🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.46 AU - 0.56 AU

Year: 134 Days

Day: 21 Hours

Environment

Temp: 171 °C

Axial Tilt: 14.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 105,863,814 km

• M1: 157,527 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.02 AU - 1.12 AU

Year: 408 Days

Day: 25.3 Hours

Environment

Temp: 24 °C

Axial Tilt: 36.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 105,863,814 km

• M1: 23,337 km (0.099 R)
• M2: 48,021 km (0.032 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.57 AU - 3.91 AU

Year: 2152 Days

Day: 42.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,863,814 km

• M1: 44,580 km (0.111 R)

Asteroid Belt

Center: 11.13 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 19.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.1

Radius: 6.2

Gravity: 20.53 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 17.72 AU - 20.3 AU

Year: 30581 Days

Day: 21.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 105,863,814 km

• M1: 77,193 km (0.103 R)
• M2: 298,897 km (0.054 R)
• M3: 746,942 km (0.117 R)
• M4: 1,330,972 km (0.051 R)
• M5: 1,710,203 km (0.079 R)
• M6: 2,474,798 km (0.09 R)
• M7: 3,742,191 km (0.103 R)
• M8: 3,983,343 km (0.101 R)
• M9: 4,271,767 km (0.111 R)
• M10: 7,314,737 km (0.051 R)
• M11: 7,638,018 km (0.107 R)
• M12: 8,487,884 km (0.092 R)
• M13: 9,211,938 km (0.074 R)
• M14: 11,558,231 km (0.075 R)
• M15: 13,620,288 km (0.071 R)
• M16: 15,037,578 km (0.045 R)
• M17: 17,870,064 km (0.08 R)
• M18: 18,456,637 km (0.11 R)
• M19: 18,754,636 km (0.106 R)
• M20: 21,693,187 km (0.113 R)
• M21: 23,619,409 km (0.107 R)
• M22: 24,088,698 km (0.097 R)
• M23: 25,045,825 km (0.119 R)
• M24: 27,678,598 km (0.104 R)
• M25: 29,532,864 km (0.113 R)
• M26: 30,077,549 km (0.1 R)
• M27: 31,751,550 km (0.11 R)
• M28: 37,461,401 km (0.087 R)
• M29: 41,739,452 km (0.088 R)
• M30: 49,510,014 km (0.104 R)
• M31: 53,834,739 km (0.098 R)
• M32: 59,047,028 km (0.112 R)
• M33: 65,272,992 km (0.059 R)
• M34: 66,428,785 km (0.099 R)
• M35: 68,070,023 km (0.037 R)
• M36: 68,306,687 km (0.118 R)
• M37: 71,189,139 km (0.091 R)
• M38: 73,155,304 km (0.087 R)
• M39: 86,547,155 km (0.069 R)
• M40: 94,550,641 km (0.072 R)
• M41: 96,625,713 km (0.08 R)
• M42: 100,866,813 km (0.097 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 12,137 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit