[amsat-bb] Re: Object IDs

Nico Janssen hamsat at xs4all.nl
Thu Dec 19 09:43:13 PST 2013


Another ID can now be added to the list:

39433 2013-066T  HumSat D

73,
Nico PA0DLO


On 2013-12-18 17:07, Mike Rupprecht wrote:
> Hi Nico,
>
> Thanks. I use #39388 (Object J) for KySat-2 and 393882 (Object C) for
> CAPE-2.
>
> 73 Mike
> DK3WN
>
> -----Ursprüngliche Nachricht-----
> Von: Nico Janssen [mailto:hamsat at xs4all.nl]
> Gesendet: Mittwoch, 18. Dezember 2013 15:00
> An: Mike Rupprecht; amsat-bb at amsat.org
> Betreff: Re: [amsat-bb] Re: Object IDs
>
> Hi Mike,
>
> Thanks for the confirmation of the 'tbc's.
>
> This picture shows the measured doppler curve of an overhead evening pass of
> OSCAR 73, plotted against the calculated curves for objects
> 39444 and 39445. These objects were about 11 s apart (i.e. about 82 km).
>
> https://thumb5.wuala.com/previewImage/SharedInfo/Space/AO73_20131216.jpg/?ke
> y=IZKufoz9U1Uo
>
> Note the temperature related frequency drift on the beacon transmitter,
> which causes frequency deviations when using automatic doppler correction.
> To be able to create useful doppler curves it would help if all Cubesats
> would transmit a *continuous* carrier signal on a
> *constant* frequency...  ;-)
>
> Still a lot of IDs are unknown. Of all the objects from the Minotaur launch,
> only three are officially identified:
>
> 39380 2013-064A  STPSat 3
> 39388 2013-064J  SENSE SV1
> 39392 2013-064N  SENSE SV2
>
> It is suggested that Cape 2 is object 39382 (2013-064C) and that KySat 2 is
> object 39383 (2013-064D). These are to be confirmed.
>
> 73,
> Nico PA0DLO
>
>
> On 2013-12-17 22:13, Mike Rupprecht wrote:
>> Thanks Nico, PA0DLO for pointing me in the rigth direction. I agree
>> with you the TLE for the cubesats:
>>
>> 39436 2013-066W  Eagle 2 ($50Sat) ok
>> 39438 2013-066Y  Velox PII ok
>> 39439 2013-066Z  First-MOVE ok
>> 39440 2013-066AA CubeBug 2 ok
>> 39444 2013-066AE AMSAT-OSCAR ok :-)
>> 39445 2013-066AF HiNCube ?
>> 39446 2013-066AG UWE 3 ok
>>
>> Just made a deep analysis with the FunCube TLE (Object AE vs. AF). The
>> pass was not very high but every seconds I switched between the TLE AE and
> AF.
>> You can see a slightly differnce (only a few Hz) at TCA what leads me
>> to say
>> - your're right. FUNCube-1 seems indeed to be Object AE.
>>
>> http://www.dk3wn.info/p/?p=39682
>>
>>
>> 73 Mike
>> DK3WN
>>
>> -----Ursprüngliche Nachricht-----
>> Von: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org] Im
>> Auftrag von Nico Janssen
>> Gesendet: Dienstag, 17. Dezember 2013 14:32
>> An: amsat-bb at amsat.org
>> Betreff: [amsat-bb] Re: Object IDs
>>
>> All,
>>
>> Further doppler measurements show that TshepisoSat (aka ZACube 1) is
>> object
>> 39417 (2013-066B) and AMSAT-OSCAR 73 (aka FUNCube 1) is object
>> 39444 (2013-066AE). Therefore HiNCube must be object 39445 (2013-066AF).
>>
>> It is not easy to get a good doppler curve with many Cubesats because
>> of the limited transmissions and because of the frequency drift of
>> their beacon transmitters.
>>
>> These object IDs from the Dnepr launch seem to be correct, although
>> some still need to be confirmed (tbc):
>>
>> 39416 2013-066A  Aprizesat 7
>> 39417 2013-066B  TshepisoSat
>> 39418 2013-066C  Skysat 1
>> 39419 2013-066D  Dubaisat 2
>> 39421 2013-066F  Unisat 5
>> 39422 2013-066G  STSat 3
>> 39423 2013-066H  WNISat 1
>> 39425 2013-066K  Aprizesat 8
>> 39427 2013-066M  Triton 1
>> 39428 2013-066N  Delfi-n3Xt
>> 39429 2013-066P  Dove 3
>> 39430 2013-066Q  GomX 1
>> 39431 2013-066R  BRITE-PL
>> 39432 2013-066S  HumSat D (tbc)
>> 39436 2013-066W  Eagle 2 ($50Sat) (tbc)
>> 39438 2013-066Y  Velox PII (tbc)
>> 39439 2013-066Z  First-MOVE (tbc)
>> 39440 2013-066AA CubeBug 2 (tbc)
>> 39444 2013-066AE AMSAT-OSCAR 73
>> 39445 2013-066AF HiNCube
>> 39446 2013-066AG UWE 3 (tbc)
>>
>> 73,
>> Nico PA0DLO
>>
>>
>> On 2013-12-01 16:25, Nico Janssen wrote:
>>> All,
>>>
>>> An update on the satellite IDs.
>>>
>>> Still no IDs are available for the satellites launched from the ISS
>>> (except TechEdSat 3P) and the Minotaur.
>>>
>>> Several IDs have been published for the objects from the Dnepr launch
>>> but many need to be confirmed. Still not all TLEs are released.
>>>
>>> AMSAT-OSCAR 73, ZACube 1 and HiNCube were launched from the same ISIPOD.
>>> As they initially were close together, the JSpOC decided to release
>>> only one TLE set for this cluster under object number 39417
>>> (2013-066B). Now the distances between these satellites are slowly
>>> increasing. So the question is which satellite is object 39417.
>>> Detailed doppler measurements show that ZACube 1 is now about 25 s
>>> early compared to the TLE for object 39417, while OSCAR 73 is about
>>> 11 s early. This seems to indicate that object 39417 is actually HiNCube.
>>> Hopefully TLEs for OSCAR 73 and ZACube 1 will be published soon.
>>>
>>> 73,
>>> Nico PA0DLO
>>>
>>>
>>> On 2013-11-23 11:32, Nico Janssen wrote:
>>>> All,
>>>>
>>>> An overview of the presently known IDs for the satellites that have
>>>> been launched recently.
>>>>
>>>> ISS JSSOD Cubesat launches
>>>> 2013-11-19 12:18 UTC
>>>> 39412 1998-067DA  Pico Dragon ?
>>>> 39413 1998-067DB  ArduSat 1 ?
>>>> 39414 1998-067DC  ArduSat X ?
>>>> To be confirmed when the objects have more separation.
>>>> 2013-11-20 07:58 UTC
>>>> 39415 1998-067DD  TechEdSat 3P
>>>>
>>>> Minotaur 1, Wallops Flight Facility
>>>> 2013-11-20 01:15 UTC
>>>> ORS3 & ELaNa 4: 29 satellites
>>>> So far only 4 TLEs published. No IDs yet but probably:
>>>> 39380 2013-064A  STPSat 3
>>>>
>>>> Dnepr, Yasny
>>>> 2013-11-21 07:10:11 UTC
>>>> 32 satellites
>>>> 19 TLEs published
>>>> 39417 2013-066B  FUNcube 1
>>>> 39427 2013-066M  Triton 1
>>>> 39428 2013-066N  Delfi-n3Xt
>>>>
>>>> Note that all designations may change later on.
>>>>
>>>> 73,
>>>> Nico PA0DLO
>>>>
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>>
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>>
>
>
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