🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.52 AU - 0.56 AU

Year: 252 Days

Day: 37 Hours

Environment

Temp: -122 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,011,252 km

• M1: 145,260 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.52 AU - 0.68 AU

Year: 296 Days

Day: 38 Hours

Environment

Temp: -127 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.51 AU - 0.81 AU

Year: 341 Days

Day: 16.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.1

Radius: 8.1

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.93 AU - 0.99 AU

Year: 598 Days

Day: 10.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,011,252 km

• M1: 100,679 km (0.067 R)
• M2: 526,136 km (0.071 R)
• M3: 1,313,918 km (0.077 R)
• M4: 1,628,672 km (0.051 R)
• M5: 3,144,398 km (0.12 R)
• M6: 3,849,153 km (0.045 R)
• M7: 4,394,886 km (0.098 R)
• M8: 5,394,649 km (0.098 R)
• M9: 6,382,593 km (0.117 R)
• M10: 6,717,393 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.2

Radius: 12.7

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.17 AU - 1.85 AU

Year: 1180 Days

Day: 13.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 18,011,252 km

• M1: 157,975 km (0.107 R)
• M2: 591,809 km (0.084 R)
• M3: 1,118,693 km (0.108 R)
• M4: 1,845,739 km (0.096 R)
• M5: 2,802,118 km (0.079 R)
• M6: 3,677,415 km (0.026 R)
• M7: 4,117,532 km (0.1 R)
• M8: 4,592,954 km (0.076 R)
• M9: 5,145,868 km (0.108 R)
• M10: 6,433,606 km (0.106 R)
• M11: 7,680,355 km (0.105 R)
• M12: 8,432,982 km (0.106 R)
• M13: 9,295,563 km (0.073 R)
• M14: 9,859,846 km (0.1 R)
• M15: 10,988,562 km (0.115 R)
• M16: 11,477,597 km (0.114 R)
• M17: 12,127,750 km (0.05 R)
• M18: 12,917,028 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.9

Radius: 9.8

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.72 AU - 2.66 AU

Year: 2061 Days

Day: 8 Hours

Environment

Temp: -196 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,011,252 km

• M1: 147,055 km (0.099 R)
• M2: 776,563 km (0.116 R)
• M3: 1,142,778 km (0.062 R)
• M4: 1,635,404 km (0.032 R)
• M5: 2,200,884 km (0.05 R)
• M6: 3,114,478 km (0.065 R)
• M7: 3,612,340 km (0.079 R)
• M8: 4,242,596 km (0.094 R)
• M9: 6,854,874 km (0.057 R)
• M10: 8,742,649 km (0.082 R)
• M11: 13,647,215 km (0.085 R)
• M12: 13,961,520 km (0.088 R)
• M13: 14,697,841 km (0.079 R)
• M14: 17,010,774 km (0.108 R)
• M15: 17,957,579 km (0.11 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 19,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit