🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1 AU - 1.04 AU

Year: 378 Days

Day: 45.4 Hours

Environment

Temp: 39 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 55,138,467 km

• M1: 86,617 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.92 AU - 1.28 AU

Year: 424 Days

Day: 25.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 38.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 55,138,467 km

• M1: 21,392 km (0.045 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.48 AU - 1.62 AU

Year: 708 Days

Day: 22.8 Hours

Environment

Temp: -43 °C

Axial Tilt: 45.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 55,138,467 km

• M1: 156,629 km (0.057 R)
• M2: 406,158 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.83 AU - 2.53 AU

Year: 1182 Days

Day: 16.9 Hours

Environment

Temp: -71 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,138,467 km

• M1: 1,621,342 km (0.052 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.46 AU - 3.24 AU

Year: 1766 Days

Day: 39.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.99 AU - 3.35 AU

Year: 2072 Days

Day: 32.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.2

Radius: 9.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.51 AU - 7.05 AU

Year: 5777 Days

Day: 10.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,138,467 km

• M1: 118,182 km (0.109 R)
• M2: 470,336 km (0.055 R)
• M3: 1,251,835 km (0.1 R)
• M4: 1,678,638 km (0.089 R)
• M5: 2,525,362 km (0.106 R)
• M6: 3,137,815 km (0.051 R)
• M7: 4,089,557 km (0.107 R)
• M8: 4,583,529 km (0.079 R)
• M9: 5,064,187 km (0.105 R)
• M10: 6,337,863 km (0.1 R)
• M11: 6,935,357 km (0.092 R)
• M12: 8,426,100 km (0.088 R)
• M13: 9,747,947 km (0.076 R)
• M14: 12,554,104 km (0.078 R)
• M15: 13,193,784 km (0.107 R)
• M16: 14,861,202 km (0.076 R)
• M17: 16,723,097 km (0.119 R)
• M18: 19,505,917 km (0.074 R)
• M19: 22,799,463 km (0.086 R)
• M20: 24,882,614 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.6

Radius: 12.5

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.38 AU - 9.52 AU

Year: 8229 Days

Day: 8.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,138,467 km

• M1: 165,904 km (0.082 R)
• M2: 672,742 km (0.048 R)
• M3: 1,137,243 km (0.058 R)
• M4: 2,229,906 km (0.059 R)
• M5: 3,399,911 km (0.08 R)
• M6: 4,320,835 km (0.089 R)
• M7: 5,657,193 km (0.03 R)
• M8: 6,056,470 km (0.096 R)
• M9: 6,763,769 km (0.072 R)
• M10: 7,368,892 km (0.107 R)
• M11: 8,862,627 km (0.08 R)
• M12: 9,495,126 km (0.082 R)
• M13: 15,560,123 km (0.037 R)
• M14: 16,548,816 km (0.094 R)
• M15: 20,847,062 km (0.098 R)
• M16: 21,242,449 km (0.102 R)
• M17: 25,297,299 km (0.11 R)
• M18: 26,756,178 km (0.113 R)
• M19: 28,078,174 km (0.117 R)
• M20: 30,647,966 km (0.096 R)
• M21: 33,586,816 km (0.117 R)
• M22: 41,123,856 km (0.109 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.4

Radius: 13.5

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 10.44 AU - 13.86 AU

Year: 15547 Days

Day: 7.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,138,467 km

• M1: 168,597 km (0.093 R)
• M2: 1,134,101 km (0.077 R)
• M3: 1,622,539 km (0.12 R)
• M4: 2,484,521 km (0.042 R)
• M5: 3,136,918 km (0.068 R)
• M6: 6,209,209 km (0.085 R)
• M7: 9,214,182 km (0.064 R)
• M8: 12,100,972 km (0.079 R)
• M9: 14,176,642 km (0.104 R)
• M10: 14,849,982 km (0.059 R)
• M11: 19,594,180 km (0.104 R)
• M12: 20,430,132 km (0.026 R)
• M13: 21,202,805 km (0.113 R)
• M14: 25,263,789 km (0.079 R)
• M15: 29,598,388 km (0.115 R)
• M16: 34,045,932 km (0.103 R)
• M17: 37,756,707 km (0.096 R)
• M18: 45,100,916 km (0.088 R)
• M19: 49,106,997 km (0.078 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 13,194 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit