🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.3

Radius: 9.2

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.61 AU - 0.77 AU

Year: 376 Days

Day: 13.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 98.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,808,071 km

• M1: 114,442 km (0.09 R)
• M2: 457,620 km (0.106 R)
• M3: 779,854 km (0.036 R)
• M4: 1,186,461 km (0.056 R)
• M5: 1,559,857 km (0.082 R)
• M6: 1,886,878 km (0.11 R)
• M7: 2,373,819 km (0.056 R)
• M8: 2,850,438 km (0.066 R)
• M9: 3,199,150 km (0.065 R)
• M10: 3,745,033 km (0.03 R)
• M11: 4,324,725 km (0.07 R)
• M12: 4,772,471 km (0.113 R)
• M13: 5,067,777 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.5

Radius: 14.8

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.14 AU - 3.46 AU

Year: 3074 Days

Day: 11.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,808,071 km

• M1: 188,942 km (0.101 R)
• M2: 764,296 km (0.114 R)
• M3: 1,875,509 km (0.107 R)
• M4: 3,479,946 km (0.06 R)
• M5: 5,803,649 km (0.105 R)
• M6: 7,137,763 km (0.085 R)
• M7: 8,042,531 km (0.077 R)
• M8: 9,112,754 km (0.074 R)
• M9: 10,210,653 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.7

Radius: 14.7

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.68 AU - 4.56 AU

Year: 5486 Days

Day: 9.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,808,071 km

• M1: 182,809 km (0.108 R)
• M2: 870,809 km (0.08 R)
• M3: 1,672,654 km (0.071 R)
• M4: 4,038,544 km (0.118 R)
• M5: 5,156,788 km (0.102 R)
• M6: 7,572,195 km (0.092 R)
• M7: 10,978,838 km (0.043 R)
• M8: 11,766,172 km (0.101 R)
• M9: 13,247,490 km (0.117 R)
• M10: 14,086,734 km (0.044 R)
• M11: 18,501,666 km (0.067 R)
• M12: 19,954,112 km (0.105 R)
• M13: 21,127,707 km (0.092 R)
• M14: 23,385,588 km (0.093 R)
• M15: 25,880,581 km (0.079 R)
• M16: 27,443,430 km (0.057 R)
• M17: 28,634,678 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.2

Radius: 5.1

Gravity: 27.04 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.85 AU - 10.41 AU

Year: 18097 Days

Day: 19.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,808,071 km

• M1: 63,878 km (0.076 R)
• M2: 409,749 km (0.073 R)
• M3: 1,295,518 km (0.088 R)
• M4: 1,689,558 km (0.089 R)
• M5: 3,552,201 km (0.042 R)
• M6: 4,724,301 km (0.112 R)
• M7: 6,821,513 km (0.046 R)
• M8: 8,047,468 km (0.06 R)
• M9: 9,692,895 km (0.079 R)
• M10: 11,550,003 km (0.082 R)
• M11: 14,280,014 km (0.119 R)
• M12: 18,607,582 km (0.058 R)
• M13: 22,423,823 km (0.078 R)
• M14: 23,123,492 km (0.091 R)
• M15: 24,356,777 km (0.117 R)
• M16: 28,088,197 km (0.067 R)
• M17: 30,695,389 km (0.096 R)
• M18: 33,073,097 km (0.072 R)
• M19: 44,591,834 km (0.089 R)
• M20: 45,856,385 km (0.044 R)
• M21: 47,307,484 km (0.044 R)
• M22: 47,634,056 km (0.054 R)
• M23: 48,291,689 km (0.07 R)
• M24: 52,191,107 km (0.115 R)
• M25: 53,065,805 km (0.102 R)
• M26: 56,478,432 km (0.034 R)
• M27: 71,164,305 km (0.09 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 16,306 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit