Re: Unid satellite orbit

From: Bjoern Gimle (b_gimle@algonet.se)
Date: Fri Apr 07 2000 - 15:20:06 PDT

  • Next message: Ted Molczan: "RE: Unid elements & obs"

    I made several observations 00-04-07 ; OBSENTRY/IOD report later this
    weekend.
    
    USA 129 on time, brightened 1.5 mag at 18:43:53 UT
    Ir 44 flashed 19:05:10 to negative magnitude, possibly some more earlier,
    but none later.
    UNID identified as Geo-IK
    ERS-1 mainly steady, brightened 2 mag at long intervals
    Spot 3 flashed 19:49:51.7, 50:12.0, 50:27.3, 50:32.3, 51:13.1
    UNID 19:54:49.2 at RA 13.75, dec.+52.0 moving 7 deg/14 s. in DIR=280 r.t.
    vertical.
    65-027 AF was close, but is moving at 60% of that speed.
    One 98 deg object almost matching Michael Waterman's MM=14.98 (84 sec.early,
    mag +7):
    MW 14.98
    1 00000U 99000@      95.88792000 0.00000000                        00
    2 00000  98.2890 172.2000 0165100 246.2900 111.9692 14.99472034    00
    
    One 98 deg almost matching Russell's MM=14.59 (40 sec.early, mag.+8)
    Russell 00-095                                   6
    1 40095E 00095A   00095.88789851  .00000047  00000-0  10000-4 0    10
    2 40095  98.5830 172.7500 0000100 357.2183   2.9264 14.59400000    18
    
    Both planes had to be moved about 0.3 deg. E.
    
    > Russell Eberst's unid sat of April 4th is consistent with my last
    >  unid object on March 25th.
    >
    > The following orbit fits all 4 observations very well.
    >
    > 1 00000U 99000       95.88797000 0.00000000                        0
    > 2 00000  98.1490 171.7100 0024301 359.1800   0.8160 14.60855007    0
    >
    
    -- bjorn.gimle@tietotech.se (office)                         --
    -- b_gimle@algonet.se (home)  http://www.algonet.se/~b_gimle --
    -- COSPAR 5919, MALMA,    59.2615 N, 18.6206 E, 33 m         --
    -- COSPAR 5918, HAMMARBY, 59.2985 N, 18.1045 E, 44 m         --
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