New Horizons mission to Pluto.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-05-29Last Updated: 2018-09-17

[ show close-approach data ]
Alternate Designations
 1998 HB152 = 1999 XS70 = 2006 PH1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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