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The space junk IRIDIUM 96 [-] is forecast to reentry Sunday, 31 May 2020 at 01:57 UTC +/- 8 hours
IRIDIUM 96 [-]

Forecast for IRIDIUM 96 [-] Reentry


Update Thu 28-May-2020 14:03 UTC

The map above shows the location of the possible reentry of the space junk IRIDIUM 96 [-] (27376U) predicted by modeling of orbital evolution until the fragment or satellite reaches the altitude of nominal burst.

According to the forecast made by Satview.org, the object's reentry will occur in Sunday, 31 May 2020 at 01:57 UTC, above the coordinates shown on map.

Satellite Launch Norad Incl.
degrees
Apogee
Km
Perigee
Km
Period
min
Options
CZ-5B R/B
Reentry: (YMD) 2020-05-11
202045601U4115611787Reentered!
Lat=20   Lon=340.4
FALCON 9 DEB
Reentry: (YMD) 2020-05-20
202045593U5316715988Reentered!
Forecast
FALCON 9 DEB
Reentry: (YMD) 2020-05-21
202045592U5316315588Reentered!
Forecast
FALCON 9 DEB
Reentry: (YMD) 2020-05-22
202045591U5318416588Reentered!
Forecast
FALCON 9 DEB
Reentry: (YMD) 2020-05-24
202045594U5319817588Reentered!
Forecast
IRIDIUM 96 [-]
Reentry: (YMD) 2020-05-31
200227376U8621118388Forecast
DEBRISSAT-2
Reentry: (YMD) 2020-05-31
199843680U5222621189Forecast
1KUNS-PF
Reentry: (YMD) 2020-06-13
199843466U5226225490Forecast
SL-12 R/B(AUX MOTOR)
Reentry: (YMD) 2020-06-15
201238105U471773132104Forecast
CZ-4C R/B
Reentry: (YMD) 2020-07-5
201944210U9730023590Forecast
KZ-1A R/B
Reentry: (YMD) 2020-07-13
202045604U9881116094Forecast
SL-4 R/B
Reentry: (YMD) 2020-07-14
201944799U9828325290Forecast
1998-067PK
Reentry: (YMD) 2020-08-27
199843598U5231831691Forecast
CZ-3B R/B
Reentry: (YMD) 2020-08-29
201339482U244884137139Forecast
SL-4 R/B
Reentry: (YMD) 2020-09-11
201843658U6742020491Forecast
TANUSHA-3
Reentry: (YMD) 2020-09-17
199843597U5232232191Forecast
ARIANE 44L+ R/B
Reentry: (YMD) 2020-09-20
199221941U42006171107Forecast
CZ-3B R/B
Reentry: (YMD) 2020-10-12
201541195U236029142153Forecast
FALCON 9 R/B
Reentry: (YMD) 2020-10-14
201843230U277863136175Forecast
1998-067PC
Reentry: (YMD) 2020-10-17
199843554U5232832491Forecast
ELECTRON R/B
Reentry: (YMD) 2020-10-20
201944500U4542328792Forecast
SMOG-P
Reentry: (YMD) 2020-11-4
201944832U9735332191Forecast
ENDUROSAT ONE
Reentry: (YMD) 2020-11-6
199843551U5233332991Forecast
KZ-1A R/B
Reentry: (YMD) 2020-11-9
201944844U9790720296Forecast
SHENZHOU-11 MODULE
Reentry: (YMD) 2020-11-11
201641868U4329427590Forecast
CZ-3B R/B
Reentry: (YMD) 2020-11-14
201944494U2919320132339Forecast
ATL-1
Reentry: (YMD) 2020-11-25
201944830U9735732391Forecast
ELECTRON KICK STAGE R/B
Reentry: (YMD) 2020-11-26
201944825U9736932291Forecast
CUBERRT
Reentry: (YMD) 2020-12-3
199843546U5235234892Forecast




The Satellite Path


The path to be followed by satellite (dotted line) does not change due to the fact that the satellite is falling and can be used to assess the trajectory of the object before and after possible fall. In the graph, each point marks the range of 1 minute.

Solar Flux and Other Variables


As much as the institutes and space agencies strive to provide correct data of the point where the space debris will fall, several factors may interfere with the accuracy of the prediction. Among the most important, the solar flux is the most critical because it determines the conditions of the upper atmosphere, increasing or decreasing the drag on the object.

Besides the solar flux acting on the aerodynamic characteristics, another variable rather difficult to be computed is the resistance of materials used in the construction of the object and the shape of the structure. Combined, these factors may determine different altitudes for the moment of rupture, causing errors of more than 30 km in altitude reentry provided.

Other variables that affect the calculation of reentry, although less important, are the gravitational perturbations of the Sun and Moon and also those exercised by large mountain ranges, above or below sea level.

The modeling used by Satview to compute the time of reentry uses solar flux data obtained at the time of modeling, and prediction of the behavior of the sun for the next 5 days. With this, the margin of error of prediction is + / - 3 revolutions for satellites or debris in uncontrolled reentry.

Altitude of Reentry


Spacecraft reentering the atmosphere without control usually break between 72 and 84 km altitude due to temperature and aerodynamic forces acting on the structure.

The nominal breakup altitude is 78 km, but big satellites that have larger and denser structures survive longer and break down at lower altitudes. Usually, solar panels are destroyed before any component, at altitudes between 90 and 95 km.

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