[amsat-bb] BY70-1 decay estimate

Joe nss at mwt.net
Thu Feb 16 20:59:55 UTC 2017


Nico,

Now this time is real UTC time even the date correct? Like here in the 
central USA this would be at 7 PM local time the evening of Feb 17 
tomorrow evening. Corect?

Joe WB9SBD
Sig
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com
On 2/16/2017 2:19 PM, Nico Janssen wrote:
> All,
>
> BY70-1 may be expected to re-enter on February 18 around 01:00 UTC
> +/- 3 hours.
>
> The apogee of the satellite has now decreased to 242 km and the perigee
> has decreased to 176 km.
>
> 73,
> Nico PA0DLO
>
>
> On 12-02-17 13:27, Nico Janssen wrote:
>> All,
>>
>> As a result of lower solar activity in the past week, the decay rate of
>> BY70-1 has decreased. The satellite may now be expected to re-enter
>> around February 16 to 19.
>>
>> The apogee of the satellite has now decreased to 313 km and the perigee
>> has decreased to 191 km.
>>
>> 73,
>> Nico PA0DLO
>>
>>
>> On 03-02-17 15:06, Nico Janssen wrote:
>>> All,
>>>
>>> BY70-1 may be expected to re-enter around February 10 to 13.
>>>
>>> The apogee of the satellite has now decreased to 392 km and the perigee
>>> has decreased to 203 km.
>>>
>>> 73,
>>> Nico PA0DLO
>>>
>>>
>>> On 28-01-17 14:08, Nico Janssen wrote:
>>>> All,
>>>>
>>>> If the current trend continues, BY70-1 may be expected to decay and
>>>> burn up in the atmosphere by mid-February.
>>>>
>>>> The apogee of the satellite has decreased from initially 520 km to now
>>>> 426 km and the perigee has decreased from initially 216 km to now
>>>> 208 km.
>>>>
>>>> 73,
>>>> Nico PA0DLO
>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
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>>>
>>>
>>
>> _______________________________________________
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>> to all interested persons worldwide without requiring membership. 
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>> program!
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>>
>
> _______________________________________________
> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. 
> Opinions expressed
> are solely those of the author, and do not reflect the official views 
> of AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite 
> program!
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>
>
>



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