🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.4

Radius: 10.9

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.43 AU - 0.61 AU

Year: 250 Days

Day: 5 Hours

Environment

Temp: -143 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,157,005 km

• M1: 135,536 km (0.116 R)
• M2: 477,516 km (0.112 R)
• M3: 850,015 km (0.106 R)
• M4: 1,211,743 km (0.102 R)
• M5: 1,551,180 km (0.09 R)
• M6: 2,445,028 km (0.111 R)
• M7: 2,821,416 km (0.057 R)

Asteroid Belt

Center: 0.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.1

Radius: 13.2

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.87 AU - 1.37 AU

Year: 790 Days

Day: 6.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,157,005 km

• M1: 164,258 km (0.11 R)
• M2: 679,623 km (0.06 R)
• M3: 1,100,442 km (0.108 R)
• M4: 1,766,302 km (0.088 R)
• M5: 2,383,543 km (0.065 R)
• M6: 2,842,808 km (0.06 R)
• M7: 4,013,412 km (0.039 R)
• M8: 4,575,900 km (0.089 R)
• M9: 5,023,646 km (0.12 R)
• M10: 5,750,542 km (0.077 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.5

Radius: 3.9

Gravity: 24.69 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.74 AU - 8.1 AU

Year: 12139 Days

Day: 19.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,157,005 km

• M1: 50,265 km (0.095 R)
• M2: 1,113,756 km (0.046 R)
• M3: 1,240,466 km (0.11 R)
• M4: 2,344,049 km (0.115 R)
• M5: 3,643,606 km (0.094 R)
• M6: 4,304,529 km (0.09 R)
• M7: 7,346,751 km (0.108 R)
• M8: 8,091,300 km (0.078 R)
• M9: 11,574,537 km (0.102 R)
• M10: 14,953,803 km (0.101 R)
• M11: 16,761,993 km (0.066 R)
• M12: 18,265,302 km (0.073 R)
• M13: 24,996,907 km (0.097 R)
• M14: 25,730,535 km (0.099 R)
• M15: 29,819,643 km (0.105 R)
• M16: 31,590,732 km (0.1 R)
• M17: 42,924,267 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.1

Radius: 7.2

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9.21 AU - 10.91 AU

Year: 21278 Days

Day: 22.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,157,005 km

• M1: 106,065 km (0.096 R)
• M2: 421,716 km (0.065 R)
• M3: 657,034 km (0.083 R)
• M4: 961,316 km (0.107 R)
• M5: 2,634,568 km (0.069 R)
• M6: 3,660,660 km (0.071 R)
• M7: 3,917,669 km (0.065 R)
• M8: 9,267,887 km (0.04 R)
• M9: 10,525,257 km (0.059 R)
• M10: 11,165,237 km (0.055 R)
• M11: 13,307,479 km (0.098 R)
• M12: 14,124,881 km (0.034 R)
• M13: 14,688,117 km (0.079 R)
• M14: 31,778,477 km (0.063 R)
• M15: 34,990,344 km (0.066 R)
• M16: 35,246,006 km (0.106 R)
• M17: 39,370,270 km (0.114 R)
• M18: 42,630,157 km (0.12 R)
• M19: 46,836,251 km (0.104 R)
• M20: 60,361,394 km (0.059 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 12,085 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit