🌌 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: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.49 AU - 0.67 AU

Year: 156 Days

Day: 33.7 Hours

Environment

Temp: 164 °C

Axial Tilt: 29 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 19,522,975 km

• M1: 74,949 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.4 AU - 1.64 AU

Year: 662 Days

Day: 43.7 Hours

Environment

Temp: -9 °C

Axial Tilt: 18.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 19,522,975 km

• M1: 349,909 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.99 AU - 3.67 AU

Year: 2146 Days

Day: 18 Hours

Environment

Temp: -98 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,522,975 km

• M1: 19,149 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.3

Radius: 13.7

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.7 AU - 9.56 AU

Year: 8185 Days

Day: 11.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,522,975 km

• M1: 170,542 km (0.098 R)
• M2: 771,476 km (0.091 R)
• M3: 1,215,483 km (0.089 R)
• M4: 1,870,871 km (0.041 R)
• M5: 2,740,334 km (0.111 R)
• M6: 5,230,540 km (0.109 R)
• M7: 7,898,618 km (0.113 R)
• M8: 8,927,702 km (0.116 R)
• M9: 9,792,527 km (0.104 R)
• M10: 12,096,035 km (0.086 R)
• M11: 13,729,943 km (0.107 R)
• M12: 15,702,241 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.8

Radius: 10.3

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.77 AU - 10.61 AU

Year: 10651 Days

Day: 13 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,522,975 km

• M1: 135,984 km (0.096 R)
• M2: 540,348 km (0.097 R)
• M3: 931,396 km (0.099 R)
• M4: 1,724,564 km (0.06 R)
• M5: 2,065,647 km (0.031 R)
• M6: 2,886,790 km (0.115 R)
• M7: 3,626,252 km (0.114 R)
• M8: 4,750,480 km (0.087 R)
• M9: 5,628,321 km (0.086 R)
• M10: 7,099,167 km (0.1 R)
• M11: 8,245,087 km (0.083 R)
• M12: 11,582,466 km (0.097 R)
• M13: 13,345,177 km (0.081 R)
• M14: 14,219,876 km (0.082 R)
• M15: 17,939,029 km (0.059 R)

Kuiper Belt

Range: 31.1 - 47.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 14,460 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit