🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.47 AU - 0.63 AU

Year: 144 Days

Day: 46.3 Hours

Environment

Temp: 212 °C

Axial Tilt: 46.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.7 AU - 0.74 AU

Year: 216 Days

Day: 42 Hours

Environment

Temp: 134 °C

Axial Tilt: 21.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.73 AU - 0.75 AU

Year: 225 Days

Day: 46.2 Hours

Environment

Temp: 162 °C

Axial Tilt: 13.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.69 AU - 0.83 AU

Year: 234 Days

Day: 31.9 Hours

Environment

Temp: 197 °C

Axial Tilt: 2.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.1 AU - 2.24 AU

Year: 1129 Days

Day: 17.5 Hours

Environment

Temp: -65 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,222,935 km

• M1: 1,053,019 km (0.075 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.15 AU - 2.59 AU

Year: 1288 Days

Day: 22.2 Hours

Environment

Temp: -71 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,222,935 km

• M1: 815,757 km (0.106 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.83 AU - 5.41 AU

Year: 3506 Days

Day: 14.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.9

Radius: 11.1

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.84 AU - 7.36 AU

Year: 5987 Days

Day: 13 Hours

Environment

Temp: -146 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 26,222,935 km

• M1: 172,337 km (0.099 R)
• M2: 338,989 km (0.097 R)
• M3: 550,520 km (0.03 R)
• M4: 807,380 km (0.096 R)
• M5: 938,278 km (0.037 R)
• M6: 1,115,701 km (0.04 R)
• M7: 1,208,900 km (0.09 R)
• M8: 1,431,951 km (0.037 R)
• M9: 1,519,166 km (0.061 R)
• M10: 1,593,217 km (0.101 R)
• M11: 1,966,464 km (0.055 R)
• M12: 2,332,530 km (0.114 R)
• M13: 2,666,283 km (0.09 R)
• M14: 2,977,895 km (0.116 R)
• M15: 3,204,985 km (0.101 R)
• M16: 3,418,311 km (0.062 R)
• M17: 3,536,494 km (0.092 R)
• M18: 3,616,229 km (0.074 R)
• M19: 3,940,857 km (0.081 R)
• M20: 4,190,685 km (0.114 R)
• M21: 4,531,768 km (0.095 R)
• M22: 4,837,846 km (0.098 R)
• M23: 5,105,476 km (0.099 R)
• M24: 5,286,639 km (0.091 R)
• M25: 5,493,084 km (0.032 R)
• M26: 5,562,348 km (0.085 R)
• M27: 5,702,072 km (0.042 R)
• M28: 6,032,534 km (0.12 R)
• M29: 6,272,489 km (0.087 R)
• M30: 6,662,940 km (0.113 R)
• M31: 7,061,319 km (0.111 R)
• M32: 7,365,302 km (0.096 R)
• M33: 8,516,158 km (0.101 R)
• M34: 8,921,269 km (0.068 R)
• M35: 9,415,840 km (0.04 R)
• M36: 10,575,373 km (0.072 R)
• M37: 11,127,987 km (0.06 R)
• M38: 11,452,166 km (0.111 R)
• M39: 11,630,337 km (0.067 R)
• M40: 11,779,486 km (0.05 R)
• M41: 12,352,296 km (0.077 R)
• M42: 12,473,919 km (0.099 R)
• M43: 12,596,141 km (0.079 R)
• M44: 13,587,526 km (0.098 R)
• M45: 13,776,169 km (0.072 R)
• M46: 13,934,144 km (0.084 R)
• M47: 14,188,012 km (0.111 R)
• M48: 14,700,534 km (0.047 R)
• M49: 15,023,815 km (0.067 R)
• M50: 15,153,816 km (0.047 R)
• M51: 15,316,877 km (0.09 R)
• M52: 15,875,625 km (0.057 R)
• M53: 16,174,073 km (0.093 R)
• M54: 16,307,365 km (0.119 R)
• M55: 17,250,430 km (0.112 R)
• M56: 18,072,769 km (0.11 R)
• M57: 18,211,147 km (0.111 R)
• M58: 18,663,082 km (0.026 R)
• M59: 19,400,899 km (0.044 R)
• M60: 19,471,808 km (0.095 R)
• M61: 19,613,478 km (0.115 R)
• M62: 20,076,782 km (0.112 R)
• M63: 20,220,097 km (0.112 R)
• M64: 20,651,986 km (0.058 R)
• M65: 20,760,445 km (0.096 R)
• M66: 21,232,575 km (0.112 R)
• M67: 21,415,085 km (0.074 R)
• M68: 21,488,238 km (0.074 R)
• M69: 21,671,496 km (0.101 R)
• M70: 22,595,562 km (0.112 R)
• M71: 23,381,698 km (0.118 R)
• M72: 24,176,961 km (0.11 R)
• M73: 24,482,140 km (0.12 R)
• M74: 24,904,006 km (0.067 R)
• M75: 25,289,520 km (0.105 R)
• M76: 25,366,862 km (0.107 R)
• M77: 25,521,846 km (0.104 R)
• M78: 25,715,874 km (0.104 R)
• M79: 25,988,591 km (0.086 R)

Kuiper Belt

Range: 31.1 - 54.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 19,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit