🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.65 AU - 0.99 AU

Year: 269 Days

Day: 26.9 Hours

Environment

Temp: 156 °C

Axial Tilt: 31.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,129,158 km

• M1: 56,997 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.04 AU - 1.36 AU

Year: 475 Days

Day: 22.8 Hours

Environment

Temp: 21 °C

Axial Tilt: 22.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.46 AU - 1.66 AU

Year: 705 Days

Day: 33.4 Hours

Environment

Temp: -34 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.09 AU - 3.09 AU

Year: 1507 Days

Day: 16.8 Hours

Environment

Temp: -87 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.82 AU - 2.92 AU

Year: 1758 Days

Day: 41.9 Hours

Environment

Temp: -105 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,129,158 km

• M1: 54,454 km (0.113 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.21 AU - 4.47 AU

Year: 3270 Days

Day: 19.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.3

Radius: 12.9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.78 AU - 5.38 AU

Year: 4141 Days

Day: 13.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,129,158 km

• M1: 160,519 km (0.05 R)
• M2: 655,538 km (0.095 R)
• M3: 1,105,977 km (0.072 R)
• M4: 1,562,400 km (0.059 R)
• M5: 2,483,025 km (0.106 R)
• M6: 3,229,519 km (0.082 R)
• M7: 3,904,953 km (0.109 R)
• M8: 4,390,847 km (0.053 R)
• M9: 8,422,959 km (0.049 R)
• M10: 8,936,229 km (0.044 R)
• M11: 14,750,649 km (0.119 R)
• M12: 15,443,736 km (0.102 R)
• M13: 23,472,355 km (0.1 R)
• M14: 24,343,762 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.8

Radius: 8.5

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.42 AU - 10.58 AU

Year: 11436 Days

Day: 15 Hours

Environment

Temp: -169 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,129,158 km

• M1: 105,766 km (0.056 R)
• M2: 795,412 km (0.059 R)
• M3: 1,467,256 km (0.119 R)
• M4: 1,932,057 km (0.07 R)
• M5: 3,038,034 km (0.062 R)
• M6: 4,342,826 km (0.108 R)
• M7: 4,995,671 km (0.12 R)
• M8: 6,862,354 km (0.109 R)
• M9: 7,600,769 km (0.102 R)
• M10: 11,519,036 km (0.036 R)
• M11: 12,817,546 km (0.076 R)
• M12: 13,288,928 km (0.066 R)
• M13: 17,422,617 km (0.115 R)
• M14: 18,394,105 km (0.057 R)
• M15: 23,877,615 km (0.119 R)
• M16: 24,351,990 km (0.114 R)
• M17: 28,376,023 km (0.079 R)
• M18: 29,810,218 km (0.07 R)
• M19: 30,917,093 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.9

Radius: 3.4

Gravity: 41.25 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 14.64 AU - 15.98 AU

Year: 21665 Days

Day: 16.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,129,158 km

• M1: 42,486 km (0.05 R)
• M2: 391,498 km (0.068 R)
• M3: 729,290 km (0.101 R)
• M4: 1,139,786 km (0.114 R)
• M5: 1,488,648 km (0.108 R)
• M6: 1,793,978 km (0.066 R)
• M7: 2,596,869 km (0.099 R)
• M8: 4,357,188 km (0.077 R)
• M9: 7,097,821 km (0.106 R)
• M10: 14,865,840 km (0.037 R)
• M11: 19,654,767 km (0.083 R)
• M12: 19,836,079 km (0.047 R)
• M13: 20,018,439 km (0.086 R)
• M14: 24,112,933 km (0.097 R)
• M15: 24,320,724 km (0.087 R)
• M16: 24,634,730 km (0.104 R)
• M17: 27,131,967 km (0.081 R)
• M18: 28,965,289 km (0.095 R)
• M19: 41,279,288 km (0.087 R)
• M20: 45,415,370 km (0.085 R)
• M21: 57,962,443 km (0.068 R)
• M22: 60,033,177 km (0.088 R)
• M23: 61,957,753 km (0.089 R)
• M24: 64,720,976 km (0.103 R)
• M25: 66,132,731 km (0.092 R)

Kuiper Belt

Range: 30.3 - 50.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 14,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit