🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.9

Radius: 12.8

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.32 AU - 1.34 AU

Year: 975 Days

Day: 7.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,435,461 km

• M1: 159,172 km (0.08 R)
• M2: 637,287 km (0.107 R)
• M3: 1,186,162 km (0.116 R)
• M4: 1,896,602 km (0.11 R)
• M5: 2,407,329 km (0.04 R)
• M6: 3,289,358 km (0.101 R)
• M7: 4,237,060 km (0.117 R)
• M8: 5,100,390 km (0.028 R)
• M9: 5,647,469 km (0.096 R)
• M10: 7,785,971 km (0.111 R)
• M11: 8,211,577 km (0.095 R)
• M12: 8,680,865 km (0.109 R)
• M13: 9,167,956 km (0.086 R)
• M14: 9,886,774 km (0.086 R)
• M15: 10,739,930 km (0.047 R)
• M16: 11,403,098 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.8

Radius: 12

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.08 AU - 1.7 AU

Year: 1042 Days

Day: 12.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,435,461 km

• M1: 149,299 km (0.077 R)
• M2: 522,845 km (0.074 R)
• M3: 1,244,953 km (0.081 R)
• M4: 1,656,048 km (0.066 R)
• M5: 2,168,870 km (0.103 R)
• M6: 2,644,741 km (0.084 R)
• M7: 3,124,651 km (0.115 R)
• M8: 3,780,039 km (0.118 R)
• M9: 4,196,819 km (0.081 R)
• M10: 4,730,733 km (0.108 R)
• M11: 5,914,801 km (0.038 R)
• M12: 6,393,364 km (0.109 R)
• M13: 7,619,319 km (0.056 R)
• M14: 8,493,868 km (0.089 R)
• M15: 9,323,238 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.8

Radius: 11.2

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.05 AU - 4.75 AU

Year: 4897 Days

Day: 14.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,435,461 km

• M1: 139,276 km (0.119 R)
• M2: 824,135 km (0.079 R)
• M3: 1,187,657 km (0.079 R)
• M4: 1,749,697 km (0.102 R)
• M5: 2,152,863 km (0.079 R)
• M6: 2,705,328 km (0.115 R)
• M7: 3,111,636 km (0.111 R)
• M8: 3,732,018 km (0.112 R)
• M9: 4,262,043 km (0.113 R)
• M10: 4,841,735 km (0.067 R)
• M11: 5,884,432 km (0.087 R)
• M12: 6,768,406 km (0.048 R)
• M13: 7,277,338 km (0.06 R)
• M14: 9,911,757 km (0.1 R)
• M15: 12,413,781 km (0.111 R)
• M16: 12,919,571 km (0.083 R)
• M17: 14,575,321 km (0.073 R)
• M18: 15,951,172 km (0.076 R)
• M19: 16,915,181 km (0.088 R)
• M20: 18,239,122 km (0.068 R)
• M21: 18,959,436 km (0.097 R)
• M22: 29,323,277 km (0.099 R)
• M23: 30,130,507 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159

Radius: 8.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.21 AU - 5.67 AU

Year: 8067 Days

Day: 15 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,435,461 km

• M1: 104,270 km (0.117 R)
• M2: 569,818 km (0.105 R)
• M3: 1,182,870 km (0.088 R)
• M4: 1,766,152 km (0.11 R)
• M5: 2,512,945 km (0.101 R)
• M6: 2,809,747 km (0.074 R)
• M7: 3,802,329 km (0.097 R)
• M8: 6,551,040 km (0.109 R)
• M9: 8,310,311 km (0.095 R)
• M10: 8,823,282 km (0.075 R)
• M11: 9,751,388 km (0.113 R)
• M12: 10,280,515 km (0.099 R)
• M13: 11,755,251 km (0.107 R)
• M14: 12,168,141 km (0.106 R)
• M15: 12,926,004 km (0.108 R)
• M16: 15,661,850 km (0.088 R)
• M17: 17,906,267 km (0.095 R)
• M18: 20,095,482 km (0.105 R)
• M19: 22,527,345 km (0.107 R)
• M20: 23,164,781 km (0.095 R)
• M21: 24,773,258 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.2

Radius: 12.7

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.26 AU - 6.36 AU

Year: 8904 Days

Day: 12 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,435,461 km

• M1: 161,566 km (0.108 R)
• M2: 614,099 km (0.097 R)
• M3: 1,011,431 km (0.039 R)
• M4: 1,443,021 km (0.062 R)
• M5: 1,840,353 km (0.115 R)
• M6: 2,294,083 km (0.113 R)
• M7: 2,698,297 km (0.096 R)
• M8: 3,603,813 km (0.119 R)
• M9: 5,629,817 km (0.078 R)
• M10: 6,047,793 km (0.107 R)
• M11: 6,486,713 km (0.055 R)
• M12: 7,387,592 km (0.08 R)
• M13: 12,709,835 km (0.043 R)
• M14: 18,057,809 km (0.088 R)
• M15: 19,597,919 km (0.102 R)
• M16: 20,157,116 km (0.059 R)
• M17: 21,898,735 km (0.061 R)
• M18: 23,291,640 km (0.102 R)
• M19: 25,585,125 km (0.079 R)
• M20: 29,666,155 km (0.117 R)
• M21: 31,045,747 km (0.078 R)
• M22: 32,356,972 km (0.074 R)
• M23: 40,363,749 km (0.093 R)
• M24: 44,891,179 km (0.079 R)

Asteroid Belt

Center: 7.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.8

Radius: 7.1

Gravity: 14.87 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.8 AU - 11.36 AU

Year: 20348 Days

Day: 18.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,435,461 km

• M1: 470,784 km (0.098 R)
• M2: 703,409 km (0.098 R)
• M3: 1,311,525 km (0.079 R)
• M4: 2,061,010 km (0.111 R)
• M5: 3,370,290 km (0.037 R)
• M6: 5,159,331 km (0.097 R)
• M7: 5,916,895 km (0.086 R)
• M8: 6,837,819 km (0.069 R)
• M9: 7,454,013 km (0.066 R)
• M10: 12,426,796 km (0.107 R)
• M11: 13,633,901 km (0.111 R)
• M12: 17,984,806 km (0.089 R)
• M13: 19,712,661 km (0.079 R)
• M14: 21,747,940 km (0.102 R)
• M15: 28,327,703 km (0.098 R)
• M16: 34,596,752 km (0.094 R)
• M17: 46,716,573 km (0.097 R)
• M18: 58,430,236 km (0.101 R)
• M19: 61,989,169 km (0.084 R)
• M20: 76,273,222 km (0.086 R)
• M21: 76,504,949 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.3

Radius: 7

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.9 AU - 10.32 AU

Year: 20439 Days

Day: 20.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,435,461 km

• M1: 87,066 km (0.096 R)
• M2: 470,037 km (0.117 R)
• M3: 1,065,137 km (0.077 R)
• M4: 1,719,328 km (0.089 R)
• M5: 2,272,541 km (0.07 R)
• M6: 2,760,978 km (0.108 R)
• M7: 3,882,514 km (0.083 R)
• M8: 4,106,312 km (0.108 R)
• M9: 7,512,207 km (0.065 R)
• M10: 8,272,762 km (0.095 R)
• M11: 9,139,383 km (0.055 R)
• M12: 9,537,163 km (0.061 R)
• M13: 10,988,562 km (0.115 R)
• M14: 17,312,214 km (0.095 R)
• M15: 22,795,873 km (0.117 R)
• M16: 25,591,109 km (0.115 R)
• M17: 30,450,347 km (0.115 R)
• M18: 30,954,941 km (0.112 R)
• M19: 32,897,170 km (0.056 R)
• M20: 35,750,600 km (0.083 R)
• M21: 38,178,125 km (0.115 R)
• M22: 40,561,219 km (0.11 R)
• M23: 44,319,117 km (0.037 R)
• M24: 48,989,114 km (0.042 R)
• M25: 55,836,807 km (0.115 R)
• M26: 58,512,365 km (0.109 R)
• M27: 76,149,206 km (0.031 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 14,565 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit