🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.6

Radius: 8.2

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.58 AU - 0.78 AU

Year: 374 Days

Day: 13.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 57.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,097,382 km

• M1: 102,026 km (0.107 R)
• M2: 359,783 km (0.099 R)
• M3: 619,186 km (0.108 R)
• M4: 881,281 km (0.032 R)
• M5: 1,384,528 km (0.103 R)
• M6: 1,847,534 km (0.088 R)
• M7: 2,332,081 km (0.07 R)
• M8: 2,637,410 km (0.057 R)
• M9: 3,103,557 km (0.053 R)
• M10: 3,849,901 km (0.111 R)
• M11: 4,384,115 km (0.082 R)
• M12: 4,696,924 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968

Radius: 14.6

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.91 AU - 1.37 AU

Year: 812 Days

Day: 12.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,097,382 km

• M1: 181,911 km (0.047 R)
• M2: 974,331 km (0.058 R)
• M3: 1,441,675 km (0.111 R)
• M4: 1,986,510 km (0.099 R)
• M5: 2,507,410 km (0.092 R)
• M6: 3,080,519 km (0.097 R)
• M7: 4,325,622 km (0.083 R)
• M8: 5,138,238 km (0.119 R)
• M9: 6,414,158 km (0.057 R)
• M10: 7,045,312 km (0.083 R)
• M11: 7,742,288 km (0.034 R)
• M12: 8,458,712 km (0.083 R)
• M13: 9,935,842 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.4

Radius: 14.3

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.47 AU - 1.85 AU

Year: 1426 Days

Day: 11.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,097,382 km

• M1: 177,872 km (0.082 R)
• M2: 655,687 km (0.055 R)
• M3: 1,126,173 km (0.05 R)
• M4: 1,577,360 km (0.096 R)
• M5: 2,045,900 km (0.093 R)
• M6: 2,710,115 km (0.072 R)
• M7: 3,230,716 km (0.072 R)
• M8: 3,801,731 km (0.053 R)
• M9: 4,643,069 km (0.081 R)
• M10: 6,388,278 km (0.054 R)
• M11: 6,916,957 km (0.1 R)
• M12: 7,899,216 km (0.058 R)
• M13: 8,566,273 km (0.12 R)
• M14: 9,361,386 km (0.073 R)
• M15: 10,077,062 km (0.072 R)
• M16: 10,530,344 km (0.064 R)
• M17: 11,408,633 km (0.063 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740

Radius: 4.2

Gravity: 41.95 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.31 AU - 8.27 AU

Year: 13126 Days

Day: 19.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,097,382 km

• M1: 55,800 km (0.112 R)
• M2: 231,877 km (0.108 R)
• M3: 390,151 km (0.06 R)
• M4: 567,126 km (0.045 R)
• M5: 1,029,084 km (0.078 R)
• M6: 1,211,743 km (0.028 R)
• M7: 1,345,334 km (0.119 R)
• M8: 1,658,741 km (0.042 R)
• M9: 2,556,328 km (0.109 R)
• M10: 3,084,708 km (0.091 R)
• M11: 3,994,562 km (0.113 R)
• M12: 4,479,259 km (0.107 R)
• M13: 6,445,574 km (0.088 R)
• M14: 7,240,387 km (0.08 R)
• M15: 7,415,716 km (0.064 R)
• M16: 12,586,566 km (0.06 R)
• M17: 15,859,469 km (0.091 R)
• M18: 16,229,873 km (0.119 R)
• M19: 16,988,185 km (0.101 R)
• M20: 17,142,570 km (0.077 R)
• M21: 18,656,650 km (0.074 R)
• M22: 30,440,025 km (0.092 R)
• M23: 30,897,047 km (0.067 R)
• M24: 33,492,270 km (0.06 R)
• M25: 33,979,361 km (0.093 R)
• M26: 35,974,548 km (0.107 R)
• M27: 36,613,630 km (0.111 R)
• M28: 37,651,989 km (0.061 R)
• M29: 38,709,945 km (0.115 R)
• M30: 40,059,916 km (0.113 R)
• M31: 44,737,094 km (0.086 R)
• M32: 51,038,754 km (0.103 R)
• M33: 52,007,849 km (0.097 R)
• M34: 52,496,885 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.3

Radius: 8

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.26 AU - 12.74 AU

Year: 22689 Days

Day: 20.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,097,382 km

• M1: 107,411 km (0.079 R)
• M2: 374,593 km (0.037 R)
• M3: 695,780 km (0.114 R)
• M4: 1,083,687 km (0.108 R)
• M5: 2,541,817 km (0.096 R)
• M6: 3,245,526 km (0.091 R)
• M7: 3,498,496 km (0.119 R)
• M8: 4,044,229 km (0.107 R)
• M9: 4,677,177 km (0.062 R)
• M10: 5,766,250 km (0.056 R)
• M11: 6,025,353 km (0.027 R)
• M12: 8,436,273 km (0.118 R)
• M13: 10,361,149 km (0.081 R)
• M14: 12,935,429 km (0.094 R)
• M15: 15,691,769 km (0.118 R)
• M16: 16,052,749 km (0.085 R)
• M17: 29,749,033 km (0.085 R)
• M18: 39,178,336 km (0.107 R)
• M19: 39,709,558 km (0.055 R)
• M20: 47,506,749 km (0.074 R)
• M21: 49,488,172 km (0.05 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 15,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit