🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.5 AU - 0.58 AU

Year: 141 Days

Day: 16.6 Hours

Environment

Temp: 241 °C

Axial Tilt: 45.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,051,717 km

• M1: 48,769 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.5 AU - 0.6 AU

Year: 145 Days

Day: 37.6 Hours

Environment

Temp: 258 °C

Axial Tilt: 9.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.82 AU - 1.34 AU

Year: 400 Days

Day: 22.5 Hours

Environment

Temp: 20 °C

Axial Tilt: 49.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.25 AU - 2.91 AU

Year: 1477 Days

Day: 27.2 Hours

Environment

Temp: -88 °C

Axial Tilt: 48.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,051,717 km

• M1: 1,961,677 km (0.093 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.41 AU - 4.05 AU

Year: 2568 Days

Day: 19.7 Hours

Environment

Temp: -121 °C

Axial Tilt: 44.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.28 AU - 4.84 AU

Year: 2916 Days

Day: 39.4 Hours

Environment

Temp: -115 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,051,717 km

• M1: 39,943 km (0.045 R)
• M2: 110,403 km (0.098 R)

Asteroid Belt

Center: 11.44 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 18.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.4

Radius: 3.9

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 15.45 AU - 22.19 AU

Year: 29102 Days

Day: 22.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,051,717 km

• M1: 48,919 km (0.104 R)
• M2: 172,187 km (0.093 R)
• M3: 614,548 km (0.088 R)
• M4: 2,535,385 km (0.097 R)
• M5: 3,750,568 km (0.089 R)
• M6: 4,340,582 km (0.096 R)
• M7: 8,727,241 km (0.098 R)
• M8: 18,270,837 km (0.098 R)
• M9: 20,742,792 km (0.102 R)
• M10: 23,110,777 km (0.062 R)
• M11: 23,428,971 km (0.069 R)
• M12: 24,318,779 km (0.102 R)
• M13: 24,730,473 km (0.096 R)
• M14: 25,483,548 km (0.046 R)
• M15: 25,908,406 km (0.098 R)
• M16: 27,744,421 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.4

Radius: 3.4

Gravity: 27.8 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 17.17 AU - 21.03 AU

Year: 29754 Days

Day: 23.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,051,717 km

• M1: 42,336 km (0.037 R)
• M2: 334,650 km (0.057 R)
• M3: 529,876 km (0.047 R)
• M4: 658,380 km (0.066 R)
• M5: 907,760 km (0.048 R)
• M6: 1,245,552 km (0.116 R)
• M7: 1,411,456 km (0.107 R)
• M8: 1,732,792 km (0.089 R)
• M9: 1,901,090 km (0.118 R)
• M10: 4,752,425 km (0.058 R)
• M11: 5,995,733 km (0.095 R)
• M12: 7,885,453 km (0.089 R)
• M13: 8,612,200 km (0.028 R)
• M14: 9,439,326 km (0.115 R)
• M15: 11,185,732 km (0.113 R)
• M16: 11,967,530 km (0.091 R)
• M17: 15,067,797 km (0.09 R)
• M18: 15,698,053 km (0.028 R)
• M19: 18,042,850 km (0.102 R)
• M20: 18,395,751 km (0.086 R)
• M21: 19,206,721 km (0.098 R)
• M22: 19,574,732 km (0.087 R)
• M23: 20,899,571 km (0.091 R)
• M24: 23,831,689 km (0.047 R)
• M25: 31,502,020 km (0.092 R)
• M26: 32,530,655 km (0.113 R)
• M27: 34,790,331 km (0.101 R)
• M28: 35,336,812 km (0.12 R)
• M29: 40,665,788 km (0.107 R)
• M30: 40,968,274 km (0.077 R)
• M31: 43,127,271 km (0.094 R)
• M32: 43,599,551 km (0.107 R)
• M33: 46,012,864 km (0.052 R)
• M34: 48,513,841 km (0.038 R)
• M35: 54,514,810 km (0.099 R)
• M36: 62,385,902 km (0.068 R)
• M37: 69,030,591 km (0.098 R)
• M38: 74,087,298 km (0.099 R)
• M39: 77,051,730 km (0.081 R)

Kuiper Belt

Range: 30.8 - 47.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 13,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit