🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.5

Radius: 10.2

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.54 AU - 0.8 AU

Year: 379 Days

Day: 14 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,299,557 km

• M1: 127,308 km (0.07 R)
• M2: 473,776 km (0.087 R)
• M3: 846,724 km (0.112 R)
• M4: 1,510,191 km (0.118 R)
• M5: 1,979,030 km (0.112 R)
• M6: 2,430,965 km (0.086 R)
• M7: 3,191,671 km (0.109 R)
• M8: 3,805,171 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.5

Radius: 14

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.53 AU - 0.87 AU

Year: 404 Days

Day: 9.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,299,557 km

• M1: 174,132 km (0.106 R)
• M2: 612,154 km (0.044 R)
• M3: 1,291,329 km (0.1 R)
• M4: 1,830,330 km (0.063 R)
• M5: 2,298,272 km (0.12 R)
• M6: 2,959,345 km (0.069 R)
• M7: 3,408,887 km (0.108 R)
• M8: 3,950,730 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.6

Radius: 8.3

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.64 AU - 0.76 AU

Year: 404 Days

Day: 13.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,299,557 km

• M1: 103,223 km (0.045 R)
• M2: 405,859 km (0.071 R)
• M3: 803,191 km (0.088 R)
• M4: 1,276,219 km (0.064 R)
• M5: 1,873,414 km (0.114 R)
• M6: 2,407,628 km (0.1 R)
• M7: 2,829,045 km (0.084 R)
• M8: 3,149,185 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.9

Radius: 14.3

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.94 AU - 1.36 AU

Year: 851 Days

Day: 8.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,299,557 km

• M1: 177,872 km (0.087 R)
• M2: 661,223 km (0.034 R)
• M3: 1,328,279 km (0.118 R)
• M4: 1,919,490 km (0.077 R)
• M5: 3,249,864 km (0.074 R)
• M6: 4,914,589 km (0.032 R)
• M7: 5,573,717 km (0.084 R)
• M8: 6,167,621 km (0.11 R)
• M9: 7,002,826 km (0.084 R)
• M10: 7,791,356 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.6

Radius: 14.4

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.18 AU - 3.24 AU

Year: 3079 Days

Day: 10.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,299,557 km

• M1: 179,069 km (0.092 R)
• M2: 665,711 km (0.078 R)
• M3: 1,893,460 km (0.103 R)
• M4: 2,876,767 km (0.097 R)
• M5: 3,364,157 km (0.094 R)
• M6: 5,473,786 km (0.119 R)
• M7: 6,399,797 km (0.082 R)
• M8: 6,931,019 km (0.049 R)
• M9: 8,424,155 km (0.081 R)
• M10: 8,990,982 km (0.053 R)
• M11: 9,507,842 km (0.09 R)
• M12: 10,601,104 km (0.087 R)
• M13: 12,806,176 km (0.108 R)
• M14: 13,413,992 km (0.086 R)
• M15: 14,586,840 km (0.073 R)
• M16: 15,302,067 km (0.112 R)
• M17: 19,053,383 km (0.108 R)
• M18: 21,629,608 km (0.1 R)
• M19: 22,091,566 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.8

Radius: 13.3

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.32 AU - 3.2 AU

Year: 3165 Days

Day: 7.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,299,557 km

• M1: 167,250 km (0.035 R)
• M2: 1,070,373 km (0.062 R)
• M3: 1,489,097 km (0.05 R)
• M4: 1,977,684 km (0.094 R)
• M5: 2,435,453 km (0.091 R)
• M6: 2,894,270 km (0.077 R)
• M7: 3,667,691 km (0.05 R)
• M8: 5,387,319 km (0.088 R)
• M9: 6,365,389 km (0.064 R)
• M10: 11,278,931 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.9

Radius: 10.5

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.61 AU - 5.47 AU

Year: 6677 Days

Day: 6.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,299,557 km

• M1: 132,993 km (0.061 R)
• M2: 490,083 km (0.073 R)
• M3: 1,007,990 km (0.087 R)
• M4: 1,338,751 km (0.104 R)
• M5: 1,808,189 km (0.052 R)
• M6: 2,230,504 km (0.102 R)
• M7: 2,824,258 km (0.043 R)
• M8: 4,572,309 km (0.044 R)
• M9: 5,171,299 km (0.098 R)
• M10: 5,733,937 km (0.096 R)
• M11: 6,915,461 km (0.025 R)
• M12: 8,141,116 km (0.103 R)
• M13: 8,669,945 km (0.094 R)
• M14: 9,141,327 km (0.068 R)
• M15: 10,482,472 km (0.03 R)
• M16: 12,733,920 km (0.107 R)
• M17: 13,760,910 km (0.072 R)
• M18: 14,676,449 km (0.09 R)
• M19: 15,290,249 km (0.067 R)
• M20: 18,361,942 km (0.06 R)
• M21: 23,973,358 km (0.103 R)
• M22: 26,670,009 km (0.068 R)
• M23: 27,921,695 km (0.099 R)
• M24: 28,347,600 km (0.052 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 11,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit