🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108

Radius: 9.6

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.69 AU - 0.79 AU

Year: 432 Days

Day: 13.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,028,493 km

• M1: 119,828 km (0.094 R)
• M2: 454,478 km (0.044 R)
• M3: 861,085 km (0.117 R)
• M4: 1,167,013 km (0.096 R)
• M5: 1,614,610 km (0.066 R)
• M6: 2,125,487 km (0.092 R)
• M7: 2,936,457 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.1

Radius: 14.2

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.69 AU - 2.17 AU

Year: 1819 Days

Day: 10.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,028,493 km

• M1: 176,675 km (0.043 R)
• M2: 785,239 km (0.09 R)
• M3: 1,254,677 km (0.112 R)
• M4: 1,755,681 km (0.055 R)
• M5: 2,552,140 km (0.116 R)
• M6: 3,270,957 km (0.119 R)
• M7: 3,872,939 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.8

Radius: 9.5

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.21 AU - 4.01 AU

Year: 4652 Days

Day: 11.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,028,493 km

• M1: 132,993 km (0.075 R)
• M2: 519,404 km (0.077 R)
• M3: 945,309 km (0.113 R)
• M4: 1,451,698 km (0.069 R)
• M5: 2,118,306 km (0.118 R)
• M6: 2,575,028 km (0.12 R)
• M7: 3,551,603 km (0.073 R)
• M8: 3,865,908 km (0.069 R)
• M9: 4,177,521 km (0.093 R)
• M10: 5,289,631 km (0.037 R)
• M11: 8,021,438 km (0.11 R)
• M12: 10,787,054 km (0.108 R)
• M13: 11,492,557 km (0.06 R)
• M14: 11,791,903 km (0.09 R)
• M15: 14,035,422 km (0.074 R)
• M16: 16,066,512 km (0.08 R)
• M17: 16,441,105 km (0.109 R)
• M18: 17,543,641 km (0.12 R)
• M19: 18,228,501 km (0.058 R)
• M20: 20,955,969 km (0.102 R)
• M21: 21,596,996 km (0.061 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.3

Radius: 7.3

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.17 AU - 9.51 AU

Year: 16336 Days

Day: 19.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,028,493 km

• M1: 107,860 km (0.117 R)
• M2: 445,502 km (0.079 R)
• M3: 839,244 km (0.105 R)
• M4: 1,754,334 km (0.111 R)
• M5: 2,231,402 km (0.072 R)
• M6: 2,531,944 km (0.103 R)
• M7: 3,546,816 km (0.104 R)
• M8: 6,348,335 km (0.05 R)
• M9: 12,084,366 km (0.117 R)
• M10: 12,887,857 km (0.046 R)
• M11: 13,206,201 km (0.097 R)
• M12: 13,595,006 km (0.096 R)
• M13: 17,524,044 km (0.066 R)
• M14: 21,520,252 km (0.061 R)
• M15: 24,207,628 km (0.102 R)
• M16: 28,807,763 km (0.095 R)
• M17: 31,484,368 km (0.094 R)
• M18: 34,444,162 km (0.107 R)
• M19: 37,455,268 km (0.093 R)
• M20: 38,103,924 km (0.094 R)
• M21: 47,836,612 km (0.074 R)
• M22: 51,416,040 km (0.034 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: 186 - 13,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit