🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.1

Radius: 12

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.68 AU - 0.84 AU

Year: 421 Days

Day: 8.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,014,269 km

• M1: 149,299 km (0.087 R)
• M2: 525,238 km (0.083 R)
• M3: 1,134,401 km (0.033 R)
• M4: 1,545,196 km (0.09 R)
• M5: 1,953,898 km (0.093 R)
• M6: 2,327,593 km (0.084 R)
• M7: 2,860,461 km (0.09 R)
• M8: 3,324,065 km (0.097 R)
• M9: 3,990,224 km (0.091 R)
• M10: 4,772,770 km (0.079 R)
• M11: 5,147,064 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.5

Radius: 10.8

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.64 AU - 0.9 AU

Year: 430 Days

Day: 6.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,014,269 km

• M1: 134,339 km (0.085 R)
• M2: 492,925 km (0.115 R)
• M3: 841,488 km (0.078 R)
• M4: 1,177,634 km (0.036 R)
• M5: 1,886,878 km (0.071 R)
• M6: 2,328,940 km (0.098 R)
• M7: 2,713,107 km (0.111 R)
• M8: 3,598,278 km (0.069 R)
• M9: 4,255,311 km (0.063 R)
• M10: 4,757,063 km (0.115 R)
• M11: 5,481,416 km (0.091 R)
• M12: 6,112,719 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.2

Radius: 14.4

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.75 AU - 0.87 AU

Year: 464 Days

Day: 14.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,014,269 km

• M1: 180,714 km (0.058 R)
• M2: 667,207 km (0.116 R)
• M3: 1,158,037 km (0.082 R)
• M4: 1,826,590 km (0.109 R)
• M5: 2,538,526 km (0.083 R)
• M6: 3,099,069 km (0.1 R)
• M7: 3,764,331 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.2

Radius: 13.8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.86 AU - 1 AU

Year: 570 Days

Day: 9.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,014,269 km

• M1: 171,888 km (0.118 R)
• M2: 710,590 km (0.072 R)
• M3: 1,354,010 km (0.087 R)
• M4: 1,789,340 km (0.093 R)
• M5: 2,557,974 km (0.111 R)
• M6: 3,127,792 km (0.107 R)
• M7: 4,413,586 km (0.117 R)
• M8: 5,023,496 km (0.092 R)
• M9: 5,541,853 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.6

Radius: 4

Gravity: 18.04 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 9.89 AU - 10.03 AU

Year: 19986 Days

Day: 17.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,014,269 km

• M1: 53,406 km (0.085 R)
• M2: 242,049 km (0.102 R)
• M3: 434,283 km (0.12 R)
• M4: 623,823 km (0.084 R)
• M5: 847,173 km (0.087 R)
• M6: 1,779,766 km (0.056 R)
• M7: 2,328,491 km (0.119 R)
• M8: 3,126,446 km (0.092 R)
• M9: 4,210,133 km (0.107 R)
• M10: 5,630,714 km (0.105 R)
• M11: 6,875,369 km (0.108 R)
• M12: 8,969,888 km (0.11 R)
• M13: 9,169,901 km (0.093 R)
• M14: 10,543,808 km (0.033 R)
• M15: 11,337,574 km (0.093 R)
• M16: 12,726,889 km (0.078 R)
• M17: 12,916,131 km (0.119 R)
• M18: 13,757,768 km (0.087 R)
• M19: 13,957,033 km (0.036 R)
• M20: 15,477,994 km (0.088 R)
• M21: 17,029,623 km (0.11 R)
• M22: 18,681,932 km (0.105 R)
• M23: 19,421,544 km (0.1 R)
• M24: 19,925,389 km (0.093 R)
• M25: 20,871,745 km (0.1 R)
• M26: 32,621,312 km (0.118 R)
• M27: 35,404,730 km (0.047 R)
• M28: 37,561,033 km (0.111 R)
• M29: 37,690,585 km (0.103 R)
• M30: 39,134,803 km (0.109 R)
• M31: 39,534,977 km (0.084 R)
• M32: 49,977,357 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 20,208 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit