🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.4

Radius: 14.7

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.55 AU - 0.65 AU

Year: 315 Days

Day: 7.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 153.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,347,560 km

• M1: 182,809 km (0.092 R)
• M2: 657,632 km (0.036 R)
• M3: 1,340,247 km (0.101 R)
• M4: 1,856,958 km (0.087 R)
• M5: 2,383,992 km (0.12 R)
• M6: 3,001,083 km (0.112 R)
• M7: 3,478,300 km (0.119 R)
• M8: 3,943,849 km (0.072 R)
• M9: 5,257,019 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.3

Radius: 9.8

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.79 AU - 1.21 AU

Year: 678 Days

Day: 9.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,347,560 km

• M1: 121,922 km (0.083 R)
• M2: 439,369 km (0.058 R)
• M3: 754,123 km (0.08 R)
• M4: 1,103,733 km (0.087 R)
• M5: 1,420,881 km (0.056 R)
• M6: 1,886,878 km (0.087 R)
• M7: 2,196,097 km (0.059 R)
• M8: 2,550,344 km (0.095 R)
• M9: 2,930,772 km (0.078 R)
• M10: 3,607,403 km (0.067 R)
• M11: 4,073,550 km (0.09 R)
• M12: 4,433,034 km (0.097 R)
• M13: 5,003,450 km (0.112 R)
• M14: 6,623,446 km (0.112 R)
• M15: 7,278,984 km (0.067 R)
• M16: 7,786,719 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.5

Radius: 11.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.95 AU - 1.29 AU

Year: 804 Days

Day: 7.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,347,560 km

• M1: 151,543 km (0.073 R)
• M2: 632,051 km (0.098 R)
• M3: 1,941,332 km (0.057 R)
• M4: 3,497,449 km (0.068 R)
• M5: 3,935,022 km (0.08 R)
• M6: 4,517,856 km (0.114 R)
• M7: 4,904,566 km (0.071 R)
• M8: 5,616,951 km (0.058 R)
• M9: 6,103,593 km (0.059 R)
• M10: 7,400,756 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.6

Radius: 8.1

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.05 AU - 1.46 AU

Year: 948 Days

Day: 6.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,347,560 km

• M1: 100,679 km (0.049 R)
• M2: 510,727 km (0.118 R)
• M3: 1,082,939 km (0.08 R)
• M4: 1,536,520 km (0.115 R)
• M5: 2,344,049 km (0.097 R)
• M6: 2,949,621 km (0.087 R)
• M7: 3,437,011 km (0.093 R)
• M8: 4,169,293 km (0.047 R)
• M9: 4,537,902 km (0.115 R)
• M10: 5,340,644 km (0.075 R)
• M11: 5,674,995 km (0.107 R)
• M12: 5,940,083 km (0.119 R)
• M13: 8,136,479 km (0.105 R)
• M14: 8,929,796 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.9

Radius: 11.7

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.68 AU - 4.92 AU

Year: 7133 Days

Day: 7.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,347,560 km

• M1: 281,693 km (0.102 R)
• M2: 1,101,489 km (0.058 R)
• M3: 1,744,162 km (0.108 R)
• M4: 2,406,581 km (0.119 R)
• M5: 3,597,380 km (0.105 R)
• M6: 4,579,340 km (0.1 R)
• M7: 5,249,688 km (0.106 R)
• M8: 6,243,916 km (0.044 R)
• M9: 6,879,557 km (0.116 R)
• M10: 7,294,243 km (0.12 R)
• M11: 8,530,968 km (0.102 R)
• M12: 10,599,458 km (0.089 R)
• M13: 13,519,010 km (0.104 R)
• M14: 17,695,633 km (0.082 R)
• M15: 18,906,927 km (0.119 R)
• M16: 19,723,432 km (0.107 R)
• M17: 22,245,353 km (0.088 R)
• M18: 24,900,416 km (0.075 R)

Asteroid Belt

Center: 5.52 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487.7

Radius: 4.4

Gravity: 25.19 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.84 AU - 6.62 AU

Year: 10547 Days

Day: 17.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 44,347,560 km

• M1: 54,753 km (0.065 R)
• M2: 198,367 km (0.08 R)
• M3: 344,374 km (0.102 R)
• M4: 532,868 km (0.078 R)
• M5: 851,361 km (0.076 R)
• M6: 1,274,723 km (0.117 R)
• M7: 3,289,657 km (0.105 R)
• M8: 3,527,368 km (0.105 R)
• M9: 3,827,761 km (0.098 R)
• M10: 4,064,125 km (0.071 R)
• M11: 4,565,877 km (0.064 R)
• M12: 5,624,581 km (0.1 R)
• M13: 6,318,715 km (0.12 R)
• M14: 6,574,527 km (0.055 R)
• M15: 8,831,510 km (0.032 R)
• M16: 10,610,977 km (0.108 R)
• M17: 11,235,847 km (0.079 R)
• M18: 11,395,767 km (0.119 R)
• M19: 11,995,505 km (0.116 R)
• M20: 12,331,203 km (0.113 R)
• M21: 12,501,445 km (0.076 R)
• M22: 15,509,110 km (0.032 R)
• M23: 16,933,731 km (0.115 R)
• M24: 19,806,908 km (0.044 R)
• M25: 20,832,401 km (0.09 R)
• M26: 21,317,397 km (0.04 R)
• M27: 21,645,017 km (0.096 R)
• M28: 26,120,237 km (0.117 R)
• M29: 33,985,794 km (0.118 R)
• M30: 35,110,471 km (0.119 R)
• M31: 36,609,292 km (0.085 R)
• M32: 37,910,494 km (0.062 R)
• M33: 40,855,777 km (0.085 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 15,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit