🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.6

Radius: 12.3

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.94 AU - 1.04 AU

Year: 636 Days

Day: 12.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,839,001 km

• M1: 153,039 km (0.074 R)
• M2: 846,126 km (0.072 R)
• M3: 1,950,906 km (0.108 R)
• M4: 2,452,807 km (0.114 R)
• M5: 3,252,407 km (0.111 R)
• M6: 3,667,691 km (0.091 R)
• M7: 5,232,485 km (0.113 R)
• M8: 5,680,830 km (0.115 R)
• M9: 6,080,405 km (0.116 R)
• M10: 6,596,369 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.4

Radius: 12.6

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.22 AU - 1.38 AU

Year: 957 Days

Day: 5.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,839,001 km

• M1: 156,629 km (0.106 R)
• M2: 604,076 km (0.092 R)
• M3: 1,061,546 km (0.103 R)
• M4: 1,571,675 km (0.068 R)
• M5: 2,356,615 km (0.085 R)
• M6: 3,204,386 km (0.088 R)
• M7: 4,137,129 km (0.104 R)
• M8: 5,028,433 km (0.092 R)
• M9: 5,557,860 km (0.092 R)
• M10: 6,643,193 km (0.099 R)
• M11: 7,304,565 km (0.093 R)
• M12: 7,698,606 km (0.094 R)
• M13: 8,529,622 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.3

Radius: 14.8

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.73 AU - 2.29 AU

Year: 1840 Days

Day: 8.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,839,001 km

• M1: 184,005 km (0.115 R)
• M2: 817,852 km (0.084 R)
• M3: 1,751,043 km (0.026 R)
• M4: 2,354,670 km (0.077 R)
• M5: 2,820,817 km (0.078 R)
• M6: 3,733,364 km (0.114 R)
• M7: 5,657,642 km (0.116 R)
• M8: 7,133,724 km (0.112 R)
• M9: 7,974,464 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.8

Radius: 12

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.02 AU - 2.04 AU

Year: 1867 Days

Day: 5.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,839,001 km

• M1: 149,299 km (0.081 R)
• M2: 634,744 km (0.09 R)
• M3: 1,088,773 km (0.11 R)
• M4: 1,490,294 km (0.059 R)
• M5: 2,908,931 km (0.104 R)
• M6: 3,328,253 km (0.088 R)
• M7: 4,775,463 km (0.072 R)
• M8: 5,406,467 km (0.055 R)
• M9: 5,950,704 km (0.107 R)
• M10: 6,682,238 km (0.093 R)
• M11: 7,527,615 km (0.078 R)
• M12: 9,953,195 km (0.102 R)
• M13: 11,235,099 km (0.108 R)
• M14: 11,934,619 km (0.069 R)
• M15: 12,702,206 km (0.115 R)
• M16: 13,098,191 km (0.055 R)
• M17: 13,914,846 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819

Radius: 8.6

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.67 AU - 4.13 AU

Year: 4048 Days

Day: 13.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 27,839,001 km

• M1: 106,962 km (0.106 R)
• M2: 394,190 km (0.099 R)
• M3: 702,811 km (0.074 R)
• M4: 981,960 km (0.067 R)
• M5: 1,592,918 km (0.086 R)
• M6: 2,046,349 km (0.06 R)
• M7: 2,567,249 km (0.051 R)
• M8: 2,931,370 km (0.105 R)
• M9: 3,369,542 km (0.088 R)
• M10: 4,620,929 km (0.062 R)
• M11: 5,135,396 km (0.08 R)
• M12: 6,716,346 km (0.094 R)
• M13: 7,140,755 km (0.111 R)
• M14: 7,722,840 km (0.042 R)
• M15: 8,299,241 km (0.094 R)
• M16: 9,376,495 km (0.095 R)
• M17: 11,299,127 km (0.046 R)
• M18: 12,571,307 km (0.108 R)
• M19: 13,470,690 km (0.079 R)
• M20: 14,466,114 km (0.097 R)
• M21: 15,009,304 km (0.081 R)
• M22: 15,285,910 km (0.085 R)
• M23: 17,077,794 km (0.118 R)
• M24: 24,337,030 km (0.054 R)
• M25: 24,873,189 km (0.051 R)
• M26: 25,183,156 km (0.081 R)
• M27: 25,810,719 km (0.085 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 12,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit