🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.5

Radius: 9.4

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.94 AU - 1.5 AU

Year: 914 Days

Day: 7.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,986,137 km

• M1: 116,986 km (0.048 R)
• M2: 419,024 km (0.117 R)
• M3: 757,264 km (0.06 R)
• M4: 1,272,031 km (0.081 R)
• M5: 1,641,986 km (0.085 R)
• M6: 2,049,491 km (0.083 R)
• M7: 2,427,225 km (0.08 R)
• M8: 2,725,224 km (0.087 R)
• M9: 3,149,484 km (0.082 R)
• M10: 3,642,708 km (0.086 R)
• M11: 5,063,439 km (0.102 R)
• M12: 5,453,291 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.7

Radius: 13.2

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.58 AU - 2.14 AU

Year: 1721 Days

Day: 5.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,986,137 km

• M1: 164,109 km (0.044 R)
• M2: 605,722 km (0.12 R)
• M3: 1,051,224 km (0.081 R)
• M4: 1,513,332 km (0.104 R)
• M5: 2,079,560 km (0.086 R)
• M6: 2,826,951 km (0.077 R)
• M7: 3,264,226 km (0.04 R)
• M8: 3,866,357 km (0.089 R)
• M9: 4,408,200 km (0.068 R)
• M10: 5,021,103 km (0.098 R)
• M11: 6,691,513 km (0.12 R)
• M12: 7,287,660 km (0.045 R)
• M13: 8,321,082 km (0.111 R)
• M14: 9,291,673 km (0.08 R)
• M15: 10,336,465 km (0.118 R)
• M16: 11,898,865 km (0.119 R)
• M17: 12,351,099 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.3

Radius: 13.1

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.01 AU - 3.03 AU

Year: 3560 Days

Day: 8.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 134.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,986,137 km

• M1: 169,046 km (0.074 R)
• M2: 655,837 km (0.12 R)
• M3: 1,106,725 km (0.032 R)
• M4: 2,198,790 km (0.103 R)
• M5: 3,083,661 km (0.099 R)
• M6: 4,626,165 km (0.11 R)
• M7: 5,448,654 km (0.116 R)
• M8: 5,993,190 km (0.09 R)
• M9: 8,156,674 km (0.083 R)
• M10: 8,944,756 km (0.049 R)
• M11: 9,510,685 km (0.073 R)
• M12: 10,840,460 km (0.082 R)
• M13: 13,086,373 km (0.109 R)
• M14: 13,619,390 km (0.118 R)
• M15: 14,217,333 km (0.029 R)
• M16: 16,227,330 km (0.071 R)
• M17: 20,414,873 km (0.057 R)
• M18: 22,896,253 km (0.117 R)
• M19: 23,671,170 km (0.085 R)
• M20: 24,173,370 km (0.062 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.2

Radius: 7.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 9.76 AU - 11.38 AU

Year: 23308 Days

Day: 19.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,986,137 km

• M1: 101,577 km (0.057 R)
• M2: 463,903 km (0.062 R)
• M3: 933,192 km (0.098 R)
• M4: 1,306,139 km (0.118 R)
• M5: 2,198,191 km (0.115 R)
• M6: 2,460,885 km (0.064 R)
• M7: 2,884,247 km (0.084 R)
• M8: 5,703,568 km (0.116 R)
• M9: 6,951,065 km (0.085 R)
• M10: 11,304,513 km (0.099 R)
• M11: 14,432,604 km (0.089 R)
• M12: 19,987,622 km (0.081 R)
• M13: 20,904,358 km (0.052 R)
• M14: 26,182,470 km (0.102 R)
• M15: 33,973,527 km (0.109 R)
• M16: 39,866,636 km (0.104 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 19,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit