🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.8

Radius: 8.8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.73 AU - 0.81 AU

Year: 443 Days

Day: 5.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,496,253 km

• M1: 109,954 km (0.082 R)
• M2: 402,269 km (0.084 R)
• M3: 867,817 km (0.073 R)
• M4: 1,382,284 km (0.073 R)
• M5: 1,669,213 km (0.09 R)
• M6: 2,080,757 km (0.11 R)
• M7: 2,409,274 km (0.083 R)
• M8: 2,927,481 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.6

Radius: 10.4

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.79 AU - 0.83 AU

Year: 478 Days

Day: 7.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,496,253 km

• M1: 129,402 km (0.113 R)
• M2: 659,128 km (0.086 R)
• M3: 1,108,969 km (0.034 R)
• M4: 1,558,660 km (0.111 R)
• M5: 2,075,970 km (0.104 R)
• M6: 2,750,058 km (0.097 R)
• M7: 3,218,897 km (0.073 R)
• M8: 3,934,274 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.6

Radius: 13.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.89 AU - 0.95 AU

Year: 579 Days

Day: 11.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,496,253 km

• M1: 168,597 km (0.097 R)
• M2: 742,604 km (0.086 R)
• M3: 1,208,601 km (0.099 R)
• M4: 1,850,675 km (0.115 R)
• M5: 2,379,653 km (0.113 R)
• M6: 2,950,818 km (0.109 R)
• M7: 3,639,567 km (0.09 R)
• M8: 4,280,893 km (0.05 R)
• M9: 4,782,195 km (0.118 R)
• M10: 5,235,477 km (0.114 R)
• M11: 5,978,978 km (0.108 R)
• M12: 6,486,264 km (0.079 R)
• M13: 7,344,956 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.4

Radius: 7.9

Gravity: 13.98 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.7 AU - 8.8 AU

Year: 14153 Days

Day: 19.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,496,253 km

• M1: 104,270 km (0.048 R)
• M2: 356,193 km (0.112 R)
• M3: 4,908,905 km (0.062 R)
• M4: 10,453,450 km (0.037 R)
• M5: 11,217,896 km (0.095 R)
• M6: 13,057,201 km (0.107 R)
• M7: 13,804,592 km (0.108 R)
• M8: 14,796,875 km (0.085 R)
• M9: 19,504,570 km (0.091 R)
• M10: 20,121,961 km (0.115 R)
• M11: 22,147,366 km (0.111 R)
• M12: 25,330,659 km (0.099 R)
• M13: 25,748,786 km (0.095 R)
• M14: 26,706,661 km (0.115 R)
• M15: 41,405,549 km (0.09 R)
• M16: 43,460,725 km (0.087 R)
• M17: 43,759,771 km (0.103 R)
• M18: 46,201,806 km (0.058 R)
• M19: 46,826,228 km (0.118 R)
• M20: 57,058,872 km (0.068 R)
• M21: 60,712,949 km (0.06 R)
• M22: 63,746,345 km (0.089 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 11,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit