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36226 Mackerras (1999 UQ4)
Classification: Main-belt Asteroid          SPK-ID: 2036226
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09387010680709909 3.808e-08  
a 3.145185135111316 1.7933e-08 au
q 2.849946270550317 1.1715e-07 au
i 5.78114476135296 4.0175e-06 deg
node 164.2973475392701 3.9258e-05 deg
peri 356.9385266483928 4.4298e-05 deg
M 188.8456038197135 2.0937e-05 deg
tp 2460365.119719693247
(2024-Feb-24.61971969)
0.00012003 TDB
period 2037.359874310563
5.58
1.7425e-05
4.771e-08
d
yr
n .1766992687641024 1.5113e-09 deg/d
Q 3.440423999672316 1.9617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1539  
   data-arc span      9893 days (27.09 yr)  
   first obs. used      1993-09-14  
   last obs. used      2020-10-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:15:25  

Additional Information
 Earth MOID = 1.85905 au 
 Jupiter MOID = 1.53371 au 
 T_jup = 3.195 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457116.5 (2015-Apr-04.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08928597485136905 3.7368e-08  
q 2.86647427328038 1.1391e-07 au
tp 2456270.438289559979
(2012-Dec-08.93828956)
0.00012515 TDB
node 164.6818386695986 3.9591e-05 deg
peri 354.0571471810553 4.5281e-05 deg
i 5.751563685399846 4.0008e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1539  
   data-arc span      9893 days (27.09 yr)  
   first obs. used      1993-09-14  
   last obs. used      2020-10-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:15:25  

Additional Information
 Jupiter MOID = 1.53371 au 
 T_jup = 3.195 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.396370534971128E-15 -4.218349949106054E-15 -1.739438361381235E-14 1.633260169939109E-15 4.324760604955523E-16 -1.483921240754149E-16
q -4.218349949106054E-15 1.297473500775529E-14 6.424954618074297E-14 -8.547539453591282E-15 2.062098528803621E-14 6.540129681759896E-16
tp -1.739438361381235E-14 6.424954618074297E-14 1.566348072182613E-8 3.911180443761531E-12 2.767741920456691E-9 -1.531900256188006E-12
node 1.633260169939109E-15 -8.547539453591282E-15 3.911180443761531E-12 1.567472805255478E-9 -1.559145897764748E-9 -7.119798606365054E-12
peri 4.324760604955523E-16 2.062098528803621E-14 2.767741920456691E-9 -1.559145897764748E-9 2.050412294349217E-9 6.860671589048513E-12
i -1.483921240754149E-16 6.540129681759896E-16 -1.531900256188006E-12 -7.119798606365054E-12 6.860671589048513E-12 1.600613879375409E-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 13.77   n/a E2021B10  
diameter diameter 9.359 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

36226 Mackerras           Discovered 1999 Oct. 31 by L. Šarounová at Ondřejov.
Charles Mackerras (b. 1925), an authority on Janáček and other Slavonic composers, often conducts the Czech Philharmonic Orchestra. Of Australian parentage, he has been principal conductor of the BBC Symphony Orchestra and the Hamburg State Opera, and he conducted the inaugural concert at the Sydney Opera House.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030501/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1999 UQ4 = 1993 RV11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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