🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.1

Radius: 12.1

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.58 AU - 0.6 AU

Year: 307 Days

Day: 7 Hours

Environment

Temp: -139 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 12,989,057 km

• M1: 150,495 km (0.062 R)
• M2: 569,669 km (0.117 R)
• M3: 1,003,353 km (0.047 R)
• M4: 1,447,359 km (0.059 R)
• M5: 1,960,181 km (0.069 R)
• M6: 2,542,416 km (0.119 R)
• M7: 3,100,715 km (0.057 R)
• M8: 3,524,526 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.1

Radius: 10.4

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.76 AU - 0.8 AU

Year: 467 Days

Day: 5.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,989,057 km

• M1: 132,544 km (0.079 R)
• M2: 461,061 km (0.084 R)
• M3: 793,766 km (0.084 R)
• M4: 1,259,464 km (0.107 R)
• M5: 1,764,507 km (0.107 R)
• M6: 2,165,728 km (0.029 R)
• M7: 2,521,323 km (0.081 R)
• M8: 2,974,604 km (0.047 R)
• M9: 3,331,096 km (0.086 R)
• M10: 4,057,842 km (0.029 R)
• M11: 4,407,602 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145

Radius: 13.1

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.79 AU - 0.81 AU

Year: 485 Days

Day: 13.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 12,989,057 km

• M1: 162,912 km (0.082 R)
• M2: 580,440 km (0.12 R)
• M3: 1,042,548 km (0.115 R)
• M4: 1,619,247 km (0.101 R)
• M5: 2,541,967 km (0.113 R)
• M6: 2,968,022 km (0.114 R)
• M7: 3,391,533 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.3

Radius: 8.6

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.68 AU - 0.98 AU

Year: 513 Days

Day: 8.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 12,989,057 km

• M1: 107,112 km (0.107 R)
• M2: 457,171 km (0.094 R)
• M3: 977,173 km (0.114 R)
• M4: 1,315,264 km (0.094 R)
• M5: 1,691,354 km (0.083 R)
• M6: 2,010,745 km (0.076 R)
• M7: 2,461,633 km (0.107 R)
• M8: 2,817,526 km (0.087 R)
• M9: 3,134,075 km (0.112 R)
• M10: 3,553,249 km (0.086 R)
• M11: 4,646,061 km (0.03 R)
• M12: 4,955,429 km (0.098 R)
• M13: 5,597,653 km (0.083 R)
• M14: 6,900,351 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.3

Radius: 14.6

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.95 AU - 1.06 AU

Year: 678 Days

Day: 5.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 12,989,057 km

• M1: 183,557 km (0.119 R)
• M2: 710,291 km (0.08 R)
• M3: 1,315,264 km (0.066 R)
• M4: 1,815,370 km (0.085 R)
• M5: 2,910,875 km (0.095 R)
• M6: 3,717,956 km (0.096 R)
• M7: 4,340,732 km (0.114 R)
• M8: 5,063,738 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.8

Radius: 10.3

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.88 AU - 2.44 AU

Year: 2153 Days

Day: 6.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 153.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 12,989,057 km

• M1: 128,355 km (0.039 R)
• M2: 563,535 km (0.072 R)
• M3: 1,270,086 km (0.112 R)
• M4: 1,683,874 km (0.113 R)
• M5: 2,106,039 km (0.046 R)
• M6: 2,887,089 km (0.105 R)
• M7: 3,289,807 km (0.064 R)
• M8: 3,955,816 km (0.063 R)
• M9: 4,749,433 km (0.109 R)
• M10: 6,327,840 km (0.069 R)
• M11: 7,439,203 km (0.081 R)
• M12: 8,142,612 km (0.08 R)
• M13: 8,982,455 km (0.074 R)
• M14: 9,978,477 km (0.04 R)
• M15: 10,975,397 km (0.106 R)
• M16: 11,334,283 km (0.112 R)
• M17: 11,737,898 km (0.06 R)
• M18: 12,613,045 km (0.113 R)
• M19: 12,967,143 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.1

Radius: 12.6

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.24 AU - 2.56 AU

Year: 2522 Days

Day: 14.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 12,989,057 km

• M1: 159,771 km (0.111 R)
• M2: 591,510 km (0.045 R)
• M3: 1,290,581 km (0.071 R)
• M4: 2,582,059 km (0.082 R)
• M5: 3,934,723 km (0.109 R)
• M6: 9,025,838 km (0.062 R)
• M7: 10,409,618 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.6

Radius: 9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.79 AU - 3.09 AU

Year: 3419 Days

Day: 10 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 12,989,057 km

• M1: 111,899 km (0.075 R)
• M2: 640,728 km (0.098 R)
• M3: 1,045,689 km (0.087 R)
• M4: 1,406,669 km (0.06 R)
• M5: 1,810,134 km (0.102 R)
• M6: 2,624,395 km (0.083 R)
• M7: 3,020,381 km (0.081 R)
• M8: 3,316,435 km (0.076 R)
• M9: 3,648,243 km (0.099 R)
• M10: 4,509,927 km (0.115 R)
• M11: 6,246,309 km (0.118 R)
• M12: 7,108,592 km (0.118 R)
• M13: 7,908,940 km (0.119 R)
• M14: 8,417,274 km (0.068 R)
• M15: 8,977,368 km (0.1 R)
• M16: 10,237,581 km (0.088 R)
• M17: 10,739,332 km (0.104 R)
• M18: 12,120,868 km (0.114 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 17,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit