🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.53 AU - 2.81 AU

Year: 1594 Days

Day: 15.8 Hours

Environment

Temp: -97 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11

Radius: 11.9

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.43 AU - 6.63 AU

Year: 5408 Days

Day: 6.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 93.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,333,992 km

• M1: 148,251 km (0.114 R)
• M2: 1,451,847 km (0.1 R)
• M3: 2,507,260 km (0.11 R)
• M4: 4,167,198 km (0.052 R)
• M5: 4,801,493 km (0.093 R)
• M6: 6,946,428 km (0.037 R)
• M7: 7,384,001 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.7

Radius: 11

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.69 AU - 6.73 AU

Year: 6349 Days

Day: 7.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,333,992 km

• M1: 139,276 km (0.076 R)
• M2: 670,348 km (0.1 R)
• M3: 1,082,191 km (0.067 R)
• M4: 1,433,746 km (0.119 R)
• M5: 1,907,522 km (0.114 R)
• M6: 5,606,031 km (0.119 R)
• M7: 6,543,560 km (0.077 R)
• M8: 6,939,396 km (0.116 R)
• M9: 7,389,387 km (0.056 R)
• M10: 8,101,024 km (0.072 R)
• M11: 12,254,758 km (0.114 R)
• M12: 13,480,563 km (0.109 R)
• M13: 14,482,420 km (0.105 R)
• M14: 16,370,495 km (0.034 R)
• M15: 18,488,352 km (0.062 R)
• M16: 19,136,111 km (0.081 R)
• M17: 20,859,927 km (0.115 R)
• M18: 23,678,650 km (0.114 R)
• M19: 24,528,366 km (0.096 R)
• M20: 25,135,285 km (0.076 R)
• M21: 26,288,834 km (0.108 R)
• M22: 29,278,547 km (0.084 R)
• M23: 29,667,502 km (0.092 R)
• M24: 30,455,733 km (0.097 R)
• M25: 31,971,459 km (0.086 R)
• M26: 33,855,943 km (0.078 R)
• M27: 35,813,281 km (0.025 R)
• M28: 39,241,466 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.6

Radius: 13.5

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 9.01 AU - 10.47 AU

Year: 11103 Days

Day: 12 Hours

Environment

Temp: -164 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,333,992 km

• M1: 173,982 km (0.108 R)
• M2: 875,297 km (0.111 R)
• M3: 1,761,814 km (0.115 R)
• M4: 2,249,653 km (0.111 R)
• M5: 3,505,078 km (0.073 R)
• M6: 5,403,325 km (0.102 R)
• M7: 6,414,158 km (0.027 R)
• M8: 7,349,594 km (0.109 R)
• M9: 8,036,398 km (0.075 R)
• M10: 9,352,560 km (0.12 R)
• M11: 10,605,591 km (0.078 R)
• M12: 11,536,689 km (0.1 R)
• M13: 12,409,443 km (0.074 R)
• M14: 15,617,569 km (0.106 R)
• M15: 17,029,324 km (0.118 R)
• M16: 18,016,820 km (0.07 R)
• M17: 20,810,410 km (0.114 R)
• M18: 21,531,322 km (0.077 R)
• M19: 22,021,255 km (0.101 R)
• M20: 23,108,084 km (0.102 R)
• M21: 26,027,786 km (0.113 R)
• M22: 26,864,786 km (0.1 R)
• M23: 27,912,270 km (0.094 R)
• M24: 30,907,369 km (0.086 R)
• M25: 35,225,960 km (0.099 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 14,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit