🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.56 AU - 1.92 AU

Year: 988 Days

Day: 20.7 Hours

Environment

Temp: -104 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.2 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.11 AU - 3.21 AU

Year: 1867 Days

Day: 39.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.4

Radius: 12.3

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.78 AU - 3.34 AU

Year: 2304 Days

Day: 5 Hours

Environment

Temp: -135 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,402,772 km

• M1: 154,235 km (0.103 R)
• M2: 1,095,056 km (0.075 R)
• M3: 1,884,484 km (0.086 R)
• M4: 2,454,901 km (0.099 R)
• M5: 3,272,603 km (0.096 R)
• M6: 3,811,455 km (0.12 R)
• M7: 4,621,677 km (0.027 R)
• M8: 6,285,953 km (0.061 R)
• M9: 8,126,755 km (0.058 R)
• M10: 8,813,559 km (0.085 R)
• M11: 13,018,156 km (0.077 R)
• M12: 13,959,127 km (0.108 R)
• M13: 15,479,490 km (0.053 R)
• M14: 15,926,489 km (0.116 R)
• M15: 17,002,696 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457

Radius: 14.2

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.63 AU - 4.11 AU

Year: 3277 Days

Day: 6.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,402,772 km

• M1: 176,525 km (0.1 R)
• M2: 628,610 km (0.118 R)
• M3: 1,136,046 km (0.051 R)
• M4: 2,035,279 km (0.116 R)
• M5: 3,318,230 km (0.11 R)
• M6: 4,633,345 km (0.097 R)
• M7: 5,545,593 km (0.106 R)
• M8: 7,727,029 km (0.104 R)
• M9: 9,114,849 km (0.115 R)
• M10: 10,317,167 km (0.108 R)
• M11: 11,135,916 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62

Radius: 13.1

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.8 AU - 3.96 AU

Year: 3290 Days

Day: 13.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,402,772 km

• M1: 162,912 km (0.078 R)
• M2: 581,038 km (0.089 R)
• M3: 1,040,453 km (0.03 R)
• M4: 1,648,569 km (0.104 R)
• M5: 2,299,768 km (0.059 R)
• M6: 3,131,083 km (0.09 R)
• M7: 4,386,958 km (0.069 R)
• M8: 5,139,285 km (0.117 R)
• M9: 6,231,051 km (0.093 R)
• M10: 9,148,658 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.7

Radius: 7.6

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 14.71 AU - 18.57 AU

Year: 29218 Days

Day: 17.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,402,772 km

• M1: 96,640 km (0.1 R)
• M2: 578,645 km (0.116 R)
• M3: 870,510 km (0.097 R)
• M4: 1,304,643 km (0.092 R)
• M5: 2,093,921 km (0.08 R)
• M6: 2,510,252 km (0.116 R)
• M7: 4,501,250 km (0.047 R)
• M8: 5,548,884 km (0.09 R)
• M9: 6,259,474 km (0.082 R)
• M10: 7,315,485 km (0.07 R)
• M11: 7,559,928 km (0.116 R)
• M12: 8,539,196 km (0.071 R)
• M13: 9,658,936 km (0.108 R)
• M14: 10,072,873 km (0.056 R)
• M15: 13,023,243 km (0.109 R)
• M16: 14,273,582 km (0.118 R)
• M17: 16,672,084 km (0.102 R)
• M18: 22,353,363 km (0.099 R)
• M19: 26,591,321 km (0.086 R)
• M20: 26,937,939 km (0.074 R)
• M21: 27,758,483 km (0.11 R)
• M22: 35,767,056 km (0.105 R)
• M23: 41,058,332 km (0.042 R)
• M24: 43,249,642 km (0.103 R)
• M25: 48,720,885 km (0.052 R)
• M26: 52,795,632 km (0.096 R)
• M27: 54,450,035 km (0.104 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 18,344 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit