🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.2

Radius: 14.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.6 AU - 0.62 AU

Year: 323 Days

Day: 14.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,140,420 km

• M1: 177,124 km (0.1 R)
• M2: 632,350 km (0.12 R)
• M3: 1,318,855 km (0.097 R)
• M4: 1,949,709 km (0.097 R)
• M5: 2,437,249 km (0.069 R)
• M6: 3,446,137 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377

Radius: 8.7

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.4 AU - 1.5 AU

Year: 1184 Days

Day: 13.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,140,420 km

• M1: 108,608 km (0.097 R)
• M2: 400,922 km (0.098 R)
• M3: 827,127 km (0.083 R)
• M4: 1,372,411 km (0.082 R)
• M5: 2,070,883 km (0.094 R)
• M6: 2,405,534 km (0.092 R)
• M7: 3,131,383 km (0.094 R)
• M8: 3,589,003 km (0.041 R)
• M9: 3,949,234 km (0.111 R)
• M10: 4,552,263 km (0.115 R)
• M11: 5,818,759 km (0.065 R)
• M12: 6,253,640 km (0.113 R)
• M13: 6,754,643 km (0.111 R)
• M14: 7,400,307 km (0.071 R)
• M15: 8,290,265 km (0.111 R)
• M16: 8,654,985 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.9

Radius: 13.9

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.3 AU - 3.66 AU

Year: 4403 Days

Day: 8.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,140,420 km

• M1: 174,730 km (0.054 R)
• M2: 680,222 km (0.05 R)
• M3: 1,212,640 km (0.12 R)
• M4: 1,663,828 km (0.057 R)
• M5: 2,711,312 km (0.094 R)
• M6: 3,757,300 km (0.091 R)
• M7: 4,325,922 km (0.073 R)
• M8: 5,608,723 km (0.076 R)
• M9: 6,898,556 km (0.062 R)
• M10: 9,152,697 km (0.104 R)
• M11: 11,484,928 km (0.117 R)
• M12: 12,689,041 km (0.083 R)
• M13: 13,193,635 km (0.064 R)
• M14: 15,347,844 km (0.073 R)
• M15: 15,863,209 km (0.089 R)
• M16: 17,602,733 km (0.054 R)
• M17: 20,070,798 km (0.032 R)
• M18: 21,105,716 km (0.117 R)
• M19: 22,031,129 km (0.109 R)
• M20: 22,909,268 km (0.088 R)
• M21: 23,432,262 km (0.103 R)
• M22: 25,206,792 km (0.11 R)
• M23: 25,844,678 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68

Radius: 5.5

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.93 AU - 8.15 AU

Year: 11344 Days

Day: 20.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,140,420 km

• M1: 68,366 km (0.109 R)
• M2: 346,319 km (0.115 R)
• M3: 521,498 km (0.086 R)
• M4: 1,410,259 km (0.025 R)
• M5: 1,864,588 km (0.096 R)
• M6: 2,457,594 km (0.05 R)
• M7: 2,935,260 km (0.094 R)
• M8: 3,754,607 km (0.119 R)
• M9: 5,346,329 km (0.078 R)
• M10: 6,957,647 km (0.028 R)
• M11: 7,637,420 km (0.119 R)
• M12: 10,305,199 km (0.114 R)
• M13: 11,015,340 km (0.111 R)
• M14: 11,891,834 km (0.086 R)
• M15: 14,386,977 km (0.044 R)
• M16: 18,935,500 km (0.065 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 17,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit