Re; Orbiting Antiques .....

From: Edward S Light (light@argoscomp.com)
Date: Mon Apr 03 2000 - 07:05:23 PDT

  • Next message: Matthew_Fawcett@eastriding.gov.uk: "Re[2]: Orbiting Antiques ....."

    Matt Fawcett recently asked ...
    >
    >      Does anyone know what the oldest objects still in Earth Orbit are?
    >      Is Telstar 1 the oldest of them all?
    >
    
    An examination of a recent "alldat.tle" reveals quite a few objects
    still in orbit which predate Telstar by several years, including, e.g. ...
    
    Vanguard 1       0.2  0.0  0.0 10.3 v 0.12
    1 00005U 58002B   00088.79323596 +.00000336 +00000-0 +40487-3 0 04724
    2 00005 034.2650 267.8426 1859653 284.0783 056.0927 10.82369685403803
    Vanguard 2       0.5  0.0  0.0  9.8 d 0.43
    1 00011U 59001A   00088.89891216 +.00005340 +00000-0 +29392-2 0 05813
    2 00011 032.8697 291.6026 1510104 157.9248 209.4034 11.76501293741990
    Vanguard 2 r     1.2  0.5  0.0  9.1 d 0.70
    1 00012U 59001B   00088.48425900  .00004255  00000-0  25350-2 0    79
    2 00012  32.9184 155.0603 1707370 301.7183  42.7987 11.36064516678269
    Vanguard 1 r     1.2  0.5  0.0  9.1 d 0.35
    1 00016U 58002A   00088.45739868 +.00000308 +00000-0 +45711-3 0 09305
    2 00016 034.2558 217.8031 2035874 089.4958 293.6949 10.46610672683844
    Vanguard 3       2.5  0.5  0.0  8.4 d 0.82
    1 00020U 59007A   00089.13746849 +.00001701 +00000-0 +70228-3 0 09342
    2 00020 033.3553 033.4938 1726816 236.9191 105.3802 11.43046483379000
    Explorer 7       0.8  0.8  0.0  8.8 d 0.87
    1 00022U 59009A   00089.08256676 +.00004341 +00000-0 +57584-3 0 03936
    2 00022 050.3005 329.4425 0220985 244.9239 112.8615 14.66044787128447
    Tiros 1          0.5  1.1  0.0  8.5 d  1.1
    1 00029U 60002B   00089.15908275 +.00001707 +00000-0 +33450-3 0 07567
    2 00029 048.3891 112.6225 0026836 077.6129 282.7765 14.67001923130646
    Transit 2A       0.9  0.0  0.0  8.5 d 0.74
    1 00045U 60007A   00089.17053326 +.00001480 +00000-0 +41342-3 0 08535
    2 00045 066.6894 358.2272 0275923 280.0144 076.9920 14.29155312065104
    Trans 2A Rk
    1 00047U 60007C   00090.03036550  .00002827  00000-0  70214-3 0  8338
    2 00047  66.6679  37.9775 0252249 289.2447  68.1521 14.35908796 71835
    Echo 1 Rk
    1 00050U 60009B   00085.17746270 -.00000074  00000-0  10000-3 0  1300
    2 00050  47.2367  12.7108 0113887 266.3880  92.3879 12.19983087768531
    Courier 1B
    1 00058U 60013A   00086.54625843  .00000137  00000-0  81310-4 0  5055
    2 00058  28.3275 129.5407 0165423 113.7723 248.0263 13.46067850942870
    Courier 1B Rk
    1 00059U 60013B   00088.85150694 +.00000169 +00000-0 +10360-3 0 08176
    2 00059 028.2492 345.8835 0190291 234.0354 124.2416 13.52522241946266
    Explorer 8       0.8  0.0  0.0  8.9 d 0.55
    1 00060U 60014A   00090.34995489  .00042007  00000-0  25911-2 0  1127
    2 00060  49.9071  51.2127 0551840 356.9430   2.8168 14.32359296927680
    TIROS 2
    1 00063U 60016A   00091.25015141  .00009513  00000-0  72130-3 0  6307
    2 00063  48.5185  93.9998 0040564   3.7134 356.4094 15.02107066126408
    
    etc.
    
    Several of these are visible in binoculars.
    
    
    Clear and dark skies!
       Ed Light
    
    Lakewood, NJ, USA
    N 40.1072, W 074.2317, Hgt +21 m (69 ft)
    
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    This archive was generated by hypermail 2b29 : Mon Apr 03 2000 - 07:05:45 PDT