🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.4

Radius: 10.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.75 AU - 0.87 AU

Year: 494 Days

Day: 14.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,254,677 km

• M1: 135,835 km (0.071 R)
• M2: 513,569 km (0.107 R)
• M3: 881,431 km (0.065 R)
• M4: 1,347,428 km (0.095 R)
• M5: 1,706,014 km (0.039 R)
• M6: 2,789,402 km (0.067 R)
• M7: 3,279,335 km (0.098 R)
• M8: 3,678,013 km (0.089 R)
• M9: 4,056,496 km (0.117 R)
• M10: 4,474,921 km (0.076 R)
• M11: 5,042,196 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.2

Radius: 9.9

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.54 AU - 3.04 AU

Year: 3161 Days

Day: 5.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,254,677 km

• M1: 123,119 km (0.105 R)
• M2: 899,682 km (0.105 R)
• M3: 1,303,446 km (0.11 R)
• M4: 1,898,247 km (0.092 R)
• M5: 2,704,580 km (0.093 R)
• M6: 3,298,184 km (0.118 R)
• M7: 3,626,252 km (0.114 R)
• M8: 3,993,665 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.4

Radius: 11.8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.27 AU - 3.63 AU

Year: 3437 Days

Day: 5.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,254,677 km

• M1: 146,756 km (0.12 R)
• M2: 677,080 km (0.094 R)
• M3: 1,678,787 km (0.112 R)
• M4: 2,129,974 km (0.091 R)
• M5: 2,960,243 km (0.057 R)
• M6: 3,441,649 km (0.093 R)
• M7: 3,875,782 km (0.118 R)
• M8: 4,432,136 km (0.075 R)
• M9: 4,970,988 km (0.064 R)
• M10: 5,731,394 km (0.119 R)
• M11: 7,149,432 km (0.087 R)
• M12: 7,765,177 km (0.111 R)
• M13: 8,927,702 km (0.065 R)
• M14: 9,496,473 km (0.106 R)
• M15: 15,451,066 km (0.109 R)
• M16: 17,229,336 km (0.11 R)
• M17: 18,507,201 km (0.113 R)
• M18: 19,432,763 km (0.115 R)
• M19: 20,026,667 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.9

Radius: 9.4

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.43 AU - 4.65 AU

Year: 5508 Days

Day: 6.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,254,677 km

• M1: 120,875 km (0.104 R)
• M2: 555,008 km (0.079 R)
• M3: 923,318 km (0.11 R)
• M4: 1,382,584 km (0.109 R)
• M5: 2,663,141 km (0.096 R)
• M6: 3,931,133 km (0.101 R)
• M7: 4,990,136 km (0.103 R)
• M8: 5,374,752 km (0.089 R)
• M9: 7,059,075 km (0.109 R)
• M10: 8,052,255 km (0.07 R)
• M11: 11,396,067 km (0.091 R)
• M12: 13,308,526 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.2

Radius: 11.1

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.03 AU - 5.57 AU

Year: 7133 Days

Day: 12.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,254,677 km

• M1: 138,079 km (0.106 R)
• M2: 485,744 km (0.092 R)
• M3: 988,244 km (0.069 R)
• M4: 2,170,665 km (0.112 R)
• M5: 2,747,664 km (0.08 R)
• M6: 3,147,988 km (0.057 R)
• M7: 3,587,357 km (0.03 R)
• M8: 4,879,733 km (0.071 R)
• M9: 5,446,410 km (0.098 R)
• M10: 6,162,385 km (0.117 R)
• M11: 6,711,409 km (0.105 R)
• M12: 7,233,057 km (0.073 R)
• M13: 9,066,080 km (0.087 R)
• M14: 10,146,476 km (0.048 R)
• M15: 10,834,626 km (0.115 R)
• M16: 12,866,464 km (0.105 R)
• M17: 15,337,222 km (0.102 R)
• M18: 17,724,954 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.7

Radius: 4.4

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.25 AU - 7.08 AU

Year: 9133 Days

Day: 15.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,254,677 km

• M1: 54,902 km (0.087 R)
• M2: 387,309 km (0.117 R)
• M3: 527,632 km (0.105 R)
• M4: 875,148 km (0.114 R)
• M5: 1,029,533 km (0.069 R)
• M6: 1,306,737 km (0.035 R)
• M7: 1,521,859 km (0.089 R)
• M8: 1,813,575 km (0.066 R)
• M9: 3,009,610 km (0.115 R)
• M10: 3,574,940 km (0.109 R)
• M11: 4,184,252 km (0.07 R)
• M12: 5,519,413 km (0.101 R)
• M13: 6,715,149 km (0.115 R)
• M14: 7,183,690 km (0.101 R)
• M15: 14,837,566 km (0.116 R)
• M16: 16,037,191 km (0.046 R)
• M17: 17,115,642 km (0.031 R)
• M18: 17,797,958 km (0.085 R)
• M19: 19,885,895 km (0.094 R)
• M20: 22,497,126 km (0.111 R)
• M21: 23,846,349 km (0.04 R)
• M22: 24,618,723 km (0.109 R)
• M23: 26,952,749 km (0.069 R)
• M24: 27,790,647 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 15,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit