Model Final Version with Interface
713e51ab-0b4d-4432-ba63-c11ce8274825
isee systems, inc.
Stella Architect
1957
2018
4
1
dmnl
unitless
fraction
Meters^3
cubic meter
cu m
m
meter
yr
year
TIME
3,22,23,38,50,81,69,100,125,132,139,130,125,124,134,113,117,113,132,131,130,126,111,109,126,129,128,129,125,110,114,121,102,120,91,98,83,93,80,77,89,82,78,85,59,65,63,54,55,67,68,69,78,74,84,78,81,92,86,85,90,114
Launch/Year
Satellite launches per year.
(("Number_of_Launches_between_1957-2018"-Overall_Launch_Failures)*The_share_of_Launches_to_the_Lower_Earth_Orbit*Average_Number_of_Satellites_Placed_to_Orbit_Per_Launch)
Satellites/Year
0.0001
Satellite_Launches
Active_Satellites_Fragmenting
Satellites_Disabled
Satellites
("Rate_of_Active_Satellites_Fragmenting_(Maneuver_Chance)"*Active_Satellites)/Average_Active_Satellites_Fragmenting_Time*"Effect_of_Relative_Spatial_Density_on_further_Fragmentation_(Collision_Risk)"
Satellites/Year
(Active_Satellites/Average_Satellite_Life_Time)
Satellites/Year
0.0001
Satellites_Disabled
Inactive_Satellites_Deorbiting
Inactive_Satellites_Fragmenting
Inactive_Satellite_Decay
Satellites
Active_Historical_Removal_Rate
Satellites/Year
TIME
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0.4,0.79,0.93,1.06,1.72,2.25,2.91,3.44,4.23,4.23,4.36,4.89,5.55,8.33,10.57,11.89,12.56,0
Satellites/Year
5
Years
Inactive_Satellites/Average_Fragmenting_Time*"Effect_of_Relative_Spatial_Density_on_further_Fragmentation_(Collision_Risk)"
Satellites/Year
30
Years
Inactive_Satellites/Average_Orbital_Decay_Effect
Satellites/Year
TIME
1,1.09475844303271,1.2033557639571,1.32781304432717,1.47044653201605,1.63391074841064,1.82124789114237,2.03594445177783,2.28199610216894,2.56398205704867,2.88715029681883,3.25751523659283,3.68196965919126,4.16841299525137,4.72589833784412,5.36480092765645,6.09701124438058,6.93615629789294,7.8978532376256,9
Satellites/Launch
TIME
1,16,11,19,23,16,18,16,16,15,17,13,19,12,15,7,8,8,8,6,7,5,5,7,5,10,2,3,7,8,6,7,1,6,5,5,5,5,8,8,6,7,8,4,3,4,3,4,3,5,5,4,5,4,6,6,3,4,5,3,6,3
Launch/Year
(Inactive_Satellites_Fragmenting+Active_Satellites_Fragmenting)*Satellite_to_Debris
Debris*Satellites/(Satellites*Years)
0.001
Large_Debris_Spawn
Large_Debris_Decay
Large_Debris_Fragmenting
Debris
Large_Debris/Average_Orbital_Decay_Effect
Debris/Years
(0.5*Total_Satellite_Fragmentation)*Large_Debris_Creation_Rate+(Large_Debris_Created_Per_Launch*Successful_Launches)
Debris/Years
0.001
Medium_Debris_Spawn
Medium_Debris_Decay
Medium_Debris_Fragmenting
Debris
Medium_Debris/Average_Orbital_Decay_Effect
Debris/Years
(0.35*Total_Satellite_Fragmentation)*Medium_Debris_Creation_Rate+Large_Debris_Fragmenting+(Medium_Debris_Created_Per_Launch*Successful_Launches)
Debris/Years
0.001
Small_Debris_Spawn
Small_Debris_Decay
Debris
Small_Debris/Average_Orbital_Decay_Effect
Debris/Years
(0.15*Total_Satellite_Fragmentation)*"Effect_of_Relative_Spatial_Density_on_further_Fragmentation_(Collision_Risk)"*Small_Debris_Creation_Rate+Large_Debris_Fragmenting+(Medium_Debris_Fragmenting+Small_Debris_Created_Per_Launch*Successful_Launches)
Debris/Years
0.33
Dimensionless
1.25
Dimensionless
4.87
Dimensionless
20
Years
(Medium_Debris+Small_Debris+Large_Debris)*Debris_to_Objects+(Inactive_Satellites+Active_Satellites)*Satellites_to_Objects
Objects
(Total_Volume_of_the_all_Objects/Updated_LEO_Volume)
Meters^3*Objects/cubic kilometers
Large_Debris/Large_Debris_Fragmenting_Rate*"Effect_of_Relative_Spatial_Density_on_further_Fragmentation_(Collision_Risk)"
Debris/Years
Medium_Debris/Medium_Debris_Fragmenting_Rate*"Effect_of_Relative_Spatial_Density_on_further_Fragmentation_(Collision_Risk)"
Debris/Years
25
Years
35
Years
250000000000
cubic kilometers
0.74
Dimensionless
Active_Satellites
Satellites
Number_of_Functional_Satellites/Total_Number_of_Objects_in_LEO
Satellites/Objects
IF (Collision_Effect_Switch=1) THEN (Relative_Spatial_Density) ELSE (0)
1,1,10.4377487623,24.7213814824,54.5193428526,100.5,146.480657147,176.278618518,190.562251238,196.420744218,198.668122666
dmnl
Inactive_Satellites*Average_Volume_of_an_IAS
Meters^3*Satellites
Small_Debris*Average_Volume_of_a_SD
Debris*Meters^3
Average_Volume_of_an_AS*Active_Satellites
Meters^3*Satellites
Large_Debris*Average_Volume_of_a_LD
Debris*Meters^3
Medium_Debris*Average_Volume_of_a_MD
Debris*Meters^3
27
cubic meter
3.375
cubic meter
64
cubic meter
125
cubic meter
125
cubic meter
(Total_Volume_of_Medium_Sized_Debris+Total_Volume_of_Small_Sized_Debris+Total_Volume_of_Large_Sized_Debris)*Debris_to_Objects+(Total_Volume_of_Inactive_Satellites+Total_Volume_of_Active_Satellites)*Satellites_to_Objects
Meters^3*Objects
0.35
Debris/Launch
1.38
Debris/Launch
1.98
Debris/Launch
"Number_of_Launches_between_1957-2018"-Overall_Launch_Failures
Launch/Year
30
Years
Spatial_Density/INIT(Spatial_Density)
dmnl
0.448
Dimensionless
1
Debris/Satellites
1
Objects/Debris
1
Dimensionless
1
Objects/Satellites
Active_Satellites
Active_Satellites_Fragmenting
"Number_of_Launches_between_1957-2018"
Satellite_Launches
Active_Historical_Removal_Rate
Inactive_Satellites_Deorbiting
Average_Satellite_Life_Time
Satellites_Disabled
Average_Fragmenting_Time
Inactive_Satellites_Fragmenting
Inactive_Satellites
Inactive_Satellite_Decay
Inactive_Satellites
Inactive_Satellites_Fragmenting
Active_Satellites
Satellites_Disabled
Average_Number_of_Satellites_Placed_to_Orbit_Per_Launch
Satellite_Launches
Overall_Launch_Failures
Satellite_Launches
Inactive_Satellites_Fragmenting
Total_Satellite_Fragmentation
Active_Satellites_Fragmenting
Total_Satellite_Fragmentation
Large_Debris
Large_Debris_Decay
Medium_Debris
Medium_Debris_Decay
Small_Debris
Small_Debris_Decay
Total_Satellite_Fragmentation
Large_Debris_Spawn
Total_Satellite_Fragmentation
Medium_Debris_Spawn
Total_Satellite_Fragmentation
Small_Debris_Spawn
Large_Debris_Creation_Rate
Large_Debris_Spawn
Medium_Debris_Creation_Rate
Medium_Debris_Spawn
Small_Debris_Creation_Rate
Small_Debris_Spawn
Average_Orbital_Decay_Effect
Inactive_Satellite_Decay
Average_Orbital_Decay_Effect
Large_Debris_Decay
Average_Orbital_Decay_Effect
Medium_Debris_Decay
Average_Orbital_Decay_Effect
Small_Debris_Decay
Total_Number_of_Objects_in_LEO
Total_Number_of_Objects_in_LEO
Total_Number_of_Objects_in_LEO
Large_Debris_Fragmenting
Medium_Debris_Spawn
Large_Debris_Fragmenting
Small_Debris_Spawn
Medium_Debris_Fragmenting
Small_Debris_Spawn
Large_Debris_Fragmenting_Rate
Large_Debris_Fragmenting
Large_Debris
Large_Debris_Fragmenting
Medium_Debris_Fragmenting_Rate
Medium_Debris_Fragmenting
Medium_Debris
Medium_Debris_Fragmenting
Updated_LEO_Volume
Spatial_Density
Total_Number_of_Objects_in_LEO
Total_Number_of_Objects_in_LEO
The_share_of_Launches_to_the_Lower_Earth_Orbit
Satellite_Launches
Number_of_Functional_Satellites
Total_Number_of_Objects_in_LEO
Share_of_Active_Satellites_in_Total_Number_of_Objects
Number_of_Functional_Satellites
Share_of_Active_Satellites_in_Total_Number_of_Objects
"Effect_of_Relative_Spatial_Density_on_further_Fragmentation_(Collision_Risk)"
Active_Satellites_Fragmenting
"Effect_of_Relative_Spatial_Density_on_further_Fragmentation_(Collision_Risk)"
Large_Debris_Fragmenting
"Effect_of_Relative_Spatial_Density_on_further_Fragmentation_(Collision_Risk)"
Medium_Debris_Fragmenting
"Effect_of_Relative_Spatial_Density_on_further_Fragmentation_(Collision_Risk)"
Inactive_Satellites_Fragmenting
Total_Volume_of_Inactive_Satellites
Total_Volume_of_Small_Sized_Debris
Total_Volume_of_Active_Satellites
Total_Volume_of_Large_Sized_Debris
Total_Volume_of_Medium_Sized_Debris
Average_Volume_of_a_MD
Total_Volume_of_Medium_Sized_Debris
Average_Volume_of_a_SD
Total_Volume_of_Small_Sized_Debris
Average_Volume_of_a_LD
Total_Volume_of_Large_Sized_Debris
Average_Volume_of_an_IAS
Total_Volume_of_Inactive_Satellites
Average_Volume_of_an_AS
Total_Volume_of_Active_Satellites
Total_Volume_of_Medium_Sized_Debris
Total_Volume_of_the_all_Objects
Total_Volume_of_Small_Sized_Debris
Total_Volume_of_the_all_Objects
Total_Volume_of_Large_Sized_Debris
Total_Volume_of_the_all_Objects
Total_Volume_of_Inactive_Satellites
Total_Volume_of_the_all_Objects
Total_Volume_of_Active_Satellites
Total_Volume_of_the_all_Objects
Total_Volume_of_the_all_Objects
Spatial_Density
Large_Debris_Created_Per_Launch
Large_Debris_Spawn
Medium_Debris_Created_Per_Launch
Medium_Debris_Spawn
Small_Debris_Created_Per_Launch
Small_Debris_Spawn
"Number_of_Launches_between_1957-2018"
Successful_Launches
Overall_Launch_Failures
Successful_Launches
Average_Active_Satellites_Fragmenting_Time
Active_Satellites_Fragmenting
"Effect_of_Relative_Spatial_Density_on_further_Fragmentation_(Collision_Risk)"
Small_Debris_Spawn
Spatial_Density
Relative_Spatial_Density
Relative_Spatial_Density
"Effect_of_Relative_Spatial_Density_on_further_Fragmentation_(Collision_Risk)"
"Rate_of_Active_Satellites_Fragmenting_(Maneuver_Chance)"
Active_Satellites_Fragmenting
Large_Debris_Spawn
Medium_Debris_Spawn
Small_Debris_Spawn
Satellite_to_Debris
Total_Satellite_Fragmentation
Debris_to_Objects
Total_Number_of_Objects_in_LEO
Collision_Effect_Switch
"Effect_of_Relative_Spatial_Density_on_further_Fragmentation_(Collision_Risk)"
Satellites_to_Objects
Total_Number_of_Objects_in_LEO
Total_Volume_of_the_all_Objects
Total_Volume_of_the_all_Objects
Large_Debris
Medium_Debris
Small_Debris
Inactive_Satellites
Active_Satellites
Successful_Launches
Debris_to_Objects
Satellites_to_Objects