🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.4

Radius: 12.4

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.78 AU - 1 AU

Year: 534 Days

Day: 9.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,723,056 km

• M1: 154,235 km (0.084 R)
• M2: 639,082 km (0.064 R)
• M3: 1,055,862 km (0.118 R)
• M4: 1,742,666 km (0.093 R)
• M5: 2,192,506 km (0.117 R)
• M6: 2,659,252 km (0.039 R)
• M7: 3,057,481 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.6

Radius: 15

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.42 AU - 3.48 AU

Year: 3222 Days

Day: 8.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,723,056 km

• M1: 186,549 km (0.033 R)
• M2: 1,085,482 km (0.103 R)
• M3: 2,076,418 km (0.069 R)
• M4: 3,560,130 km (0.062 R)
• M5: 5,334,959 km (0.117 R)
• M6: 5,865,433 km (0.028 R)
• M7: 6,431,212 km (0.105 R)
• M8: 10,742,174 km (0.115 R)
• M9: 11,356,124 km (0.111 R)
• M10: 14,186,067 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601

Radius: 13.1

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.38 AU - 5.18 AU

Year: 6645 Days

Day: 9 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,723,056 km

• M1: 163,211 km (0.106 R)
• M2: 699,819 km (0.115 R)
• M3: 1,982,321 km (0.111 R)
• M4: 2,439,193 km (0.061 R)
• M5: 3,125,548 km (0.105 R)
• M6: 3,819,982 km (0.064 R)
• M7: 4,968,893 km (0.086 R)
• M8: 5,429,056 km (0.109 R)
• M9: 8,613,097 km (0.093 R)
• M10: 10,954,454 km (0.073 R)
• M11: 11,990,120 km (0.118 R)
• M12: 13,692,544 km (0.082 R)
• M13: 14,313,375 km (0.109 R)
• M14: 16,414,626 km (0.078 R)
• M15: 18,990,253 km (0.117 R)
• M16: 21,521,449 km (0.101 R)
• M17: 26,544,497 km (0.12 R)
• M18: 34,216,474 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.2

Radius: 8

Gravity: 12.72 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.82 AU - 9.42 AU

Year: 16091 Days

Day: 18.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,723,056 km

• M1: 103,073 km (0.046 R)
• M2: 395,537 km (0.072 R)
• M3: 1,200,523 km (0.097 R)
• M4: 3,626,103 km (0.047 R)
• M5: 5,184,464 km (0.109 R)
• M6: 5,558,159 km (0.071 R)
• M7: 5,909,864 km (0.087 R)
• M8: 6,832,284 km (0.108 R)
• M9: 7,420,653 km (0.087 R)
• M10: 7,895,925 km (0.103 R)
• M11: 8,646,757 km (0.116 R)
• M12: 17,758,614 km (0.084 R)
• M13: 24,913,431 km (0.115 R)
• M14: 26,086,278 km (0.027 R)
• M15: 26,741,517 km (0.084 R)
• M16: 36,963,390 km (0.11 R)
• M17: 39,479,177 km (0.083 R)
• M18: 42,256,312 km (0.092 R)
• M19: 43,616,007 km (0.093 R)
• M20: 52,393,064 km (0.069 R)
• M21: 64,630,768 km (0.115 R)
• M22: 65,829,496 km (0.052 R)
• M23: 69,098,359 km (0.087 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: 163 - 17,316 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit