🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.56 AU - 0.84 AU

Year: 222 Days

Day: 36.4 Hours

Environment

Temp: 127 °C

Axial Tilt: 0.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.63 AU - 0.93 AU

Year: 261 Days

Day: 35.5 Hours

Environment

Temp: 132 °C

Axial Tilt: 19.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.21 AU - 1.59 AU

Year: 627 Days

Day: 17.2 Hours

Environment

Temp: -51 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,110,856 km

• M1: 57,894 km (0.073 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.67 AU - 3.71 AU

Year: 2685 Days

Day: 33 Hours

Environment

Temp: -128 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.6

Radius: 12.6

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.6 AU - 6.14 AU

Year: 4713 Days

Day: 5.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,110,856 km

• M1: 165,904 km (0.119 R)
• M2: 667,655 km (0.058 R)
• M3: 1,148,164 km (0.079 R)
• M4: 1,787,545 km (0.117 R)
• M5: 2,511,898 km (0.056 R)
• M6: 2,908,183 km (0.094 R)
• M7: 3,766,725 km (0.098 R)
• M8: 5,510,438 km (0.114 R)
• M9: 6,012,937 km (0.108 R)
• M10: 6,576,472 km (0.104 R)
• M11: 8,445,099 km (0.091 R)
• M12: 8,963,007 km (0.051 R)
• M13: 9,940,629 km (0.109 R)
• M14: 11,832,144 km (0.04 R)
• M15: 12,387,302 km (0.112 R)
• M16: 13,056,902 km (0.103 R)
• M17: 14,731,052 km (0.072 R)
• M18: 15,979,596 km (0.088 R)
• M19: 21,754,672 km (0.078 R)
• M20: 24,842,522 km (0.079 R)
• M21: 25,524,090 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152

Radius: 10.7

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.52 AU - 10.2 AU

Year: 9155 Days

Day: 13.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,110,856 km

• M1: 134,189 km (0.088 R)
• M2: 490,980 km (0.115 R)
• M3: 1,059,153 km (0.087 R)
• M4: 2,009,548 km (0.104 R)
• M5: 3,516,148 km (0.104 R)
• M6: 6,466,368 km (0.089 R)
• M7: 7,439,203 km (0.119 R)
• M8: 9,194,734 km (0.073 R)
• M9: 11,300,922 km (0.092 R)
• M10: 20,448,533 km (0.113 R)
• M11: 21,196,672 km (0.107 R)
• M12: 23,183,481 km (0.097 R)
• M13: 26,312,321 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.5

Radius: 9.1

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.78 AU - 10.08 AU

Year: 10968 Days

Day: 9.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,110,856 km

• M1: 113,246 km (0.072 R)
• M2: 499,208 km (0.116 R)
• M3: 1,249,890 km (0.094 R)
• M4: 2,057,868 km (0.106 R)
• M5: 2,681,991 km (0.108 R)
• M6: 5,354,706 km (0.058 R)
• M7: 5,806,492 km (0.079 R)
• M8: 6,389,026 km (0.111 R)
• M9: 7,123,851 km (0.116 R)
• M10: 9,389,211 km (0.11 R)
• M11: 9,903,529 km (0.118 R)
• M12: 11,665,941 km (0.081 R)
• M13: 12,989,284 km (0.108 R)
• M14: 13,510,333 km (0.072 R)
• M15: 19,893,226 km (0.085 R)
• M16: 20,430,432 km (0.092 R)
• M17: 20,820,134 km (0.106 R)
• M18: 24,379,367 km (0.1 R)
• M19: 25,801,145 km (0.112 R)
• M20: 34,954,590 km (0.041 R)
• M21: 38,272,371 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.7

Radius: 5.2

Gravity: 27.76 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 11.14 AU - 13.66 AU

Year: 16538 Days

Day: 24.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,110,856 km

• M1: 64,776 km (0.111 R)
• M2: 474,076 km (0.116 R)
• M3: 851,212 km (0.086 R)
• M4: 1,143,526 km (0.084 R)
• M5: 1,454,091 km (0.081 R)
• M6: 3,823,572 km (0.11 R)
• M7: 4,035,702 km (0.103 R)
• M8: 6,483,123 km (0.09 R)
• M9: 6,873,424 km (0.072 R)
• M10: 7,605,556 km (0.065 R)
• M11: 8,439,115 km (0.037 R)
• M12: 8,799,496 km (0.089 R)
• M13: 13,054,509 km (0.095 R)
• M14: 17,411,846 km (0.051 R)
• M15: 17,827,429 km (0.083 R)
• M16: 18,678,491 km (0.105 R)
• M17: 22,452,396 km (0.042 R)
• M18: 23,243,620 km (0.077 R)
• M19: 29,193,576 km (0.064 R)
• M20: 31,956,349 km (0.118 R)
• M21: 36,217,644 km (0.083 R)
• M22: 38,553,914 km (0.086 R)
• M23: 55,423,468 km (0.075 R)
• M24: 57,780,233 km (0.049 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 13,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit