🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.46 AU - 0.72 AU

Year: 297 Days

Day: 43.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.1

Radius: 12.8

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.87 AU - 1.15 AU

Year: 666 Days

Day: 5.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,652,852 km

• M1: 159,172 km (0.079 R)
• M2: 564,582 km (0.033 R)
• M3: 1,016,368 km (0.063 R)
• M4: 1,562,999 km (0.091 R)
• M5: 2,390,125 km (0.077 R)
• M6: 2,994,650 km (0.065 R)
• M7: 3,673,077 km (0.106 R)
• M8: 4,840,987 km (0.114 R)
• M9: 5,303,843 km (0.102 R)
• M10: 5,778,218 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.5

Radius: 8.4

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.82 AU - 2.34 AU

Year: 1968 Days

Day: 12.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,652,852 km

• M1: 104,419 km (0.117 R)
• M2: 392,694 km (0.1 R)
• M3: 805,585 km (0.081 R)
• M4: 1,066,932 km (0.073 R)
• M5: 1,354,010 km (0.054 R)
• M6: 1,898,846 km (0.107 R)
• M7: 2,338,364 km (0.068 R)
• M8: 2,608,089 km (0.076 R)
• M9: 3,094,881 km (0.089 R)
• M10: 4,523,092 km (0.057 R)
• M11: 4,866,269 km (0.079 R)
• M12: 5,267,790 km (0.11 R)
• M13: 5,713,292 km (0.119 R)
• M14: 6,137,552 km (0.103 R)
• M15: 6,511,247 km (0.066 R)
• M16: 7,994,211 km (0.097 R)
• M17: 8,383,465 km (0.101 R)
• M18: 11,195,905 km (0.071 R)

Asteroid Belt

Center: 4.03 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.3

Radius: 4.3

Gravity: 42.31 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5 AU - 6.94 AU

Year: 9569 Days

Day: 21.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,652,852 km

• M1: 54,603 km (0.116 R)
• M2: 271,819 km (0.09 R)
• M3: 543,190 km (0.099 R)
• M4: 831,166 km (0.034 R)
• M5: 1,238,820 km (0.108 R)
• M6: 1,864,289 km (0.091 R)
• M7: 2,031,838 km (0.106 R)
• M8: 2,283,312 km (0.116 R)
• M9: 2,720,288 km (0.11 R)
• M10: 3,187,183 km (0.047 R)
• M11: 3,998,901 km (0.111 R)
• M12: 4,511,722 km (0.083 R)
• M13: 5,229,194 km (0.027 R)
• M14: 6,387,081 km (0.099 R)
• M15: 6,614,619 km (0.115 R)
• M16: 7,537,339 km (0.053 R)
• M17: 7,748,721 km (0.083 R)
• M18: 8,007,675 km (0.036 R)
• M19: 11,748,519 km (0.108 R)
• M20: 12,853,299 km (0.069 R)
• M21: 14,605,091 km (0.101 R)
• M22: 19,037,227 km (0.061 R)
• M23: 22,763,410 km (0.101 R)
• M24: 24,105,902 km (0.102 R)
• M25: 27,741,579 km (0.099 R)
• M26: 28,043,318 km (0.108 R)
• M27: 30,216,676 km (0.036 R)
• M28: 32,611,289 km (0.1 R)
• M29: 33,854,597 km (0.061 R)
• M30: 34,084,080 km (0.073 R)
• M31: 37,161,607 km (0.097 R)
• M32: 37,405,751 km (0.042 R)
• M33: 39,144,676 km (0.105 R)
• M34: 43,455,489 km (0.087 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 15,612 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit