🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.88 AU - 1.32 AU

Year: 417 Days

Day: 19 Hours

Environment

Temp: 29 °C

Axial Tilt: 33.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.02 AU - 1.22 AU

Year: 429 Days

Day: 42.8 Hours

Environment

Temp: 32 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.64 AU - 1.64 AU

Year: 760 Days

Day: 34.8 Hours

Environment

Temp: -36 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,075,352 km

• M1: 445,054 km (0.077 R)
• M2: 592,108 km (0.066 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.49 AU - 3.39 AU

Year: 1823 Days

Day: 36.1 Hours

Environment

Temp: -97 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,075,352 km

• M1: 178,919 km (0.065 R)

Asteroid Belt

Center: 6.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.7

Radius: 13.1

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.8 AU - 10.72 AU

Year: 10191 Days

Day: 5.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 139.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,075,352 km

• M1: 163,062 km (0.076 R)
• M2: 651,648 km (0.106 R)
• M3: 1,084,884 km (0.092 R)
• M4: 1,677,142 km (0.118 R)
• M5: 2,354,222 km (0.049 R)
• M6: 3,229,968 km (0.099 R)
• M7: 4,152,089 km (0.085 R)
• M8: 5,367,721 km (0.097 R)
• M9: 5,788,540 km (0.117 R)
• M10: 6,372,420 km (0.092 R)
• M11: 6,995,496 km (0.102 R)
• M12: 7,538,685 km (0.113 R)
• M13: 8,236,111 km (0.11 R)
• M14: 9,339,545 km (0.093 R)
• M15: 10,242,368 km (0.086 R)
• M16: 11,098,666 km (0.09 R)
• M17: 11,947,784 km (0.087 R)
• M18: 13,596,502 km (0.103 R)
• M19: 14,881,847 km (0.068 R)
• M20: 19,224,374 km (0.11 R)
• M21: 21,969,644 km (0.103 R)
• M22: 23,052,882 km (0.106 R)
• M23: 24,258,940 km (0.025 R)
• M24: 25,325,723 km (0.107 R)
• M25: 26,796,569 km (0.071 R)
• M26: 28,812,400 km (0.087 R)
• M27: 29,506,385 km (0.104 R)
• M28: 31,237,980 km (0.072 R)
• M29: 34,346,923 km (0.072 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 15,717 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit