🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.2

Radius: 8.5

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.57 AU - 0.87 AU

Year: 394 Days

Day: 10.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,124,799 km

• M1: 105,915 km (0.066 R)
• M2: 410,945 km (0.099 R)
• M3: 769,980 km (0.084 R)
• M4: 1,189,303 km (0.082 R)
• M5: 1,484,460 km (0.11 R)
• M6: 2,020,618 km (0.072 R)
• M7: 2,436,949 km (0.075 R)
• M8: 3,861,420 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.7

Radius: 11.2

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.83 AU - 1.33 AU

Year: 725 Days

Day: 11.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,124,799 km

• M1: 139,276 km (0.078 R)
• M2: 647,759 km (0.063 R)
• M3: 1,093,261 km (0.089 R)
• M4: 1,520,363 km (0.108 R)
• M5: 1,913,357 km (0.075 R)
• M6: 2,875,570 km (0.07 R)
• M7: 3,813,848 km (0.107 R)
• M8: 4,280,294 km (0.111 R)
• M9: 6,859,511 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.3

Radius: 8.1

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.84 AU - 1.38 AU

Year: 755 Days

Day: 8.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,124,799 km

• M1: 102,026 km (0.075 R)
• M2: 415,284 km (0.044 R)
• M3: 673,340 km (0.106 R)
• M4: 931,995 km (0.092 R)
• M5: 1,284,298 km (0.097 R)
• M6: 2,849,091 km (0.101 R)
• M7: 4,462,355 km (0.03 R)
• M8: 5,473,038 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.4

Radius: 14.2

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.02 AU - 1.26 AU

Year: 786 Days

Day: 9 Hours

Environment

Temp: -162 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,124,799 km

• M1: 176,675 km (0.091 R)
• M2: 634,893 km (0.096 R)
• M3: 1,466,508 km (0.083 R)
• M4: 2,860,162 km (0.036 R)
• M5: 4,406,704 km (0.044 R)
• M6: 5,615,605 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.2

Radius: 4.3

Gravity: 16.72 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.01 AU - 12.31 AU

Year: 20910 Days

Day: 22.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,124,799 km

• M1: 53,556 km (0.057 R)
• M2: 381,026 km (0.101 R)
• M3: 737,667 km (0.062 R)
• M4: 4,103,470 km (0.073 R)
• M5: 5,311,472 km (0.116 R)
• M6: 5,938,736 km (0.09 R)
• M7: 8,306,571 km (0.066 R)
• M8: 9,831,422 km (0.083 R)
• M9: 11,834,837 km (0.08 R)
• M10: 16,934,180 km (0.072 R)
• M11: 22,568,484 km (0.111 R)
• M12: 23,135,311 km (0.066 R)
• M13: 26,319,352 km (0.094 R)
• M14: 27,584,950 km (0.088 R)
• M15: 32,096,223 km (0.114 R)
• M16: 33,174,824 km (0.101 R)
• M17: 36,684,988 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 16,033 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit