🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.12 AU - 1.54 AU

Year: 443 Days

Day: 37.4 Hours

Environment

Temp: 189 °C

Axial Tilt: 2.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 95,629,219 km

• M1: 28,723 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.96 AU - 1.98 AU

Year: 798 Days

Day: 16.3 Hours

Environment

Temp: 121 °C

Axial Tilt: 3.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.31 AU - 2.51 AU

Year: 1080 Days

Day: 45.2 Hours

Environment

Temp: 37 °C

Axial Tilt: 11.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.43 AU - 3.25 AU

Year: 1382 Days

Day: 27.4 Hours

Environment

Temp: 2 °C

Axial Tilt: 13 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 9.31 AU - 11.53 AU

Year: 9713 Days

Day: 36.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 95,629,219 km

• M1: 1,286,242 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 21.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.5

Radius: 3.5

Gravity: 56.53 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 16.47 AU - 25.77 AU

Year: 28027 Days

Day: 21.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 95,629,219 km

• M1: 43,982 km (0.1 R)
• M2: 196,572 km (0.032 R)
• M3: 435,031 km (0.064 R)
• M4: 555,756 km (0.043 R)
• M5: 1,020,257 km (0.084 R)
• M6: 1,628,522 km (0.034 R)
• M7: 1,924,876 km (0.077 R)
• M8: 3,701,799 km (0.11 R)
• M9: 3,934,574 km (0.093 R)
• M10: 6,253,191 km (0.106 R)
• M11: 6,974,552 km (0.119 R)
• M12: 8,130,495 km (0.083 R)
• M13: 8,870,406 km (0.09 R)
• M14: 10,158,743 km (0.086 R)
• M15: 11,496,896 km (0.116 R)
• M16: 12,280,788 km (0.092 R)
• M17: 12,648,650 km (0.083 R)
• M18: 14,193,696 km (0.117 R)
• M19: 14,928,222 km (0.115 R)
• M20: 15,687,730 km (0.087 R)
• M21: 17,652,250 km (0.052 R)
• M22: 19,475,848 km (0.119 R)
• M23: 29,966,398 km (0.101 R)
• M24: 30,901,385 km (0.106 R)
• M25: 45,229,719 km (0.076 R)
• M26: 46,992,282 km (0.099 R)
• M27: 48,434,854 km (0.094 R)
• M28: 49,351,440 km (0.118 R)
• M29: 51,408,261 km (0.093 R)
• M30: 57,306,756 km (0.046 R)
• M31: 59,160,423 km (0.105 R)
• M32: 61,266,611 km (0.096 R)
• M33: 62,338,031 km (0.042 R)
• M34: 68,112,210 km (0.096 R)
• M35: 83,035,794 km (0.03 R)
• M36: 83,297,142 km (0.12 R)
• M37: 84,611,658 km (0.091 R)
• M38: 93,919,039 km (0.11 R)

Kuiper Belt

Range: 38 - 64 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 19,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit