1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

SixtoReport: D12 Satellite Info in Post#1 - Live!

Discussion in 'DIRECTV General Discussion' started by Sixto, Jul 27, 2008.

Thread Status:
Not open for further replies.
  1. Jan 18, 2010 #2301 of 10270
    radiomandc

    radiomandc Legend

    102
    0
    Jul 22, 2009
    My thoughts exactly. This is usually the most active thread.:confused:
     
  2. Jan 18, 2010 #2302 of 10270
    Sixto

    Sixto Well-Known Member

    12,224
    95
    Nov 18, 2005
    Space travel takes time. :)
     
  3. Jan 18, 2010 #2303 of 10270
    Alan Gordon

    Alan Gordon Chancellor

    9,094
    100
    Jun 7, 2004
    Dawson, Georgia
    For now.... ;)

    ~Alan
     
  4. Jan 18, 2010 #2304 of 10270
    LameLefty

    LameLefty I used to be a rocket scientist

    12,182
    105
    Sep 28, 2006
    Middle...
    No new TLE today. I've been checking.
     
  5. Jan 18, 2010 #2305 of 10270
    Sixto

    Sixto Well-Known Member

    12,224
    95
    Nov 18, 2005
    After 43 hours ... very slight change.
    Code:
    Name			DirecTV-12
    NORAD #			36131
    COSPAR designator	2009-075-A  
    Epoch (UTC)		01-18-2010 10:58:07
    Orbit # at Epoch	28
    Inclination		0.178
    RA of A. Node		269.528
    Eccentricity		0.0739643
    Argument of Perigee	191.210
    Revs per day		1.00282131
    Period			23h 55m 56s (1435.93 min)
    Semi-major axis		42 162 km
    Perigee x Apogee	32 665 x 38 902 km
    Element number / age	33 / 0 day(s)
    
    Lon			66.5601° W
    Lat			0.1339° S
    Alt (km)		36 899.010
    
    [B][U] # [/u] [u] Date[/u] [u]Time GMT[/u] [u]Perigee[/u]  [u]Apogee[/u] [u]  Gap [/u] [u]Chg-Hrs[/u] [u] Day  [/u] [u]  Long  [/u] [u]  Lat  [/u] [u]Inclin[/u][/B]
    Target ----------> 35,786 x 35,786      0                 76.00°W  0.00°N  0.00°[B][COLOR="Blue"]
    033 01/18 10:58:07 32,665 x 38,902  6,237 +43.11H 20.44D  66.56°W  0.13°S  0.18°[/COLOR][/B]
    032 01/16 15:51:24 32,652 x 38,907  6,255 +12.10H 18.65D  74.24°W  0.01°N  0.18°
    031 01/16 03:45:22 32,651 x 38,908  6,257 +11.03H 18.14D  75.10°W  0.00°S  0.18°
    030 01/15 16:43:41 [B][COLOR="Red"]32,651[/COLOR][/B] x [B][COLOR="Red"]38,908[/COLOR][/B]  6,257 +53.65H 17.68D  75.97°W  0.04°N  0.18°
    029 01/13 11:04:56 31,494 x 38,917  7,423 +11.08H 15.45D  66.45°W  0.07°N  0.08°
    
    [URL="http://www.dbstalk.com/showthread.php?t=164555"]Post#1[/URL] has the complete history. The last 5 updates are above.
    
     
  6. Jan 18, 2010 #2306 of 10270
    HoTat2

    HoTat2 Hall Of Fame

    7,385
    196
    Nov 16, 2005
    Los...
    It would be great, for us here anyhow, if Boeing and DirecTV were like NASA or something with regular press briefings about what's the latest with D12 and the other birds in the fleet. But I guess there just isn't enough interest in the progress of a commercial telecommunications satellite to require it.

    I mean unless something catastrophic happens, it's not like there's are a core of news correspondents always milling around the headquarters of Boeing or DirecTV scrounging for information and thereby forcing these companies to conduct regularly scheduled press conferences.

    Therefore at this point we're pretty much limited to TLE releases, any new FCC documentation, and LameLefty, Sixto and other knowledgeable folks offering their expert commentary based on their past experiences.

    Still good and much appreciated mind you, but admittedly limited in what these sources alone can offer.
     
  7. Jan 18, 2010 #2307 of 10270
    Jeremy W

    Jeremy W Hall Of Fame

    13,447
    0
    Jun 19, 2006
    There's also the fact that DirecTV and Boeing aren't government agencies, but public companies. As public companies they only have to tell us if something goes wrong that will impact their ability to deliver TV service. And that's all they're going to tell us.
     
  8. Jan 18, 2010 #2308 of 10270
    taz291819

    taz291819 Godfather

    385
    0
    Oct 18, 2006
    And if anything goes wrong, I'm sure it'll be leaked to the media anyway.
     
  9. Jan 18, 2010 #2309 of 10270
    Hdhead

    Hdhead Hall Of Fame

    1,241
    2
    Jul 30, 2007
    D12 is just taking a little snooze before he spreads his wings. :engel10:
     
  10. Jan 18, 2010 #2310 of 10270
    P Smith

    P Smith Mr. FixAnything

    22,454
    226
    Jul 25, 2002
    W.Mdtrn Sea
    So, the small correction of its orbit going under slight inclination; what would be distance from equatorial plane if the incl eq 0.18° ? L = 35,786 x tg(0.18°) = 112 km. Enough for avoid collisions, heh.
     
  11. Jan 19, 2010 #2311 of 10270
    LameLefty

    LameLefty I used to be a rocket scientist

    12,182
    105
    Sep 28, 2006
    Middle...
    New TLE this morning. Analysis forthcoming.

    Code:
    Name			Directv-12 034
    NORAD #			36131
    COSPAR designator	2009-075-A  
    Epoch (UTC)		2010-01-18 10:58:07
    Orbit # at Epoch	28
    Inclination		0.268
    RA of A. Node		272.913
    Eccentricity		0.0726487
    Argument of Perigee	187.600
    Revs per day		1.00256721
    Period			23h 56m 18s (1436.30 min)
    Semi-major axis		42 169 km
    Perigee x Apogee	32 727 x 38 854 km
    BStar (drag term)	0.000000000 1/ER
    Mean anomaly		107.061
    Propagation model	SDP4
    Element number / age	34 / 1 day(s)
    
    EDIT: From the epoch date, looks to be a revision of yesterday's data (probably based on further observations or correction of an error in the previous data).
     
  12. Jan 19, 2010 #2312 of 10270
    syphix

    syphix Hall Of Fame

    2,113
    0
    Jun 23, 2004
    See?? All it took was my asking! :D ;)
     
  13. Jan 19, 2010 #2313 of 10270
    ddobson

    ddobson Legend

    177
    0
    Nov 25, 2003
    Thank You, but not really...

    LOL
     
  14. Jan 19, 2010 #2314 of 10270
    Sixto

    Sixto Well-Known Member

    12,224
    95
    Nov 18, 2005
    Yes, looks better! Picked up 110km. Now a day old.
    Code:
    Name			DirecTV-12
    NORAD #			36131
    COSPAR designator	2009-075-A  
    Epoch (UTC)		01-18-2010 10:58:07
    Orbit # at Epoch	28
    Inclination		0.268
    RA of A. Node		272.913
    Eccentricity		0.0726487
    Argument of Perigee	187.600
    Revs per day		1.00256721
    Period			23h 56m 18s (1436.30 min)
    Semi-major axis		42 169 km
    Perigee x Apogee	32 727 x 38 854 km
    Element number / age	34 / 1 day(s)
    
    Lon			66.9236° W
    Lat			0.2163° S
    Alt (km)		36 882.890
    
    [B][U] # [/u] [u] Date[/u] [u]Time GMT[/u] [u]Perigee[/u]  [u]Apogee[/u] [u]  Gap [/u] [u]Chg-Hrs[/u] [u] Day  [/u] [u]  Long  [/u] [u]  Lat  [/u] [u]Inclin[/u][/B]
    Target ----------> 35,786 x 35,786      0                 76.00°W  0.00°N  0.00°[B][COLOR="Blue"]
    034 01/18 10:58:07 [B][COLOR="Red"]32,727[/COLOR][/B] x [B][COLOR="Red"]38,854[/COLOR][/B]  6,127 + 0.00H 20.44D  66.92°W  0.22°S  0.27°[/COLOR][/B]
    033 01/18 10:58:07 32,665 x 38,902  6,237 +43.11H 20.44D  66.56°W  0.13°S  0.18°
    032 01/16 15:51:24 32,652 x 38,907  6,255 +12.10H 18.65D  74.24°W  0.01°N  0.18°
    031 01/16 03:45:22 32,651 x 38,908  6,257 +11.03H 18.14D  75.10°W  0.00°S  0.18°
    030 01/15 16:43:41 [B][COLOR="Red"]32,651[/COLOR][/B] x [B][COLOR="Red"]38,908[/COLOR][/B]  6,257 +53.65H 17.68D  75.97°W  0.04°N  0.18°
    
    [URL="http://www.dbstalk.com/showthread.php?t=164555"]Post#1[/URL] has the complete history. The last 5 updates are above.
    
     
  15. Jan 19, 2010 #2315 of 10270
    P Smith

    P Smith Mr. FixAnything

    22,454
    226
    Jul 25, 2002
    W.Mdtrn Sea
    Inclination raised ... complicated maneuvers.
     
  16. Jan 19, 2010 #2316 of 10270
    cartrivision

    cartrivision Hall Of Fame

    3,862
    0
    Jul 25, 2007
    It probably wouldn't come from a leak. As Jeremy W alluded to, a problem with D12 would likely be considered a "material event" which SEC regulations would require to be publicly disclosed.
     
  17. Jan 19, 2010 #2317 of 10270
    DodgerKing

    DodgerKing Hall Of Fame

    2,045
    0
    Apr 28, 2008
    With little change in elevation, the graph still looks very linear since the last time I updated them. Here they are anyway.

    [​IMG]

    [​IMG]
     
  18. Jan 19, 2010 #2318 of 10270
    Sixto

    Sixto Well-Known Member

    12,224
    95
    Nov 18, 2005
  19. Jan 19, 2010 #2319 of 10270
    Mark Holtz

    Mark Holtz Day Sleeper DBSTalk Club

    10,548
    92
    Mar 23, 2002
    Sacramento, CA
    Whotheheckis Spectrum Five LLC?
     
  20. Jan 19, 2010 #2320 of 10270
    dpeters11

    dpeters11 Hall Of Fame

    16,345
    503
    May 30, 2007
    Cincinnati
    I guess you could call them a competitor to Dish and DirecTV, a satellite DBS company. Though I don't think they have anything launched yet.
     
Thread Status:
Not open for further replies.

Share This Page