🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.48 AU - 0.62 AU

Year: 178 Days

Day: 30.8 Hours

Environment

Temp: 19 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300

Radius: 11.3

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.06 AU - 3.24 AU

Year: 2441 Days

Day: 7.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,981,515 km

• M1: 142,716 km (0.083 R)
• M2: 931,396 km (0.105 R)
• M3: 1,706,912 km (0.09 R)
• M4: 5,093,658 km (0.105 R)
• M5: 5,661,382 km (0.063 R)
• M6: 6,368,232 km (0.116 R)
• M7: 8,693,581 km (0.092 R)
• M8: 9,864,035 km (0.094 R)
• M9: 12,246,830 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.2

Radius: 11.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.98 AU - 3.36 AU

Year: 2464 Days

Day: 13.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,981,515 km

• M1: 144,212 km (0.115 R)
• M2: 591,360 km (0.102 R)
• M3: 983,008 km (0.068 R)
• M4: 1,643,931 km (0.104 R)
• M5: 2,125,038 km (0.108 R)
• M6: 3,786,322 km (0.108 R)
• M7: 4,338,637 km (0.12 R)
• M8: 5,267,640 km (0.082 R)
• M9: 5,935,146 km (0.054 R)
• M10: 7,231,860 km (0.109 R)
• M11: 8,708,990 km (0.112 R)
• M12: 9,643,228 km (0.087 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466

Radius: 3

Gravity: 51.78 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 9.54 AU - 14.56 AU

Year: 18261 Days

Day: 24.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 62,981,515 km

• M1: 37,250 km (0.09 R)
• M2: 160,219 km (0.116 R)
• M3: 357,539 km (0.055 R)
• M4: 1,093,411 km (0.093 R)
• M5: 1,262,456 km (0.086 R)
• M6: 1,556,566 km (0.047 R)
• M7: 2,901,152 km (0.074 R)
• M8: 3,123,304 km (0.119 R)
• M9: 4,407,303 km (0.098 R)
• M10: 5,696,986 km (0.116 R)
• M11: 9,145,516 km (0.119 R)
• M12: 13,497,767 km (0.062 R)
• M13: 14,184,421 km (0.058 R)
• M14: 14,607,334 km (0.102 R)
• M15: 15,626,844 km (0.101 R)
• M16: 16,383,510 km (0.116 R)
• M17: 17,403,319 km (0.078 R)
• M18: 18,968,561 km (0.058 R)
• M19: 19,224,074 km (0.04 R)
• M20: 20,805,025 km (0.113 R)
• M21: 21,719,816 km (0.075 R)
• M22: 22,281,406 km (0.085 R)
• M23: 22,948,613 km (0.084 R)
• M24: 25,030,267 km (0.03 R)
• M25: 25,132,442 km (0.058 R)
• M26: 25,543,836 km (0.062 R)
• M27: 28,327,853 km (0.113 R)
• M28: 28,438,854 km (0.118 R)
• M29: 28,661,606 km (0.112 R)
• M30: 31,071,328 km (0.12 R)
• M31: 37,211,573 km (0.093 R)
• M32: 39,933,805 km (0.039 R)
• M33: 40,213,104 km (0.104 R)
• M34: 40,775,742 km (0.115 R)
• M35: 44,112,523 km (0.112 R)
• M36: 49,051,197 km (0.081 R)
• M37: 51,984,811 km (0.111 R)
• M38: 52,151,015 km (0.11 R)
• M39: 53,156,462 km (0.069 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 18,336 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit