🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.6 AU - 0.6 AU

Year: 175 Days

Day: 20.2 Hours

Environment

Temp: 174 °C

Axial Tilt: 44.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,708,741 km

• M1: 66,122 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.03 AU - 1.35 AU

Year: 489 Days

Day: 33.4 Hours

Environment

Temp: -0 °C

Axial Tilt: 28.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 91,708,741 km

• M1: 67,319 km (0.106 R)
• M2: 179,817 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.02 AU - 1.42 AU

Year: 508 Days

Day: 14.7 Hours

Environment

Temp: -18 °C

Axial Tilt: 7.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 91,708,741 km

• M1: 34,557 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.21 AU - 1.49 AU

Year: 591 Days

Day: 26.2 Hours

Environment

Temp: -42 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.71 AU - 2.03 AU

Year: 963 Days

Day: 46.6 Hours

Environment

Temp: -80 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.3 AU - 2.7 AU

Year: 1489 Days

Day: 31.7 Hours

Environment

Temp: -87 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.47 AU - 3.99 AU

Year: 2187 Days

Day: 21.8 Hours

Environment

Temp: -112 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.8

Radius: 9.4

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.64 AU - 8.62 AU

Year: 7940 Days

Day: 13.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,708,741 km

• M1: 116,836 km (0.075 R)
• M2: 409,150 km (0.061 R)
• M3: 725,250 km (0.036 R)
• M4: 1,203,365 km (0.118 R)
• M5: 2,071,033 km (0.098 R)
• M6: 2,470,609 km (0.109 R)
• M7: 2,799,275 km (0.112 R)
• M8: 6,077,114 km (0.062 R)
• M9: 6,680,742 km (0.118 R)
• M10: 8,365,064 km (0.101 R)
• M11: 9,581,444 km (0.084 R)
• M12: 10,315,372 km (0.089 R)
• M13: 10,739,182 km (0.11 R)
• M14: 12,080,327 km (0.069 R)
• M15: 15,363,701 km (0.117 R)
• M16: 18,201,274 km (0.099 R)
• M17: 18,509,296 km (0.061 R)
• M18: 19,009,102 km (0.101 R)
• M19: 21,782,647 km (0.11 R)
• M20: 24,068,951 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540

Radius: 6

Gravity: 15 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 15.04 AU - 21.82 AU

Year: 29807 Days

Day: 20.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 91,708,741 km

• M1: 76,893 km (0.091 R)
• M2: 557,402 km (0.04 R)
• M3: 775,216 km (0.102 R)
• M4: 1,630,018 km (0.098 R)
• M5: 1,878,201 km (0.088 R)
• M6: 2,573,532 km (0.115 R)
• M7: 3,936,518 km (0.102 R)
• M8: 4,139,672 km (0.079 R)
• M9: 4,641,274 km (0.115 R)
• M10: 6,027,597 km (0.117 R)
• M11: 7,827,260 km (0.038 R)
• M12: 13,183,462 km (0.051 R)
• M13: 16,167,042 km (0.11 R)
• M14: 16,778,149 km (0.119 R)
• M15: 20,165,943 km (0.087 R)
• M16: 23,648,431 km (0.054 R)
• M17: 24,095,879 km (0.067 R)
• M18: 27,882,350 km (0.107 R)
• M19: 38,732,833 km (0.108 R)
• M20: 49,134,373 km (0.09 R)
• M21: 60,208,057 km (0.115 R)
• M22: 60,833,077 km (0.08 R)
• M23: 68,446,711 km (0.09 R)
• M24: 72,363,781 km (0.077 R)
• M25: 75,941,863 km (0.107 R)
• M26: 82,676,310 km (0.098 R)
• M27: 83,965,545 km (0.065 R)
• M28: 89,797,917 km (0.074 R)
• M29: 91,160,006 km (0.088 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 20,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit