Epoch Date Age Analysis

From: sattrack@hal-pc.org
Date: Tue Oct 15 2002 - 14:46:29 EDT

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    ******************************************************************
    
     Epoch Date Age Analysis Tuesday, 15-Oct-2002, day 288, 12:35 CDT
    
    ******************************************************************
    
    VISUAL.TXT - Updated daily.
    
    http://celestrak.com/NORAD/elements/visual.txt
    
    Today's Epoch Date    12    8.8%  COSMOS 426 R/B, AUREOLE 1 R/B, DELTA 1 R/B,
                                      COSMOS 807 R/B, COSMOS 1689 R/B,
                                      DELTA 2 R/B(1), COSMOS 2098 R/B,
                                      COSMOS 2180 R/B, COSMOS 2228, SL-16 R/B,
                                      ORBVIEW 2 (SEAST, ISS (ZARYA)
    One (1) Day Old       55   40.4%
    Two (2) Days Old      26   19.1%  SL-3 R/B, OAO 2, ISIS 1, COSMOS 389,
                                      METEOR 1-7, SL-3 R/B, SL-3 R/B,
                                      SL-3 R/B, COSMOS 1271 R/B, METEOR PRIRODA,
                                      COSMOS 1315 R/B, COSMOS 1484 R/B,
                                      COSMOS 1656 R/B(, COSMOS 1862 R/B,
                                      COSMOS 1933, COSMOS 1939 R/B, COSMOS 2058,
                                      COSMOS 2082 R/B, COSMOS 2106 R/B,
                                      INFORMATOR 1 R/B, OKEAN 3, COSMOS 2151 R/B,
                                      COSMOS 2237 R/B, COSMOS 2263 R/B, SL-16 R/B,
                                      SL-16 R/B
    Three (3) Days Old    21   15.4%  COSMOS 158 R/B, COSMOS 220 R/B,
                                      METEOR 1-4, COSMOS 405 R/B, ASTEX 1,
                                      ATLAS CENTAUR R/, COSMOS 1151 R/B,
                                      COSMOS 1340 R/B, COSMOS 1400 R/B,
                                      COSMOS 1484, COSMOS 1908 R/B,
                                      COSMOS 1954 R/B, INTERCOSMOS 24 R,
                                      OKEAN 2 R/B, COSMOS 2084,
                                      ERS-1 R/B, INTERCOSMOS 25 R, SPOT 3 R/B,
                                      RESURS O1 R/B, ARIANE 4 R/B,
                                      OKEAN O
    Four (4) Days Old      9    6.6%  SERT 2, COSMOS 660 R/B, COSMOS 1536,
                                      COSMOS 1544 R/B, SL-8 R/B, COSMOS 1825 R/B,
                                      COSMOS 1867, COSMOS 1953, SL-16 R/B
    Five (5) Days Old     13    9.6%  COSMOS 389 R/B, SL-8 R/B, SL-3 R/B,
                                      SL-14 R/B, COSMOS 1975 R/B, COSMOS 2297 R/B,
                                      SL-08 R/B, CSL-04 R/B, SL-16 R/B, CORONAS F,
                                      SL-14 R/B, ENVISAT, IDEFIX/ARIANE 42
                          ---
                          136
    
    Percentage of VISUAL.TXT one week old or less = 100.0%
    
    ******************************************************************
    
    KEPELE.TLE - Updated daily.
    
    http://sattrackhouston.com/kepele.zip
    
    Today's Epoch Date   175   30.9%
    One (1) Day Old      339   59.9%
    Two (2) Days Old      14    2.5%  RS-15, Meteosat 5, GOES 7, Insat 1D,
                                      Insat 2C, Insat 3B, FengYun 2A,
                                      FengYun 2B, AMC 2, Cos 1143 r, IUE,
                                      Solidaridad 2, Telstar 6, XML
    Three (3) Days Old     7    1.2%  Meteosat 3, Meteosat 6, Elektro,
                                      Echostar 3, Envisat r, FengYun 1D r,
                                      Irid 12
    Four (4) Days Old      7    1.2%  GOES 2, GOES 9, Anik E2, IntlSat 503 r,
                                      Intlsat 4-3 r, TDF 1, TDRS 7
    Five (5) Days Old      7    1.2%  Quikscat, Cos 2135 r, Cos 2282,
                                      Galaxy 11, Gorizont 23, Met 3M rFf,
                                      XMM
    Six (6) Days Old       8    1.4%  ASC 1, Cos 1808 r, Cos 2230 r, IRS P2,
                                      MOS 1B, Met 1-25, NOAA 08, Pegasus r
    Seven (7) Days Old     4     .7%  Insat 2E, Irid 83, Met 1-12 r, Met 1-23 r
    Older Than One Week    5     .9%  AO-10, Glblstar 24 r, Intsat 512 f,
                                      Superbird A, TDRS 1
                          ---
                          566
    
    Percentage of KEPELE.TLE one week old or less =  99.1%
    
    ******************************************************************
    
    TLE287.TXT
    
    ftp://ftp.dransom.com/current.data/tle287.zip
    ftp://ftp.dransom.com/current.data/
    
    One (1) Day Old       17    1.8%  Terra, Landsat 7, Orbcomm FM 23,
                                      Orbcomm FM 21, IRIDIUM 54, IRIDIUM 53,
                                      IRIDIUM 43, IRIDIUM 33, IRIDIUM 32,
                                      OrbView 2 (SeaSt, Raduga 30, Raduga 29,
                                      Cosmos 2233, Cosmos 2228, COSMOS 1726 R/B,
                                      COSMOS 1697 R/B, ERBS
    Two (2) Days Old     273   28.8%
    Three (3) Days Old   149   15.7%
    Four (4) Days Old    103   10.9%
    Five (5) Days Old    311   32.8%
    Six (6) Days Old      48    5.1%
    Seven (7) Days Old    16    1.7%  Image, Telkom 1, Insat 2E, Skynet 4E,
                                      IRIDIUM 83, AMC 1, N-Star 2, Gorizont 30,
                                      Intelsat 701, GPS BIIA-17, NSS K,
                                      Molniya 3-40, NATO 4A, Insat 1D, Skynet 4A,
                                      LES 9
    Older Than One Week   32    3.4%  STRV 1C, HETE-2, DELTA 2 R/B(2),
                                      Hot Bird 5, Cosmos 2350, Hot Bird 4,
                                      TEAMSAT, Hot Bird 3, JCSAT 4, Hot Bird 2,
                                      Cosmos 2319, JCSAT 3, Koreasat 1,
                                      Hot Bird 1, Molniya 3-46,
                                      STRV 1B, STRV 1A, Gorizont 29,
                                      Molniya 3-45, TDRS 6,
                                      GPS BIIA-16, GPS BIIA-14, Eutelsat II F3,
                                      Molniya 3-39, Eutelsat II F1,
                                      Cosmos 2085, AsiaSat 1, GPS BII-02, GOES 7,
                                      OSCAR 10, TDRS 1, Marisat 3
                          ---
                          949
    
    Percentage of TLE287.TXT one week old or less =  96.6%
    
    ******************************************************************
    
    MCCANTS.TLE
    
    http://users2.ev1.net/~mmccants/tles/mccants.zip
    
    One (1) Day Old      209   12.9%
    Two (2) Days Old     250   15.4%
    Three (3) Days Old   120    7.4%
    Four (4) Days Old     75    4.6%
    Five (5) Days Old    158    9.7%
    Six (6) Days Old     446   27.5%
    Seven (7) Days Old   283   17.4%
    Older Than One Week   70    4.3%
    Previous Years        11     .1%  USA 39 (DSP), USA 56 r, DSP 15 (USA65),
                                      DSP 16 (USA75), USA 103, Milstar DFS 2,
                                      USA 125 r2, Unknown 000601, Unknown 98002,
                                      GEO331, GEO337(VORTEX)
                          ---
                         1622
    
    Percentage of MCCANTS.TLE one week old or less =  95.0%
    
    ******************************************************************
    
    SPECIAL.TXT - Updated daily.
    
    NASA/GSFC OIG Special Interest Group TLE's combined.
    
    Amateur/Geosynchronous/Globalstar/High Interest/
    Iridium/Navigation/ORBCOMM/Visible/Weather
    
    http://oig1.gsfc.nasa.gov/scripts/foxweb.exe/app01?
    http://sattrackhouston.com/special.tle
    
    Today's Epoch Date   254   16.7%
    One (1) Day Old      592   38.9%
    Two (2) Days Old     145    9.5%
    Three (3) Days Old    97    6.4%
    Four (4) Days Old     70    4.6%
    Five (5) Days Old     81    5.3%
    Six (6) Days Old      65    4.3%
    Seven (7) Days Old    41    2.7%
    Older Than One Week  164   10.8%
    Previous Years        11     .1%  Syncom 1, Syncom 2, Syncom 3, OPS 9321 rJ,
                                      ERS 21, Intelsat 3-3, OPS 0757,
                                      Intelsat 3-7, ECS 1/AYAME 1, Ayame 2,
                                      Ekran 5
                          ---
                         1520
    
    Percentage of SPECIAL.TXT one week old or less =  88.5%
    
    ******************************************************************
    
    TL021014.TXT
    
    ftp://ftp.dransom.com/current.data/tle021014.zip
    ftp://ftp.dransom.com/current.data/
    
    One (1) Day Old      210   12.3%
    Two (2) Days Old     367   21.5%
    Three (3) Days Old   205   12.0%
    Four (4) Days Old    172   10.1%
    Five (5) Days Old    354   20.8%
    Six (6) Days Old     117    6.9%
    Seven (7) Days Old    58    3.4%
    Older Than One Week  223   13.1%
                          ---
                         1706
    
    Percentage of TL021014.TXT one week old or less =  86.9%
    
    ******************************************************************
    
    SATBASE.TLE - Updated 2-3 times/week.
    
    http://www.wingar.demon.co.uk/satevo/tle/satbase.zip
    
    Today's Epoch Date   615    7.4%
    One (1) Day Old     1421   17.0%
    Two (2) Days Old     745    8.9%
    Three (3) Days Old   875   10.5%
    Four (4) Days Old    737    8.8%
    Five (5) Days Old    827    9.9%
    Six (6) Days Old    1134   13.6%
    Seven (7) Days Old   808    9.7%
    Older Than One Week 1175   14.1%
    Previous Years        10    <.1%  USA 39 (DSP), USA 56 r, DSP 16 (USA75),
                                      USA 103, Milstar DFS 2, USA 125 r2,
                                      Unknown 000601, Unknown 98002, GEO331,
                                      GEO337(VORTEX)
                          ---
                         8347
    
    Percentage of SATBASE.TLE one week old or less =  85.8%
    
    ******************************************************************
    
    GSFC995.TXT
    
    ftp://ftp.dransom.com/current.data/GSFC995.zip
    ftp://ftp.dransom.com/current.data/
    
    One (1) Day Old      210   14.0%
    Two (2) Days Old     367   24.4%
    Three (3) Days Old   205   13.6%
    Four (4) Days Old    168   11.2%
    Five (5) Days Old    156   10.4%
    Six (6) Days Old     120    8.0%
    Seven (7) Days Old    63    4.2%
    Older Than One Week  215   14.3%
                          ---
                         1504
    
    Percentage of GSFC995.TXT one week old or less =  85.7%
    
    ******************************************************************
    
    ALLDAT.TLE - Updated daily 4:25 p.m. CDT (21:25 UTC)
    
    http://users2.ev1.net/~mmccants/tles/alldat.zip
    
    One (1) Day Old      561    6.7%
    Two (2) Days Old    1059   12.7%
    Three (3) Days Old  1124   13.5%
    Four (4) Days Old    962   11.6%
    Five (5) Days Old    999   12.0%
    Six (6) Days Old    1362   16.4%
    Seven (7) Days Old   939   11.3%
    Older Than One Week 1302   15.7%
    Previous Years        11    <.1%  89046A, USA 56 Rk, 90095A, 91080B,
                                      USA 103, 95060A, USA 125 Rk2, Unk 000601,
                                      , 95586A, 96750A
                          ---
                         8319
    
    Percentage of ALLDAT.TLE one week old or less =  84.2%
    
    ******************************************************************
    
    Epoch Date Age Analysis - Tuesdays & Fridays noon CDT (17:00 UTC)
    
    ******************************************************************
    
    Epoch Date Age Analysis is compiled twice weekly by Satellite
    Tracking Houston- http://sattrackhouston.com The next compilation
    of these data will be Friday, 18-Oct-2002, at noon CDT,17:00 UTC.
    The epoch date is the time at which the orbital data (Keplerian
    elements) have been calculated.  Satellite names are listed when
    less than thirty-six (36) in a category.
    
    Under Construction
    
    File Name     % wk old or less
    
    VISUAL.TXT       100.0
    KEPELE.TLE        99.1
    TLE287.TXT        96.6
    MCCANTS.TLE       95.0
    SPECIAL.TXT       88.5
    TL021014.TXT      86.9
    SATBASE.TLE       85.8
    GSFC995.TXT       85.7
    ALLDAT.TLE        84.2
    
    
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    This archive was generated by hypermail 2b29 : Tue Oct 15 2002 - 15:03:12 EDT