🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.42 AU - 0.7 AU

Year: 152 Days

Day: 16.1 Hours

Environment

Temp: 182 °C

Axial Tilt: 22.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.58 AU - 0.82 AU

Year: 213 Days

Day: 29.3 Hours

Environment

Temp: 139 °C

Axial Tilt: 39.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 69,774,431 km

• M1: 41,139 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.35 AU - 2.17 AU

Year: 849 Days

Day: 29.1 Hours

Environment

Temp: -52 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.48 AU - 2.08 AU

Year: 863 Days

Day: 36.3 Hours

Environment

Temp: -47 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.06 AU - 2.72 AU

Year: 1343 Days

Day: 45.5 Hours

Environment

Temp: -77 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.4

Radius: 12.2

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.34 AU - 7.14 AU

Year: 6359 Days

Day: 14.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,774,431 km

• M1: 152,141 km (0.119 R)
• M2: 572,361 km (0.093 R)
• M3: 1,034,469 km (0.106 R)
• M4: 1,809,237 km (0.111 R)
• M5: 3,691,627 km (0.073 R)
• M6: 4,846,522 km (0.117 R)
• M7: 5,732,590 km (0.071 R)
• M8: 7,892,185 km (0.104 R)
• M9: 9,566,036 km (0.112 R)
• M10: 11,083,407 km (0.097 R)
• M11: 11,551,200 km (0.08 R)
• M12: 13,175,234 km (0.118 R)
• M13: 14,439,486 km (0.102 R)
• M14: 14,998,084 km (0.117 R)
• M15: 18,185,267 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.5

Radius: 12.5

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.03 AU - 7.47 AU

Year: 7095 Days

Day: 8.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,774,431 km

• M1: 156,479 km (0.051 R)
• M2: 669,151 km (0.087 R)
• M3: 1,454,241 km (0.053 R)
• M4: 1,952,402 km (0.12 R)
• M5: 3,104,006 km (0.047 R)
• M6: 3,554,146 km (0.047 R)
• M7: 4,529,225 km (0.081 R)
• M8: 7,268,063 km (0.091 R)
• M9: 8,834,053 km (0.091 R)
• M10: 13,332,461 km (0.074 R)
• M11: 13,819,851 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.5

Radius: 9.6

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 9.32 AU - 12.94 AU

Year: 13495 Days

Day: 7.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,774,431 km

• M1: 119,379 km (0.041 R)
• M2: 498,011 km (0.056 R)
• M3: 809,025 km (0.112 R)
• M4: 2,136,856 km (0.112 R)
• M5: 2,806,456 km (0.119 R)
• M6: 3,407,092 km (0.05 R)
• M7: 3,869,499 km (0.115 R)
• M8: 4,614,047 km (0.084 R)
• M9: 4,977,570 km (0.116 R)
• M10: 6,946,128 km (0.044 R)
• M11: 7,500,388 km (0.102 R)
• M12: 9,879,443 km (0.107 R)
• M13: 10,870,529 km (0.069 R)
• M14: 11,720,245 km (0.057 R)
• M15: 16,515,605 km (0.108 R)
• M16: 20,551,905 km (0.108 R)
• M17: 24,186,984 km (0.108 R)
• M18: 25,632,398 km (0.107 R)
• M19: 29,353,945 km (0.077 R)
• M20: 32,599,321 km (0.106 R)
• M21: 33,941,064 km (0.089 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.7

Radius: 10.9

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 9.25 AU - 14.89 AU

Year: 15240 Days

Day: 5.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,774,431 km

• M1: 139,126 km (0.098 R)
• M2: 718,070 km (0.09 R)
• M3: 1,941,631 km (0.098 R)
• M4: 4,140,719 km (0.111 R)
• M5: 5,711,048 km (0.093 R)
• M6: 11,408,633 km (0.118 R)
• M7: 12,629,202 km (0.1 R)
• M8: 13,443,762 km (0.089 R)
• M9: 14,148,967 km (0.091 R)
• M10: 14,878,705 km (0.103 R)
• M11: 23,112,123 km (0.03 R)
• M12: 23,919,503 km (0.062 R)
• M13: 27,004,211 km (0.12 R)
• M14: 27,786,757 km (0.099 R)
• M15: 30,344,731 km (0.084 R)
• M16: 55,609,717 km (0.115 R)
• M17: 56,330,929 km (0.065 R)
• M18: 57,976,505 km (0.1 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 10,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit