🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.5 AU - 0.7 AU

Year: 166 Days

Day: 36.2 Hours

Environment

Temp: 195 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,702,042 km

• M1: 367,712 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.83 AU - 1.25 AU

Year: 378 Days

Day: 40.5 Hours

Environment

Temp: 31 °C

Axial Tilt: 19.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 57,702,042 km

• M1: 29,920 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.05 AU - 1.45 AU

Year: 498 Days

Day: 35.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 22.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 57,702,042 km

• M1: 37,100 km (0.03 R)
• M2: 160,070 km (0.05 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.65 AU - 3.31 AU

Year: 1834 Days

Day: 19.5 Hours

Environment

Temp: -102 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.41 AU - 3.93 AU

Year: 2012 Days

Day: 31.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.2

Radius: 14.3

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.14 AU - 6.94 AU

Year: 5291 Days

Day: 11.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,702,042 km

• M1: 178,321 km (0.084 R)
• M2: 668,254 km (0.103 R)
• M3: 1,162,525 km (0.092 R)
• M4: 1,789,490 km (0.099 R)
• M5: 2,403,439 km (0.111 R)
• M6: 3,423,398 km (0.102 R)
• M7: 4,339,685 km (0.119 R)
• M8: 5,181,173 km (0.068 R)
• M9: 7,569,802 km (0.098 R)
• M10: 8,627,160 km (0.108 R)
• M11: 9,191,892 km (0.106 R)
• M12: 9,994,933 km (0.067 R)
• M13: 11,151,025 km (0.097 R)
• M14: 11,942,996 km (0.107 R)
• M15: 14,178,437 km (0.072 R)
• M16: 15,108,487 km (0.119 R)
• M17: 17,664,217 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.7

Radius: 13.5

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.3 AU - 9.78 AU

Year: 8126 Days

Day: 6 Hours

Environment

Temp: -166 °C

Axial Tilt: 87.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,702,042 km

• M1: 171,888 km (0.108 R)
• M2: 614,398 km (0.088 R)
• M3: 1,137,841 km (0.116 R)
• M4: 1,762,562 km (0.069 R)
• M5: 3,980,799 km (0.083 R)
• M6: 4,797,155 km (0.084 R)
• M7: 5,596,756 km (0.046 R)
• M8: 7,461,942 km (0.06 R)
• M9: 8,536,503 km (0.084 R)
• M10: 11,241,083 km (0.104 R)
• M11: 12,925,705 km (0.078 R)
• M12: 13,428,503 km (0.05 R)
• M13: 20,678,166 km (0.049 R)
• M14: 23,690,618 km (0.105 R)
• M15: 24,870,796 km (0.109 R)
• M16: 27,715,100 km (0.104 R)
• M17: 28,271,604 km (0.069 R)
• M18: 29,888,907 km (0.117 R)
• M19: 31,366,485 km (0.055 R)
• M20: 33,411,637 km (0.071 R)
• M21: 37,090,249 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238

Radius: 6.2

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 15.53 AU - 16.09 AU

Year: 22407 Days

Day: 24.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,702,042 km

• M1: 77,193 km (0.118 R)
• M2: 295,905 km (0.032 R)
• M3: 603,179 km (0.101 R)
• M4: 844,181 km (0.114 R)
• M5: 1,211,294 km (0.086 R)
• M6: 2,001,021 km (0.11 R)
• M7: 3,820,730 km (0.083 R)
• M8: 4,225,541 km (0.08 R)
• M9: 4,500,652 km (0.039 R)
• M10: 6,410,269 km (0.052 R)
• M11: 6,691,962 km (0.053 R)
• M12: 8,273,510 km (0.094 R)
• M13: 9,456,829 km (0.105 R)
• M14: 10,636,857 km (0.103 R)
• M15: 11,204,581 km (0.069 R)
• M16: 17,957,429 km (0.055 R)
• M17: 18,276,222 km (0.072 R)
• M18: 21,228,985 km (0.074 R)
• M19: 24,877,079 km (0.111 R)
• M20: 26,180,375 km (0.058 R)
• M21: 31,733,598 km (0.112 R)
• M22: 36,347,495 km (0.094 R)
• M23: 39,346,933 km (0.091 R)
• M24: 39,615,311 km (0.042 R)
• M25: 47,179,728 km (0.072 R)
• M26: 47,786,796 km (0.064 R)
• M27: 48,553,036 km (0.093 R)
• M28: 53,159,304 km (0.119 R)
• M29: 54,313,302 km (0.042 R)
• M30: 57,013,245 km (0.096 R)

Kuiper Belt

Range: 30.8 - 60.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 11,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit