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24709 Mitau (1991 PE6)
Classification: Main-belt Asteroid          SPK-ID: 2024709
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1484304853684578 3.3074e-08  
a 3.054203256460355 1.6694e-08 au
q 2.60086638469002 9.8755e-08 au
i 2.626150190270988 4.0829e-06 deg
node 27.15370580832149 8.7662e-05 deg
peri 257.0790150857379 8.911e-05 deg
M 248.4609977509528 1.8467e-05 deg
tp 2460000.545405284807
(2023-Feb-25.04540528)
0.00010229 TDB
period 1949.599167266964
5.34
1.5985e-05
4.376e-08
d
yr
n .1846533410786507 1.514e-09 deg/d
Q 3.50754012823069 1.9172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1980  
   data-arc span      10866 days (29.75 yr)  
   first obs. used      1991-08-06  
   last obs. used      2021-05-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46418  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:03:10  

Additional Information
 Earth MOID = 1.5858 au 
 Jupiter MOID = 1.65175 au 
 T_jup = 3.217 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456932.5 (2014-Oct-02.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526140104960952 3.3341e-08  
q 2.584316570107402 9.9916e-08 au
tp 2456099.121999920449
(2012-Jun-20.62199992)
8.8233e-05 TDB
node 27.2806587279258 8.7837e-05 deg
peri 256.3468455257502 8.9197e-05 deg
i 2.627124442294342 4.0781e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1980  
   data-arc span      10866 days (29.75 yr)  
   first obs. used      1991-08-06  
   last obs. used      2021-05-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46418  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:03:10  

Additional Information
 Jupiter MOID = 1.65175 au 
 T_jup = 3.217 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.111597704722124E-15 -3.300598687952424E-15 6.902991696565314E-13 1.640962221967785E-15 1.454347949975314E-13 4.445523662948798E-16
q -3.300598687952424E-15 9.983248644922637E-15 -1.876707726015257E-12 -3.769251324073592E-15 -3.895032045203511E-13 -1.178829129553363E-15
tp 6.902991696565314E-13 -1.876707726015257E-12 7.78510259974807E-9 -1.399067708022765E-12 1.391439698121033E-9 1.840870651944784E-12
node 1.640962221967785E-15 -3.769251324073592E-15 -1.399067708022765E-12 7.715276824181592E-9 -7.706949068972001E-9 -1.063827158496302E-10
peri 1.454347949975314E-13 -3.895032045203511E-13 1.391439698121033E-9 -7.706949068972001E-9 7.956132360965647E-9 1.065928524848767E-10
i 4.445523662948798E-16 -1.178829129553363E-15 1.840870651944784E-12 -1.063827158496302E-10 1.065928524848767E-10 1.663118529454223E-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 13.50   n/a MPCxxxxx  
diameter diameter 9.107 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24709 Mitau           Discovered 1991 Aug. 6 by E. W. Elst at the European Southern Observatory.
Mitau is the ancient name of the Latvian city of Jelgava. It grew around a fortress established by Livonian Knights in the thirteenth century. In 1561 the city became the residence of the dukes of Courland.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070601/MPCPages.arcLast Updated: 2007-06-06

[ show close-approach data ]
Alternate Designations
 1991 PE6 = 1997 UW2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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