🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.49 AU - 0.67 AU

Year: 165 Days

Day: 31 Hours

Environment

Temp: 136 °C

Axial Tilt: 5.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.8 AU - 1.2 AU

Year: 373 Days

Day: 32.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 60,351,725 km

• M1: 404,812 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.9

Radius: 12.5

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.3 AU - 7.08 AU

Year: 5741 Days

Day: 11.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,351,725 km

• M1: 156,180 km (0.11 R)
• M2: 580,290 km (0.107 R)
• M3: 1,756,129 km (0.058 R)
• M4: 2,171,862 km (0.096 R)
• M5: 2,830,242 km (0.092 R)
• M6: 3,661,258 km (0.052 R)
• M7: 4,277,302 km (0.11 R)
• M8: 4,908,456 km (0.062 R)
• M9: 5,457,480 km (0.111 R)
• M10: 6,326,195 km (0.11 R)
• M11: 6,910,374 km (0.074 R)
• M12: 7,424,542 km (0.099 R)
• M13: 8,224,891 km (0.07 R)
• M14: 9,122,029 km (0.036 R)
• M15: 9,615,553 km (0.066 R)
• M16: 10,345,142 km (0.053 R)
• M17: 13,166,707 km (0.068 R)
• M18: 18,017,867 km (0.091 R)
• M19: 21,052,609 km (0.067 R)
• M20: 21,770,679 km (0.115 R)
• M21: 25,125,860 km (0.12 R)
• M22: 26,426,913 km (0.084 R)
• M23: 28,811,353 km (0.047 R)
• M24: 29,786,133 km (0.096 R)
• M25: 30,417,885 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.5

Radius: 5.2

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 11.12 AU - 18.1 AU

Year: 20818 Days

Day: 18.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,351,725 km

• M1: 64,626 km (0.099 R)
• M2: 264,040 km (0.065 R)
• M3: 554,260 km (0.076 R)
• M4: 1,291,329 km (0.11 R)
• M5: 1,985,164 km (0.098 R)
• M6: 2,153,312 km (0.106 R)
• M7: 3,168,184 km (0.111 R)
• M8: 4,129,200 km (0.081 R)
• M9: 5,200,172 km (0.088 R)
• M10: 5,743,511 km (0.117 R)
• M11: 6,165,377 km (0.089 R)
• M12: 6,985,024 km (0.116 R)
• M13: 8,888,507 km (0.117 R)
• M14: 10,315,372 km (0.105 R)
• M15: 12,636,233 km (0.12 R)
• M16: 15,067,647 km (0.054 R)
• M17: 15,428,178 km (0.099 R)
• M18: 15,647,339 km (0.048 R)
• M19: 17,475,874 km (0.119 R)
• M20: 17,793,919 km (0.106 R)
• M21: 18,441,378 km (0.109 R)
• M22: 19,020,920 km (0.118 R)
• M23: 23,710,664 km (0.053 R)
• M24: 27,695,054 km (0.112 R)
• M25: 28,564,068 km (0.075 R)
• M26: 30,242,257 km (0.03 R)
• M27: 37,878,031 km (0.081 R)
• M28: 57,854,882 km (0.107 R)
• M29: 60,351,671 km (0.047 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 11,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit