🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.08 AU - 1.68 AU

Year: 608 Days

Day: 46.4 Hours

Environment

Temp: -34 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,474,565 km

• M1: 300,542 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.7

Radius: 13.5

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.68 AU - 6.98 AU

Year: 5968 Days

Day: 10.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,474,565 km

• M1: 167,998 km (0.089 R)
• M2: 693,685 km (0.112 R)
• M3: 1,457,083 km (0.102 R)
• M4: 2,225,119 km (0.091 R)
• M5: 2,720,138 km (0.118 R)
• M6: 4,003,239 km (0.09 R)
• M7: 4,793,714 km (0.08 R)
• M8: 5,657,193 km (0.083 R)
• M9: 6,750,155 km (0.106 R)
• M10: 7,381,309 km (0.091 R)
• M11: 7,835,787 km (0.085 R)
• M12: 10,011,389 km (0.082 R)
• M13: 12,079,130 km (0.086 R)
• M14: 12,662,413 km (0.027 R)
• M15: 13,833,016 km (0.102 R)
• M16: 14,310,233 km (0.112 R)
• M17: 16,271,910 km (0.075 R)
• M18: 17,408,854 km (0.106 R)
• M19: 18,154,001 km (0.093 R)
• M20: 20,312,698 km (0.086 R)
• M21: 26,409,559 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.9

Radius: 13.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.62 AU - 12.6 AU

Year: 12951 Days

Day: 7.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,474,565 km

• M1: 174,880 km (0.116 R)
• M2: 599,738 km (0.059 R)
• M3: 1,125,574 km (0.076 R)
• M4: 2,143,139 km (0.119 R)
• M5: 2,781,623 km (0.097 R)
• M6: 3,477,702 km (0.089 R)
• M7: 4,988,191 km (0.108 R)
• M8: 5,517,319 km (0.054 R)
• M9: 6,970,513 km (0.095 R)
• M10: 10,060,606 km (0.061 R)
• M11: 13,072,460 km (0.068 R)
• M12: 16,640,519 km (0.107 R)
• M13: 21,722,808 km (0.115 R)
• M14: 24,281,978 km (0.057 R)
• M15: 30,375,848 km (0.111 R)
• M16: 30,958,083 km (0.114 R)
• M17: 35,887,632 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.5

Radius: 7.1

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 14.55 AU - 20.51 AU

Year: 27504 Days

Day: 18.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,474,565 km

• M1: 107,112 km (0.08 R)
• M2: 891,005 km (0.084 R)
• M3: 1,338,303 km (0.111 R)
• M4: 1,945,969 km (0.044 R)
• M5: 3,025,168 km (0.105 R)
• M6: 3,937,865 km (0.081 R)
• M7: 4,356,888 km (0.092 R)
• M8: 5,059,250 km (0.081 R)
• M9: 6,510,051 km (0.116 R)
• M10: 7,189,374 km (0.072 R)
• M11: 25,505,091 km (0.034 R)
• M12: 29,414,831 km (0.102 R)
• M13: 31,134,608 km (0.101 R)
• M14: 33,311,855 km (0.081 R)
• M15: 37,397,972 km (0.099 R)
• M16: 47,041,499 km (0.079 R)
• M17: 64,926,972 km (0.091 R)
• M18: 70,391,632 km (0.084 R)
• M19: 74,349,394 km (0.118 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 17,610 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit