🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.6 AU - 0.92 AU

Year: 240 Days

Day: 29.5 Hours

Environment

Temp: 118 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 44,337,611 km

• M1: 119,080 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.3

Radius: 13

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.45 AU - 10.11 AU

Year: 8617 Days

Day: 7.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,337,611 km

• M1: 161,715 km (0.099 R)
• M2: 921,373 km (0.035 R)
• M3: 1,829,432 km (0.072 R)
• M4: 2,621,703 km (0.119 R)
• M5: 3,097,873 km (0.116 R)
• M6: 3,823,273 km (0.095 R)
• M7: 6,517,082 km (0.113 R)
• M8: 7,990,172 km (0.114 R)
• M9: 13,735,927 km (0.082 R)
• M10: 14,751,996 km (0.043 R)
• M11: 16,075,787 km (0.099 R)
• M12: 16,534,155 km (0.109 R)
• M13: 17,068,668 km (0.044 R)
• M14: 17,683,964 km (0.09 R)
• M15: 18,455,740 km (0.059 R)
• M16: 20,829,559 km (0.113 R)
• M17: 22,089,771 km (0.031 R)
• M18: 22,738,577 km (0.064 R)
• M19: 24,330,747 km (0.112 R)
• M20: 27,178,343 km (0.095 R)
• M21: 28,301,374 km (0.043 R)
• M22: 30,440,025 km (0.09 R)
• M23: 34,061,490 km (0.092 R)
• M24: 35,920,244 km (0.114 R)
• M25: 37,158,316 km (0.104 R)
• M26: 39,719,581 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.2

Radius: 12.6

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.07 AU - 10.03 AU

Year: 9846 Days

Day: 6.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,337,611 km

• M1: 156,629 km (0.043 R)
• M2: 956,828 km (0.085 R)
• M3: 1,822,700 km (0.077 R)
• M4: 3,009,311 km (0.091 R)
• M5: 4,025,080 km (0.089 R)
• M6: 4,791,021 km (0.063 R)
• M7: 6,119,750 km (0.089 R)
• M8: 8,791,568 km (0.112 R)
• M9: 15,495,048 km (0.072 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.2

Radius: 7.4

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 13.15 AU - 14.25 AU

Year: 18339 Days

Day: 18.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,337,611 km

• M1: 92,302 km (0.11 R)
• M2: 537,954 km (0.117 R)
• M3: 887,714 km (0.1 R)
• M4: 2,088,237 km (0.079 R)
• M5: 2,351,379 km (0.075 R)
• M6: 3,186,285 km (0.115 R)
• M7: 3,860,971 km (0.077 R)
• M8: 4,259,799 km (0.114 R)
• M9: 4,656,533 km (0.062 R)
• M10: 5,722,867 km (0.077 R)
• M11: 6,791,743 km (0.091 R)
• M12: 10,184,473 km (0.104 R)
• M13: 11,155,513 km (0.1 R)
• M14: 11,909,636 km (0.082 R)
• M15: 14,438,289 km (0.109 R)
• M16: 15,138,557 km (0.11 R)
• M17: 15,464,231 km (0.103 R)
• M18: 18,313,771 km (0.115 R)
• M19: 20,056,437 km (0.06 R)
• M20: 21,008,179 km (0.085 R)
• M21: 25,758,659 km (0.029 R)
• M22: 28,332,939 km (0.108 R)
• M23: 34,433,241 km (0.028 R)
• M24: 36,258,335 km (0.114 R)
• M25: 36,841,767 km (0.111 R)

Kuiper Belt

Range: 30.3 - 51.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 13,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit