[amsat-bb] BY70-1 decay estimate

[Nico Janssen]

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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>>
>>
>
> _______________________________________________
> 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
>