🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.53 AU - 0.65 AU

Year: 288 Days

Day: 47.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 35,571,826 km

• M1: 30,219 km (0.086 R)
• M2: 510,278 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.1

Radius: 14.4

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.89 AU - 0.89 AU

Year: 534 Days

Day: 9.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,571,826 km

• M1: 179,069 km (0.111 R)
• M2: 635,043 km (0.081 R)
• M3: 1,093,112 km (0.061 R)
• M4: 1,591,273 km (0.081 R)
• M5: 2,101,700 km (0.115 R)
• M6: 2,692,911 km (0.1 R)
• M7: 3,169,530 km (0.104 R)
• M8: 3,764,481 km (0.078 R)
• M9: 4,392,044 km (0.056 R)
• M10: 4,848,617 km (0.072 R)
• M11: 5,448,354 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.6

Radius: 8.6

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.24 AU - 1.94 AU

Year: 1275 Days

Day: 11.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,571,826 km

• M1: 111,002 km (0.036 R)
• M2: 421,716 km (0.065 R)
• M3: 1,414,597 km (0.063 R)
• M4: 2,066,545 km (0.108 R)
• M5: 2,486,017 km (0.09 R)
• M6: 3,017,987 km (0.09 R)
• M7: 3,480,694 km (0.103 R)
• M8: 5,365,477 km (0.115 R)
• M9: 5,820,255 km (0.096 R)
• M10: 6,562,559 km (0.081 R)
• M11: 9,413,745 km (0.083 R)
• M12: 10,011,688 km (0.091 R)
• M13: 10,402,138 km (0.1 R)
• M14: 11,387,988 km (0.115 R)
• M15: 11,706,183 km (0.118 R)
• M16: 12,213,021 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.3

Radius: 13.9

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.03 AU - 5.69 AU

Year: 6812 Days

Day: 7.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,571,826 km

• M1: 172,935 km (0.089 R)
• M2: 719,416 km (0.101 R)
• M3: 1,177,186 km (0.053 R)
• M4: 1,894,208 km (0.047 R)
• M5: 2,833,084 km (0.114 R)
• M6: 4,492,424 km (0.072 R)
• M7: 5,383,579 km (0.089 R)
• M8: 5,934,847 km (0.099 R)
• M9: 7,115,473 km (0.081 R)
• M10: 9,066,529 km (0.097 R)
• M11: 10,074,818 km (0.113 R)
• M12: 10,629,976 km (0.037 R)
• M13: 11,451,418 km (0.087 R)
• M14: 12,896,084 km (0.029 R)
• M15: 14,343,593 km (0.081 R)
• M16: 18,161,481 km (0.098 R)
• M17: 19,265,363 km (0.078 R)
• M18: 22,298,161 km (0.098 R)
• M19: 24,543,775 km (0.082 R)
• M20: 26,498,271 km (0.098 R)
• M21: 27,113,118 km (0.074 R)
• M22: 31,786,107 km (0.106 R)
• M23: 32,982,740 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 16,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit