🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.3

Radius: 12.3

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.83 AU - 1.23 AU

Year: 722 Days

Day: 7.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,675,169 km

• M1: 154,385 km (0.081 R)
• M2: 549,323 km (0.115 R)
• M3: 1,216,679 km (0.087 R)
• M4: 1,603,240 km (0.084 R)
• M5: 2,056,372 km (0.046 R)
• M6: 3,051,198 km (0.087 R)
• M7: 3,918,118 km (0.102 R)
• M8: 4,552,413 km (0.049 R)
• M9: 5,023,347 km (0.11 R)
• M10: 5,492,187 km (0.101 R)
• M11: 6,138,001 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.1

Radius: 11.6

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.99 AU - 1.39 AU

Year: 896 Days

Day: 8.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,675,169 km

• M1: 144,512 km (0.112 R)
• M2: 716,125 km (0.11 R)
• M3: 1,495,380 km (0.108 R)
• M4: 2,061,608 km (0.102 R)
• M5: 2,473,152 km (0.087 R)
• M6: 3,177,309 km (0.078 R)
• M7: 4,509,029 km (0.064 R)
• M8: 4,874,347 km (0.035 R)
• M9: 5,259,412 km (0.116 R)
• M10: 5,804,547 km (0.09 R)
• M11: 6,443,629 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.2

Radius: 14.3

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.04 AU - 1.36 AU

Year: 907 Days

Day: 14.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,675,169 km

• M1: 178,021 km (0.109 R)
• M2: 691,441 km (0.091 R)
• M3: 1,173,296 km (0.108 R)
• M4: 1,744,910 km (0.114 R)
• M5: 2,957,550 km (0.083 R)
• M6: 3,819,533 km (0.067 R)
• M7: 4,559,145 km (0.118 R)
• M8: 5,374,453 km (0.116 R)
• M9: 8,513,316 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.4

Radius: 10.7

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.33 AU - 2.51 AU

Year: 2599 Days

Day: 6.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,675,169 km

• M1: 133,142 km (0.099 R)
• M2: 523,293 km (0.072 R)
• M3: 1,744,311 km (0.066 R)
• M4: 2,489,757 km (0.027 R)
• M5: 3,555,642 km (0.113 R)
• M6: 4,306,324 km (0.106 R)
• M7: 6,160,740 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.3

Radius: 8.5

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.35 AU - 6.03 AU

Year: 8161 Days

Day: 13.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,675,169 km

• M1: 106,663 km (0.109 R)
• M2: 412,292 km (0.103 R)
• M3: 850,763 km (0.105 R)
• M4: 1,496,428 km (0.115 R)
• M5: 1,826,590 km (0.101 R)
• M6: 2,813,487 km (0.114 R)
• M7: 3,377,022 km (0.097 R)
• M8: 3,705,838 km (0.111 R)
• M9: 4,272,216 km (0.045 R)
• M10: 6,066,044 km (0.05 R)
• M11: 6,378,704 km (0.091 R)
• M12: 8,106,709 km (0.087 R)
• M13: 8,381,819 km (0.084 R)
• M14: 8,734,421 km (0.119 R)
• M15: 11,104,351 km (0.117 R)
• M16: 12,368,902 km (0.101 R)
• M17: 13,200,516 km (0.072 R)
• M18: 13,921,578 km (0.079 R)
• M19: 14,316,815 km (0.107 R)
• M20: 15,653,024 km (0.074 R)
• M21: 17,409,452 km (0.106 R)
• M22: 20,601,272 km (0.112 R)
• M23: 21,570,966 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.9

Radius: 6

Gravity: 22.33 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 8.98 AU - 9.28 AU

Year: 19042 Days

Day: 24.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,675,169 km

• M1: 77,342 km (0.061 R)
• M2: 455,825 km (0.074 R)
• M3: 835,055 km (0.116 R)
• M4: 1,147,416 km (0.029 R)
• M5: 1,619,098 km (0.034 R)
• M6: 2,107,535 km (0.084 R)
• M7: 2,341,955 km (0.083 R)
• M8: 5,040,999 km (0.1 R)
• M9: 6,462,179 km (0.102 R)
• M10: 6,912,918 km (0.12 R)
• M11: 9,833,068 km (0.046 R)
• M12: 10,247,753 km (0.056 R)
• M13: 11,175,859 km (0.049 R)
• M14: 11,957,657 km (0.112 R)
• M15: 13,484,602 km (0.063 R)
• M16: 14,981,628 km (0.115 R)
• M17: 24,046,661 km (0.036 R)
• M18: 26,012,975 km (0.088 R)
• M19: 26,237,971 km (0.111 R)
• M20: 27,035,327 km (0.076 R)
• M21: 28,798,189 km (0.112 R)
• M22: 29,402,414 km (0.082 R)
• M23: 31,904,289 km (0.043 R)
• M24: 32,943,545 km (0.036 R)
• M25: 34,544,392 km (0.113 R)
• M26: 34,952,645 km (0.099 R)
• M27: 35,226,559 km (0.077 R)
• M28: 36,900,110 km (0.032 R)
• M29: 37,469,629 km (0.108 R)
• M30: 38,918,784 km (0.041 R)
• M31: 39,360,845 km (0.104 R)
• M32: 41,774,607 km (0.119 R)
• M33: 49,089,344 km (0.115 R)
• M34: 65,562,464 km (0.065 R)
• M35: 68,089,022 km (0.069 R)
• M36: 72,665,371 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 12,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit