🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.5 AU - 0.66 AU

Year: 157 Days

Day: 43.5 Hours

Environment

Temp: 179 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.56 AU - 0.72 AU

Year: 183 Days

Day: 31.7 Hours

Environment

Temp: 173 °C

Axial Tilt: 8.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.58 AU - 0.78 AU

Year: 200 Days

Day: 47.7 Hours

Environment

Temp: 226 °C

Axial Tilt: 5.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 20,786,252 km

• M1: 70,012 km (0.095 R)
• M2: 282,890 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.82 AU - 0.92 AU

Year: 289 Days

Day: 28.1 Hours

Environment

Temp: 126 °C

Axial Tilt: 45.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.06 AU - 1.7 AU

Year: 578 Days

Day: 20.2 Hours

Environment

Temp: 13 °C

Axial Tilt: 44.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.96 AU - 2.82 AU

Year: 1317 Days

Day: 20.5 Hours

Environment

Temp: -74 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,786,252 km

• M1: 528,828 km (0.1 R)

Asteroid Belt

Center: 5.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976

Radius: 13.7

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.12 AU - 8.26 AU

Year: 8355 Days

Day: 6.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 20,786,252 km

• M1: 170,392 km (0.062 R)
• M2: 618,288 km (0.108 R)
• M3: 1,239,568 km (0.112 R)
• M4: 2,077,466 km (0.117 R)
• M5: 2,704,580 km (0.118 R)
• M6: 3,360,866 km (0.087 R)
• M7: 3,908,244 km (0.05 R)
• M8: 4,720,561 km (0.12 R)
• M9: 5,442,819 km (0.065 R)
• M10: 6,129,623 km (0.095 R)
• M11: 7,511,758 km (0.112 R)
• M12: 8,276,502 km (0.077 R)
• M13: 11,259,783 km (0.028 R)
• M14: 12,903,714 km (0.109 R)
• M15: 13,506,145 km (0.057 R)
• M16: 15,763,876 km (0.107 R)
• M17: 16,663,258 km (0.119 R)
• M18: 17,669,752 km (0.05 R)
• M19: 19,332,982 km (0.118 R)
• M20: 22,105,329 km (0.065 R)
• M21: 23,232,250 km (0.1 R)
• M22: 24,215,407 km (0.101 R)
• M23: 24,671,232 km (0.051 R)
• M24: 27,037,721 km (0.104 R)
• M25: 28,832,746 km (0.07 R)
• M26: 30,282,798 km (0.04 R)
• M27: 32,548,458 km (0.112 R)
• M28: 40,021,170 km (0.108 R)
• M29: 41,955,471 km (0.103 R)
• M30: 45,041,077 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.7

Radius: 13.9

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 8.59 AU - 9.39 AU

Year: 9608 Days

Day: 13.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,786,252 km

• M1: 172,935 km (0.114 R)
• M2: 880,683 km (0.065 R)
• M3: 1,576,313 km (0.101 R)
• M4: 2,029,146 km (0.117 R)
• M5: 2,729,114 km (0.099 R)
• M6: 3,414,123 km (0.074 R)
• M7: 4,694,980 km (0.102 R)
• M8: 5,186,857 km (0.115 R)
• M9: 5,653,004 km (0.11 R)
• M10: 7,657,317 km (0.113 R)
• M11: 9,530,581 km (0.113 R)
• M12: 10,143,484 km (0.025 R)
• M13: 12,758,155 km (0.059 R)
• M14: 14,109,323 km (0.052 R)
• M15: 16,528,919 km (0.101 R)
• M16: 20,264,528 km (0.104 R)
• M17: 20,913,334 km (0.083 R)
• M18: 23,021,018 km (0.09 R)
• M19: 25,766,588 km (0.106 R)
• M20: 30,847,829 km (0.059 R)
• M21: 32,483,981 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.3

Radius: 6.8

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 13.65 AU - 16.93 AU

Year: 21311 Days

Day: 18.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 59.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,786,252 km

• M1: 93,947 km (0.109 R)
• M2: 616,044 km (0.087 R)
• M3: 995,125 km (0.095 R)
• M4: 1,275,172 km (0.073 R)
• M5: 1,983,668 km (0.065 R)
• M6: 4,336,244 km (0.097 R)
• M7: 5,162,922 km (0.045 R)
• M8: 6,651,421 km (0.118 R)
• M9: 7,185,186 km (0.034 R)
• M10: 10,683,831 km (0.118 R)
• M11: 10,964,477 km (0.12 R)
• M12: 11,250,059 km (0.055 R)
• M13: 12,619,328 km (0.111 R)
• M14: 16,468,930 km (0.069 R)

Kuiper Belt

Range: 30.8 - 58.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 16,275 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit