🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.78 AU - 0.98 AU

Year: 305 Days

Day: 18.2 Hours

Environment

Temp: 123 °C

Axial Tilt: 47 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,289,643 km

• M1: 373,247 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.73 AU - 2.69 AU

Year: 1212 Days

Day: 17.5 Hours

Environment

Temp: -87 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 11.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.8

Radius: 13.1

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.95 AU - 13.93 AU

Year: 14276 Days

Day: 10.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,289,643 km

• M1: 162,912 km (0.106 R)
• M2: 846,874 km (0.1 R)
• M3: 1,304,194 km (0.083 R)
• M4: 1,752,539 km (0.079 R)
• M5: 3,634,480 km (0.08 R)
• M6: 4,392,044 km (0.105 R)
• M7: 8,996,666 km (0.112 R)
• M8: 10,276,327 km (0.099 R)
• M9: 11,044,063 km (0.056 R)
• M10: 12,632,643 km (0.102 R)
• M11: 18,949,413 km (0.119 R)
• M12: 23,475,646 km (0.096 R)
• M13: 28,569,453 km (0.104 R)
• M14: 29,648,054 km (0.119 R)
• M15: 31,316,669 km (0.089 R)
• M16: 31,771,895 km (0.075 R)
• M17: 53,346,601 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.8

Radius: 3.5

Gravity: 19 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 10.55 AU - 14.45 AU

Year: 16306 Days

Day: 23.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,289,643 km

• M1: 45,478 km (0.082 R)
• M2: 247,734 km (0.09 R)
• M3: 497,263 km (0.106 R)
• M4: 629,209 km (0.062 R)
• M5: 811,120 km (0.098 R)
• M6: 3,028,758 km (0.086 R)
• M7: 3,234,306 km (0.056 R)
• M8: 4,819,595 km (0.112 R)
• M9: 6,404,135 km (0.074 R)
• M10: 6,742,825 km (0.112 R)
• M11: 6,858,314 km (0.06 R)
• M12: 9,503,654 km (0.045 R)
• M13: 13,843,637 km (0.1 R)
• M14: 16,966,194 km (0.066 R)
• M15: 19,653,271 km (0.043 R)
• M16: 27,976,747 km (0.092 R)
• M17: 29,696,823 km (0.072 R)
• M18: 35,976,792 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.9

Radius: 4.3

Gravity: 27.04 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 12.74 AU - 14.98 AU

Year: 19038 Days

Day: 21.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,289,643 km

• M1: 54,154 km (0.097 R)
• M2: 247,136 km (0.094 R)
• M3: 702,661 km (0.043 R)
• M4: 1,286,093 km (0.054 R)
• M5: 2,244,267 km (0.063 R)
• M6: 2,611,081 km (0.074 R)
• M7: 3,327,655 km (0.101 R)
• M8: 11,133,672 km (0.112 R)
• M9: 19,885,746 km (0.108 R)
• M10: 20,788,569 km (0.104 R)
• M11: 24,264,475 km (0.056 R)
• M12: 32,339,918 km (0.105 R)
• M13: 33,712,628 km (0.12 R)
• M14: 39,734,092 km (0.115 R)
• M15: 40,159,249 km (0.054 R)
• M16: 42,183,458 km (0.112 R)
• M17: 47,698,683 km (0.045 R)
• M18: 57,022,220 km (0.114 R)
• M19: 63,546,483 km (0.087 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 15,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit