🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.53 AU - 0.77 AU

Year: 344 Days

Day: 31.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 14,527,066 km

• M1: 98,585 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.6

Radius: 9.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.56 AU - 0.92 AU

Year: 418 Days

Day: 5.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 14,527,066 km

• M1: 123,119 km (0.115 R)
• M2: 460,761 km (0.105 R)
• M3: 769,980 km (0.093 R)
• M4: 1,170,753 km (0.117 R)
• M5: 1,535,921 km (0.07 R)
• M6: 2,416,305 km (0.069 R)
• M7: 3,277,241 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.9

Radius: 9.4

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.86 AU - 1.06 AU

Year: 617 Days

Day: 13.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 14,527,066 km

• M1: 116,836 km (0.092 R)
• M2: 503,397 km (0.069 R)
• M3: 880,084 km (0.112 R)
• M4: 1,254,378 km (0.094 R)
• M5: 1,588,879 km (0.08 R)
• M6: 1,889,272 km (0.08 R)
• M7: 2,314,129 km (0.111 R)
• M8: 2,937,055 km (0.081 R)
• M9: 3,735,160 km (0.102 R)
• M10: 4,069,361 km (0.113 R)
• M11: 4,378,131 km (0.091 R)
• M12: 4,702,609 km (0.097 R)
• M13: 5,043,243 km (0.099 R)
• M14: 5,348,124 km (0.077 R)
• M15: 5,883,983 km (0.119 R)
• M16: 6,876,715 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.3

Radius: 12.6

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.92 AU - 1.3 AU

Year: 767 Days

Day: 12.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,527,066 km

• M1: 156,779 km (0.094 R)
• M2: 567,724 km (0.105 R)
• M3: 1,249,441 km (0.097 R)
• M4: 1,717,832 km (0.066 R)
• M5: 2,447,571 km (0.099 R)
• M6: 2,895,467 km (0.113 R)
• M7: 3,683,399 km (0.062 R)
• M8: 4,552,862 km (0.09 R)
• M9: 5,236,374 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.9

Radius: 9.9

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.33 AU - 2.07 AU

Year: 1454 Days

Day: 11.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,527,066 km

• M1: 123,418 km (0.096 R)
• M2: 485,445 km (0.076 R)
• M3: 835,055 km (0.092 R)
• M4: 1,145,172 km (0.091 R)
• M5: 1,453,194 km (0.025 R)
• M6: 1,945,371 km (0.109 R)
• M7: 2,291,839 km (0.105 R)
• M8: 2,707,273 km (0.11 R)
• M9: 3,066,308 km (0.025 R)
• M10: 3,489,969 km (0.079 R)
• M11: 3,863,664 km (0.047 R)
• M12: 6,127,230 km (0.054 R)
• M13: 6,827,946 km (0.103 R)
• M14: 7,442,793 km (0.113 R)
• M15: 10,006,153 km (0.12 R)
• M16: 10,518,974 km (0.055 R)
• M17: 11,709,025 km (0.109 R)
• M18: 12,906,706 km (0.073 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 12,248 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit