🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.43 AU - 0.71 AU

Year: 159 Days

Day: 25.7 Hours

Environment

Temp: 147 °C

Axial Tilt: 14.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 80,278,208 km

• M1: 22,290 km (0.096 R)
• M2: 91,404 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.59 AU - 2.23 AU

Year: 974 Days

Day: 36.8 Hours

Environment

Temp: -76 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,278,208 km

• M1: 892,800 km (0.085 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.9 AU - 2.8 AU

Year: 1329 Days

Day: 42.5 Hours

Environment

Temp: -93 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.11 AU - 2.73 AU

Year: 1389 Days

Day: 26.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.6

Radius: 11.1

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.5 AU - 7.4 AU

Year: 5355 Days

Day: 10.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,278,208 km

• M1: 144,063 km (0.072 R)
• M2: 652,247 km (0.102 R)
• M3: 1,639,144 km (0.117 R)
• M4: 2,225,268 km (0.09 R)
• M5: 2,594,775 km (0.086 R)
• M6: 3,416,666 km (0.093 R)
• M7: 4,352,849 km (0.072 R)
• M8: 5,632,061 km (0.083 R)
• M9: 6,131,119 km (0.073 R)
• M10: 7,146,889 km (0.113 R)
• M11: 9,423,768 km (0.084 R)
• M12: 10,680,241 km (0.088 R)
• M13: 11,058,873 km (0.034 R)
• M14: 11,643,801 km (0.063 R)
• M15: 15,839,572 km (0.037 R)
• M16: 16,520,392 km (0.082 R)
• M17: 18,341,447 km (0.046 R)
• M18: 19,161,542 km (0.08 R)
• M19: 20,077,231 km (0.07 R)
• M20: 22,455,688 km (0.063 R)
• M21: 24,440,253 km (0.11 R)
• M22: 27,060,011 km (0.07 R)
• M23: 28,392,479 km (0.066 R)
• M24: 31,188,014 km (0.107 R)
• M25: 33,050,508 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.7

Radius: 8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.33 AU - 6.61 AU

Year: 6072 Days

Day: 7.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,278,208 km

• M1: 99,483 km (0.112 R)
• M2: 437,723 km (0.06 R)
• M3: 1,189,303 km (0.106 R)
• M4: 1,721,124 km (0.11 R)
• M5: 2,001,470 km (0.111 R)
• M6: 2,558,572 km (0.086 R)
• M7: 3,705,240 km (0.063 R)
• M8: 4,110,351 km (0.115 R)
• M9: 4,592,056 km (0.118 R)
• M10: 6,119,450 km (0.095 R)
• M11: 9,502,307 km (0.106 R)
• M12: 13,072,760 km (0.081 R)
• M13: 15,749,065 km (0.084 R)
• M14: 16,246,778 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.7

Radius: 14

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.36 AU - 9.48 AU

Year: 8224 Days

Day: 9.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,278,208 km

• M1: 174,132 km (0.115 R)
• M2: 712,834 km (0.085 R)
• M3: 2,188,018 km (0.091 R)
• M4: 2,692,163 km (0.102 R)
• M5: 4,107,509 km (0.108 R)
• M6: 4,801,643 km (0.12 R)
• M7: 12,410,191 km (0.112 R)
• M8: 12,936,027 km (0.058 R)
• M9: 14,202,223 km (0.11 R)
• M10: 19,045,604 km (0.105 R)
• M11: 22,488,898 km (0.069 R)
• M12: 23,271,894 km (0.029 R)
• M13: 24,644,454 km (0.078 R)
• M14: 25,645,413 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.4

Radius: 7.8

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 13.44 AU - 21.24 AU

Year: 26641 Days

Day: 23.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,278,208 km

• M1: 133,591 km (0.106 R)
• M2: 728,841 km (0.096 R)
• M3: 1,085,333 km (0.07 R)
• M4: 1,506,301 km (0.058 R)
• M5: 1,914,254 km (0.119 R)
• M6: 3,193,167 km (0.067 R)
• M7: 3,476,206 km (0.112 R)
• M8: 6,252,144 km (0.053 R)
• M9: 6,516,483 km (0.111 R)
• M10: 12,306,519 km (0.106 R)
• M11: 18,296,568 km (0.076 R)
• M12: 19,022,117 km (0.088 R)
• M13: 24,429,183 km (0.078 R)
• M14: 39,779,719 km (0.108 R)
• M15: 62,941,210 km (0.103 R)
• M16: 66,270,062 km (0.042 R)
• M17: 78,606,201 km (0.088 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 14,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit