🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.46 AU - 0.7 AU

Year: 200 Days

Day: 24.9 Hours

Environment

Temp: -11 °C

Axial Tilt: 22.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.4

Radius: 12.1

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.67 AU - 4.79 AU

Year: 3941 Days

Day: 14.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,702,606 km

• M1: 156,479 km (0.078 R)
• M2: 537,804 km (0.087 R)
• M3: 977,772 km (0.12 R)
• M4: 1,467,406 km (0.092 R)
• M5: 1,894,956 km (0.091 R)
• M6: 2,942,441 km (0.068 R)
• M7: 3,501,637 km (0.099 R)
• M8: 5,313,716 km (0.065 R)
• M9: 6,146,677 km (0.063 R)
• M10: 7,246,670 km (0.043 R)
• M11: 7,651,781 km (0.061 R)
• M12: 8,610,405 km (0.104 R)
• M13: 8,994,422 km (0.087 R)
• M14: 10,138,547 km (0.112 R)
• M15: 11,212,061 km (0.105 R)
• M16: 12,804,381 km (0.088 R)
• M17: 13,725,455 km (0.12 R)
• M18: 14,202,373 km (0.086 R)
• M19: 15,138,856 km (0.062 R)
• M20: 16,168,538 km (0.051 R)
• M21: 18,482,518 km (0.099 R)
• M22: 19,359,909 km (0.119 R)
• M23: 19,899,509 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129

Radius: 10.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.19 AU - 9.11 AU

Year: 11525 Days

Day: 10.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,702,606 km

• M1: 129,552 km (0.032 R)
• M2: 2,520,275 km (0.119 R)
• M3: 3,231,763 km (0.092 R)
• M4: 4,838,444 km (0.118 R)
• M5: 5,438,930 km (0.085 R)
• M6: 6,088,484 km (0.086 R)
• M7: 9,419,280 km (0.029 R)
• M8: 9,837,706 km (0.086 R)
• M9: 12,867,062 km (0.045 R)
• M10: 15,526,613 km (0.081 R)
• M11: 17,511,777 km (0.087 R)
• M12: 26,240,065 km (0.11 R)
• M13: 27,746,067 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.7

Radius: 4.8

Gravity: 19.08 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 9.11 AU - 11.33 AU

Year: 14802 Days

Day: 17 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,702,606 km

• M1: 59,690 km (0.043 R)
• M2: 388,506 km (0.115 R)
• M3: 542,442 km (0.062 R)
• M4: 773,720 km (0.111 R)
• M5: 1,103,883 km (0.092 R)
• M6: 1,314,666 km (0.046 R)
• M7: 1,817,465 km (0.089 R)
• M8: 2,058,467 km (0.116 R)
• M9: 2,224,371 km (0.058 R)
• M10: 2,625,592 km (0.062 R)
• M11: 3,144,846 km (0.116 R)
• M12: 3,623,260 km (0.047 R)
• M13: 5,179,527 km (0.06 R)
• M14: 7,472,563 km (0.048 R)
• M15: 9,379,637 km (0.066 R)
• M16: 11,245,721 km (0.073 R)
• M17: 11,531,153 km (0.089 R)
• M18: 12,355,737 km (0.117 R)
• M19: 13,282,197 km (0.098 R)
• M20: 15,977,801 km (0.047 R)
• M21: 16,411,186 km (0.085 R)
• M22: 17,226,195 km (0.088 R)
• M23: 18,936,398 km (0.118 R)
• M24: 24,645,052 km (0.042 R)
• M25: 30,071,566 km (0.101 R)
• M26: 32,425,189 km (0.117 R)
• M27: 33,003,085 km (0.042 R)
• M28: 34,537,960 km (0.102 R)
• M29: 36,243,226 km (0.069 R)
• M30: 37,116,578 km (0.118 R)
• M31: 39,689,063 km (0.094 R)
• M32: 45,761,989 km (0.105 R)
• M33: 46,488,885 km (0.092 R)
• M34: 48,715,948 km (0.108 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 10,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit