🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.33 AU - 1.59 AU

Year: 620 Days

Day: 26.7 Hours

Environment

Temp: 10 °C

Axial Tilt: 4.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 78,605,637 km

• M1: 41,289 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.61 AU - 1.97 AU

Year: 842 Days

Day: 21.4 Hours

Environment

Temp: -48 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.81 AU - 2.23 AU

Year: 1009 Days

Day: 30.7 Hours

Environment

Temp: -44 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.65 AU - 4.13 AU

Year: 2194 Days

Day: 22.8 Hours

Environment

Temp: -106 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.37 AU - 4.49 AU

Year: 3277 Days

Day: 12.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,605,637 km

• M1: 35,903 km (0.109 R)

Asteroid Belt

Center: 7.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.6

Radius: 11.1

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.68 AU - 9.98 AU

Year: 10832 Days

Day: 7.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,605,637 km

• M1: 138,677 km (0.071 R)
• M2: 504,594 km (0.084 R)
• M3: 1,603,839 km (0.114 R)
• M4: 1,984,416 km (0.071 R)
• M5: 2,386,684 km (0.074 R)
• M6: 2,865,547 km (0.098 R)
• M7: 3,744,285 km (0.114 R)
• M8: 5,526,145 km (0.086 R)
• M9: 6,408,174 km (0.106 R)
• M10: 6,923,838 km (0.04 R)
• M11: 8,781,545 km (0.073 R)
• M12: 10,950,714 km (0.073 R)
• M13: 12,100,074 km (0.093 R)
• M14: 13,455,431 km (0.078 R)
• M15: 16,030,758 km (0.119 R)
• M16: 18,049,432 km (0.073 R)
• M17: 19,567,850 km (0.072 R)
• M18: 23,687,476 km (0.068 R)
• M19: 25,310,015 km (0.105 R)
• M20: 28,037,184 km (0.091 R)
• M21: 31,742,873 km (0.086 R)
• M22: 34,187,901 km (0.111 R)
• M23: 37,385,705 km (0.105 R)
• M24: 51,232,334 km (0.107 R)
• M25: 53,453,414 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.8

Radius: 11.1

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 10.6 AU - 13.8 AU

Year: 14977 Days

Day: 10 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,605,637 km

• M1: 141,968 km (0.12 R)
• M2: 715,078 km (0.106 R)
• M3: 2,078,363 km (0.101 R)
• M4: 4,473,126 km (0.115 R)
• M5: 6,378,105 km (0.106 R)
• M6: 6,736,243 km (0.112 R)
• M7: 8,420,415 km (0.112 R)
• M8: 9,134,596 km (0.101 R)
• M9: 10,683,532 km (0.062 R)
• M10: 12,102,617 km (0.103 R)
• M11: 16,435,570 km (0.028 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.1

Radius: 4.4

Gravity: 25.99 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 16.75 AU - 17.13 AU

Year: 24505 Days

Day: 18.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,605,637 km

• M1: 99,632 km (0.041 R)
• M2: 319,840 km (0.1 R)
• M3: 2,175,602 km (0.08 R)
• M4: 2,852,083 km (0.066 R)
• M5: 3,034,443 km (0.112 R)
• M6: 3,937,566 km (0.1 R)
• M7: 4,197,118 km (0.079 R)
• M8: 9,239,763 km (0.07 R)
• M9: 9,581,893 km (0.098 R)
• M10: 10,784,062 km (0.111 R)
• M11: 13,628,964 km (0.113 R)
• M12: 14,373,363 km (0.075 R)
• M13: 17,021,695 km (0.069 R)
• M14: 21,826,479 km (0.118 R)
• M15: 25,635,690 km (0.101 R)
• M16: 30,486,999 km (0.081 R)
• M17: 40,726,973 km (0.077 R)
• M18: 41,954,723 km (0.1 R)
• M19: 55,244,250 km (0.056 R)
• M20: 61,221,433 km (0.09 R)
• M21: 71,746,092 km (0.09 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 16,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit