🌌 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: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.54 AU - 0.58 AU

Year: 152 Days

Day: 40.5 Hours

Environment

Temp: 175 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.8 AU - 1.92 AU

Year: 922 Days

Day: 46.9 Hours

Environment

Temp: -57 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,644,327 km

• M1: 13,913 km (0.067 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.34 AU - 3.66 AU

Year: 2380 Days

Day: 44.5 Hours

Environment

Temp: -105 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.55 AU - 5.87 AU

Year: 3715 Days

Day: 34.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.8

Radius: 14.4

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.43 AU - 8.97 AU

Year: 7021 Days

Day: 8 Hours

Environment

Temp: -162 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,644,327 km

• M1: 179,069 km (0.096 R)
• M2: 640,578 km (0.096 R)
• M3: 1,137,243 km (0.072 R)
• M4: 2,596,121 km (0.085 R)
• M5: 3,051,647 km (0.119 R)
• M6: 3,713,767 km (0.07 R)
• M7: 4,859,836 km (0.106 R)
• M8: 5,414,246 km (0.104 R)
• M9: 6,010,842 km (0.09 R)
• M10: 7,126,244 km (0.087 R)
• M11: 8,031,311 km (0.08 R)
• M12: 10,336,764 km (0.111 R)
• M13: 11,305,709 km (0.12 R)
• M14: 11,886,149 km (0.081 R)
• M15: 13,371,357 km (0.1 R)
• M16: 14,919,695 km (0.101 R)
• M17: 16,036,593 km (0.112 R)
• M18: 16,523,234 km (0.099 R)
• M19: 17,526,139 km (0.086 R)
• M20: 18,903,636 km (0.042 R)
• M21: 24,817,688 km (0.104 R)
• M22: 25,387,507 km (0.109 R)
• M23: 28,545,667 km (0.092 R)
• M24: 29,261,643 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.3

Radius: 8

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 10.93 AU - 10.93 AU

Year: 13133 Days

Day: 13.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,644,327 km

• M1: 99,483 km (0.055 R)
• M2: 398,230 km (0.106 R)
• M3: 662,120 km (0.109 R)
• M4: 946,356 km (0.076 R)
• M5: 1,442,123 km (0.09 R)
• M6: 2,118,605 km (0.056 R)
• M7: 2,469,861 km (0.106 R)
• M8: 2,859,713 km (0.1 R)
• M9: 4,969,192 km (0.112 R)
• M10: 5,592,118 km (0.035 R)
• M11: 6,083,846 km (0.04 R)
• M12: 7,397,914 km (0.059 R)
• M13: 8,891,499 km (0.083 R)
• M14: 9,709,201 km (0.104 R)
• M15: 10,576,121 km (0.071 R)
• M16: 11,109,736 km (0.106 R)
• M17: 13,860,692 km (0.1 R)
• M18: 14,370,222 km (0.117 R)
• M19: 15,630,734 km (0.094 R)
• M20: 17,842,987 km (0.102 R)
• M21: 18,446,165 km (0.072 R)
• M22: 22,702,524 km (0.119 R)
• M23: 23,500,180 km (0.062 R)
• M24: 24,870,945 km (0.063 R)
• M25: 29,406,453 km (0.089 R)
• M26: 34,929,756 km (0.096 R)
• M27: 39,182,824 km (0.077 R)
• M28: 42,958,375 km (0.035 R)
• M29: 48,699,941 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.5

Radius: 9.2

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 11.15 AU - 11.19 AU

Year: 13568 Days

Day: 5.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,644,327 km

• M1: 114,442 km (0.111 R)
• M2: 427,551 km (0.116 R)
• M3: 1,394,103 km (0.039 R)
• M4: 2,914,017 km (0.083 R)
• M5: 3,544,273 km (0.07 R)
• M6: 5,683,971 km (0.112 R)
• M7: 6,340,855 km (0.091 R)
• M8: 6,708,717 km (0.115 R)
• M9: 7,622,610 km (0.09 R)
• M10: 11,036,284 km (0.109 R)
• M11: 18,786,501 km (0.094 R)
• M12: 21,309,768 km (0.105 R)
• M13: 22,889,521 km (0.091 R)
• M14: 29,878,734 km (0.039 R)
• M15: 34,539,007 km (0.068 R)
• M16: 35,807,597 km (0.084 R)
• M17: 46,024,533 km (0.072 R)
• M18: 53,035,437 km (0.053 R)

Kuiper Belt

Range: 30.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 15,491 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit