🌌 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 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.5 AU - 0.74 AU

Year: 320 Days

Day: 46 Hours

Environment

Temp: -130 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,357,321 km

• M1: 19,298 km (0.069 R)
• M2: 258,056 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.61 AU - 0.71 AU

Year: 352 Days

Day: 47.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169

Radius: 14.7

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.63 AU - 0.81 AU

Year: 401 Days

Day: 10.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,357,321 km

• M1: 182,809 km (0.096 R)
• M2: 717,172 km (0.119 R)
• M3: 1,191,248 km (0.119 R)
• M4: 1,791,285 km (0.109 R)
• M5: 2,551,840 km (0.092 R)
• M6: 3,071,843 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.1

Radius: 9.3

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.77 AU - 2.41 AU

Year: 1982 Days

Day: 11.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,357,321 km

• M1: 117,584 km (0.112 R)
• M2: 439,818 km (0.083 R)
• M3: 884,123 km (0.08 R)
• M4: 1,230,293 km (0.117 R)
• M5: 1,817,016 km (0.119 R)
• M6: 2,244,566 km (0.083 R)
• M7: 2,857,469 km (0.099 R)
• M8: 3,455,860 km (0.117 R)
• M9: 4,517,706 km (0.09 R)
• M10: 5,169,354 km (0.113 R)
• M11: 5,494,281 km (0.09 R)
• M12: 6,961,088 km (0.044 R)
• M13: 8,197,664 km (0.07 R)
• M14: 9,369,165 km (0.099 R)
• M15: 10,685,776 km (0.108 R)
• M16: 13,248,088 km (0.119 R)
• M17: 13,638,539 km (0.057 R)
• M18: 14,216,136 km (0.118 R)
• M19: 14,856,265 km (0.076 R)
• M20: 15,325,105 km (0.105 R)
• M21: 16,292,555 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.3

Radius: 13.6

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.87 AU - 4.51 AU

Year: 5626 Days

Day: 11.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,357,321 km

• M1: 170,093 km (0.081 R)
• M2: 832,213 km (0.103 R)
• M3: 1,375,253 km (0.099 R)
• M4: 2,330,735 km (0.118 R)
• M5: 3,101,313 km (0.036 R)
• M6: 3,691,477 km (0.06 R)
• M7: 4,193,976 km (0.106 R)
• M8: 5,230,690 km (0.077 R)
• M9: 7,635,625 km (0.095 R)
• M10: 11,186,480 km (0.097 R)
• M11: 12,388,948 km (0.118 R)
• M12: 14,511,293 km (0.097 R)
• M13: 15,105,047 km (0.119 R)
• M14: 17,102,926 km (0.114 R)
• M15: 18,010,985 km (0.114 R)
• M16: 19,726,274 km (0.074 R)
• M17: 20,522,584 km (0.051 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 10,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit