🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.4

Radius: 10.3

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.43 AU - 0.65 AU

Year: 274 Days

Day: 7.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,140,402 km

• M1: 128,205 km (0.066 R)
• M2: 451,337 km (0.025 R)
• M3: 1,001,857 km (0.108 R)
• M4: 1,361,341 km (0.08 R)
• M5: 1,786,498 km (0.059 R)
• M6: 2,224,072 km (0.11 R)
• M7: 2,638,009 km (0.106 R)
• M8: 2,959,195 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.6

Radius: 15

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.37 AU - 2.63 AU

Year: 2728 Days

Day: 13.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,140,402 km

• M1: 195,375 km (0.11 R)
• M2: 867,069 km (0.038 R)
• M3: 2,730,311 km (0.05 R)
• M4: 4,051,709 km (0.089 R)
• M5: 4,648,155 km (0.093 R)
• M6: 7,056,532 km (0.105 R)
• M7: 9,046,482 km (0.068 R)
• M8: 9,939,283 km (0.097 R)
• M9: 11,460,244 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.5

Radius: 9.9

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.11 AU - 3.47 AU

Year: 3217 Days

Day: 13.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,140,402 km

• M1: 128,505 km (0.048 R)
• M2: 437,424 km (0.088 R)
• M3: 837,898 km (0.081 R)
• M4: 1,805,646 km (0.088 R)
• M5: 2,133,864 km (0.117 R)
• M6: 2,626,490 km (0.057 R)
• M7: 3,300,279 km (0.043 R)
• M8: 3,634,929 km (0.026 R)
• M9: 5,566,686 km (0.088 R)
• M10: 6,270,694 km (0.059 R)
• M11: 6,742,825 km (0.088 R)
• M12: 8,767,482 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.9

Radius: 7.6

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.11 AU - 9.05 AU

Year: 15854 Days

Day: 19.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,140,402 km

• M1: 94,546 km (0.083 R)
• M2: 384,467 km (0.092 R)
• M3: 755,619 km (0.065 R)
• M4: 1,154,148 km (0.066 R)
• M5: 1,536,669 km (0.119 R)
• M6: 2,127,132 km (0.057 R)
• M7: 2,905,490 km (0.111 R)
• M8: 3,512,857 km (0.101 R)
• M9: 4,815,555 km (0.091 R)
• M10: 5,245,500 km (0.106 R)
• M11: 6,031,188 km (0.042 R)
• M12: 9,103,778 km (0.088 R)
• M13: 10,668,871 km (0.083 R)
• M14: 14,389,670 km (0.119 R)
• M15: 20,130,937 km (0.107 R)
• M16: 34,620,538 km (0.086 R)
• M17: 35,720,980 km (0.104 R)
• M18: 51,903,280 km (0.115 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 18,168 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit