🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.55 AU - 0.65 AU

Year: 176 Days

Day: 16.2 Hours

Environment

Temp: 172 °C

Axial Tilt: 12.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.72 AU - 1.04 AU

Year: 313 Days

Day: 30.8 Hours

Environment

Temp: 16 °C

Axial Tilt: 12.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.36 AU - 2.82 AU

Year: 1579 Days

Day: 18.6 Hours

Environment

Temp: -107 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.04 AU - 3.26 AU

Year: 1634 Days

Day: 37.9 Hours

Environment

Temp: -100 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 13.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.9

Radius: 3.1

Gravity: 86.88 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 11.48 AU - 15.12 AU

Year: 18371 Days

Day: 18.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 73,998,179 km

• M1: 38,596 km (0.046 R)
• M2: 215,122 km (0.074 R)
• M3: 501,302 km (0.091 R)
• M4: 749,485 km (0.096 R)
• M5: 912,996 km (0.032 R)
• M6: 1,209,349 km (0.076 R)
• M7: 1,387,670 km (0.07 R)
• M8: 1,687,763 km (0.092 R)
• M9: 1,796,820 km (0.095 R)
• M10: 2,553,935 km (0.09 R)
• M11: 2,697,998 km (0.064 R)
• M12: 3,501,937 km (0.111 R)
• M13: 4,250,674 km (0.081 R)
• M14: 4,487,787 km (0.103 R)
• M15: 4,841,585 km (0.115 R)
• M16: 5,848,379 km (0.06 R)
• M17: 6,357,012 km (0.064 R)
• M18: 7,906,995 km (0.068 R)
• M19: 9,633,804 km (0.064 R)
• M20: 9,807,636 km (0.077 R)
• M21: 9,983,414 km (0.107 R)
• M22: 10,894,315 km (0.069 R)
• M23: 12,809,916 km (0.09 R)
• M24: 13,019,951 km (0.118 R)
• M25: 13,232,380 km (0.071 R)
• M26: 13,447,203 km (0.084 R)
• M27: 14,631,719 km (0.037 R)
• M28: 15,964,786 km (0.104 R)
• M29: 22,817,116 km (0.098 R)
• M30: 25,475,620 km (0.07 R)
• M31: 28,570,650 km (0.054 R)
• M32: 29,290,964 km (0.089 R)
• M33: 31,779,225 km (0.065 R)
• M34: 33,602,524 km (0.03 R)
• M35: 35,083,094 km (0.04 R)
• M36: 37,313,299 km (0.112 R)
• M37: 44,728,267 km (0.109 R)
• M38: 45,698,559 km (0.106 R)
• M39: 58,266,575 km (0.11 R)
• M40: 68,805,297 km (0.095 R)
• M41: 69,449,315 km (0.118 R)
• M42: 73,845,847 km (0.087 R)
• M43: 74,070,394 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.1

Radius: 5.3

Gravity: 20.69 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 13.36 AU - 15.56 AU

Year: 20826 Days

Day: 20.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,998,179 km

• M1: 66,122 km (0.027 R)
• M2: 572,960 km (0.107 R)
• M3: 740,809 km (0.088 R)
• M4: 1,037,760 km (0.116 R)
• M5: 1,521,111 km (0.112 R)
• M6: 2,376,661 km (0.111 R)
• M7: 2,651,024 km (0.051 R)
• M8: 3,049,403 km (0.028 R)
• M9: 3,401,556 km (0.063 R)
• M10: 3,750,419 km (0.085 R)
• M11: 6,109,577 km (0.079 R)
• M12: 7,547,512 km (0.067 R)
• M13: 12,033,952 km (0.072 R)
• M14: 12,636,682 km (0.07 R)
• M15: 12,911,044 km (0.101 R)
• M16: 14,565,746 km (0.063 R)
• M17: 15,250,007 km (0.1 R)
• M18: 16,519,195 km (0.087 R)
• M19: 23,006,208 km (0.061 R)
• M20: 23,312,584 km (0.119 R)
• M21: 25,642,721 km (0.041 R)
• M22: 27,431,612 km (0.102 R)
• M23: 29,063,874 km (0.103 R)
• M24: 32,392,427 km (0.086 R)
• M25: 35,150,563 km (0.111 R)
• M26: 38,489,887 km (0.085 R)
• M27: 40,829,747 km (0.11 R)
• M28: 41,128,793 km (0.081 R)
• M29: 44,357,115 km (0.079 R)
• M30: 46,113,544 km (0.06 R)
• M31: 50,792,965 km (0.109 R)
• M32: 52,538,024 km (0.094 R)
• M33: 54,322,577 km (0.112 R)
• M34: 60,304,547 km (0.094 R)
• M35: 61,865,601 km (0.048 R)
• M36: 66,091,591 km (0.103 R)
• M37: 70,291,402 km (0.047 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 17,873 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit