🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.3

Radius: 8.7

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.78 AU - 1.2 AU

Year: 636 Days

Day: 6.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,452,428 km

• M1: 109,206 km (0.088 R)
• M2: 395,986 km (0.106 R)
• M3: 796,160 km (0.063 R)
• M4: 1,104,780 km (0.096 R)
• M5: 1,580,950 km (0.104 R)
• M6: 2,115,314 km (0.03 R)
• M7: 2,552,289 km (0.11 R)
• M8: 3,529,612 km (0.041 R)
• M9: 4,367,510 km (0.065 R)
• M10: 4,801,493 km (0.075 R)
• M11: 5,095,303 km (0.114 R)
• M12: 5,719,426 km (0.049 R)
• M13: 6,413,111 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.2

Radius: 10.8

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.82 AU - 1.26 AU

Year: 685 Days

Day: 8.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,452,428 km

• M1: 142,716 km (0.073 R)
• M2: 817,552 km (0.104 R)
• M3: 1,238,670 km (0.114 R)
• M4: 1,779,167 km (0.108 R)
• M5: 2,158,099 km (0.107 R)
• M6: 2,971,612 km (0.115 R)
• M7: 3,578,680 km (0.084 R)
• M8: 4,750,630 km (0.047 R)
• M9: 5,306,685 km (0.098 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.9

Radius: 5.8

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.67 AU - 7.23 AU

Year: 11830 Days

Day: 22 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,452,428 km

• M1: 87,365 km (0.052 R)
• M2: 288,873 km (0.11 R)
• M3: 704,157 km (0.081 R)
• M4: 2,713,556 km (0.087 R)
• M5: 3,869,349 km (0.103 R)
• M6: 4,682,114 km (0.106 R)
• M7: 7,375,325 km (0.12 R)
• M8: 10,033,380 km (0.063 R)
• M9: 12,762,045 km (0.091 R)
• M10: 17,138,530 km (0.105 R)
• M11: 18,514,831 km (0.117 R)
• M12: 19,627,689 km (0.095 R)
• M13: 19,963,387 km (0.092 R)
• M14: 21,485,695 km (0.058 R)
• M15: 22,420,682 km (0.083 R)
• M16: 26,433,196 km (0.065 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172

Radius: 6.6

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.84 AU - 7.58 AU

Year: 12500 Days

Day: 22 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,452,428 km

• M1: 82,129 km (0.107 R)
• M2: 345,721 km (0.074 R)
• M3: 596,896 km (0.09 R)
• M4: 818,151 km (0.115 R)
• M5: 1,218,475 km (0.077 R)
• M6: 3,423,398 km (0.091 R)
• M7: 5,656,146 km (0.032 R)
• M8: 7,090,789 km (0.081 R)
• M9: 7,456,407 km (0.114 R)
• M10: 8,629,104 km (0.118 R)
• M11: 9,607,774 km (0.075 R)
• M12: 9,919,835 km (0.12 R)
• M13: 13,645,121 km (0.093 R)
• M14: 15,450,019 km (0.086 R)
• M15: 15,940,401 km (0.072 R)
• M16: 17,146,758 km (0.11 R)
• M17: 19,173,660 km (0.085 R)
• M18: 19,526,262 km (0.093 R)
• M19: 20,463,493 km (0.12 R)
• M20: 22,818,762 km (0.082 R)
• M21: 23,294,632 km (0.035 R)
• M22: 23,615,520 km (0.099 R)
• M23: 27,077,065 km (0.089 R)
• M24: 27,699,991 km (0.086 R)
• M25: 30,192,441 km (0.089 R)
• M26: 34,153,942 km (0.057 R)
• M27: 34,880,988 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.3

Radius: 6

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.71 AU - 9.45 AU

Year: 13475 Days

Day: 21.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,452,428 km

• M1: 74,649 km (0.051 R)
• M2: 353,051 km (0.084 R)
• M3: 932,444 km (0.082 R)
• M4: 1,241,962 km (0.064 R)
• M5: 1,801,158 km (0.052 R)
• M6: 2,228,260 km (0.078 R)
• M7: 3,603,813 km (0.115 R)
• M8: 3,973,170 km (0.104 R)
• M9: 4,787,431 km (0.089 R)
• M10: 5,603,936 km (0.032 R)
• M11: 6,099,853 km (0.104 R)
• M12: 6,624,643 km (0.095 R)
• M13: 8,200,506 km (0.064 R)
• M14: 8,933,237 km (0.085 R)
• M15: 11,009,057 km (0.066 R)
• M16: 11,560,325 km (0.067 R)
• M17: 13,079,491 km (0.109 R)
• M18: 13,386,167 km (0.11 R)
• M19: 13,697,630 km (0.117 R)
• M20: 13,886,871 km (0.099 R)
• M21: 15,945,637 km (0.071 R)
• M22: 23,506,912 km (0.037 R)
• M23: 24,605,110 km (0.091 R)
• M24: 26,025,542 km (0.111 R)
• M25: 26,608,674 km (0.119 R)
• M26: 27,101,300 km (0.112 R)
• M27: 28,615,530 km (0.113 R)
• M28: 29,341,079 km (0.053 R)
• M29: 29,866,766 km (0.096 R)
• M30: 32,814,742 km (0.079 R)
• M31: 45,840,976 km (0.101 R)
• M32: 46,264,637 km (0.075 R)
• M33: 47,840,801 km (0.106 R)
• M34: 48,276,878 km (0.041 R)
• M35: 48,862,255 km (0.1 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: 342 - 11,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit