🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.9

Radius: 14.6

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.96 AU - 1.12 AU

Year: 746 Days

Day: 7.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,690,628 km

• M1: 181,761 km (0.109 R)
• M2: 735,872 km (0.097 R)
• M3: 1,234,781 km (0.102 R)
• M4: 2,218,387 km (0.114 R)
• M5: 2,956,204 km (0.062 R)
• M6: 4,050,662 km (0.086 R)
• M7: 4,891,252 km (0.086 R)
• M8: 5,533,476 km (0.114 R)
• M9: 8,841,982 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.7

Radius: 13.4

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.92 AU - 1.26 AU

Year: 800 Days

Day: 11.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,690,628 km

• M1: 166,652 km (0.08 R)
• M2: 771,476 km (0.09 R)
• M3: 1,314,516 km (0.059 R)
• M4: 1,767,349 km (0.082 R)
• M5: 3,859,326 km (0.099 R)
• M6: 4,287,176 km (0.106 R)
• M7: 4,794,612 km (0.094 R)
• M8: 5,273,624 km (0.084 R)
• M9: 5,712,095 km (0.065 R)
• M10: 6,347,737 km (0.109 R)
• M11: 7,134,771 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.7

Radius: 12.8

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.24 AU - 3.56 AU

Year: 4407 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,690,628 km

• M1: 160,070 km (0.117 R)
• M2: 560,394 km (0.071 R)
• M3: 978,071 km (0.086 R)
• M4: 1,607,130 km (0.049 R)
• M5: 3,164,743 km (0.076 R)
• M6: 4,362,573 km (0.104 R)
• M7: 5,095,004 km (0.067 R)
• M8: 5,820,853 km (0.112 R)
• M9: 7,050,099 km (0.116 R)
• M10: 7,713,266 km (0.118 R)
• M11: 8,501,647 km (0.119 R)
• M12: 9,923,874 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.5

Radius: 14.8

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.16 AU - 3.88 AU

Year: 4642 Days

Day: 8.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,690,628 km

• M1: 184,005 km (0.114 R)
• M2: 644,468 km (0.104 R)
• M3: 1,173,446 km (0.042 R)
• M4: 1,635,105 km (0.104 R)
• M5: 2,171,712 km (0.119 R)
• M6: 3,105,203 km (0.076 R)
• M7: 4,173,631 km (0.05 R)
• M8: 5,498,919 km (0.109 R)
• M9: 6,781,870 km (0.086 R)
• M10: 7,823,370 km (0.086 R)
• M11: 8,319,287 km (0.104 R)
• M12: 13,038,053 km (0.071 R)
• M13: 14,786,553 km (0.035 R)
• M14: 15,790,504 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.4

Radius: 9.3

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.09 AU - 5.41 AU

Year: 7277 Days

Day: 13.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,690,628 km

• M1: 117,135 km (0.12 R)
• M2: 573,857 km (0.084 R)
• M3: 1,477,279 km (0.068 R)
• M4: 2,486,167 km (0.094 R)
• M5: 2,856,871 km (0.109 R)
• M6: 3,285,768 km (0.108 R)
• M7: 4,324,725 km (0.085 R)
• M8: 4,670,146 km (0.107 R)
• M9: 6,374,365 km (0.113 R)
• M10: 6,858,314 km (0.088 R)
• M11: 8,096,237 km (0.119 R)
• M12: 10,480,976 km (0.06 R)
• M13: 11,403,546 km (0.093 R)
• M14: 11,910,384 km (0.074 R)
• M15: 17,769,833 km (0.09 R)
• M16: 18,176,740 km (0.052 R)
• M17: 29,530,620 km (0.051 R)
• M18: 30,197,677 km (0.071 R)
• M19: 32,158,905 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.6

Radius: 5.2

Gravity: 16.29 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.65 AU - 6.03 AU

Year: 9920 Days

Day: 16.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,690,628 km

• M1: 64,626 km (0.069 R)
• M2: 262,993 km (0.102 R)
• M3: 532,718 km (0.08 R)
• M4: 846,874 km (0.116 R)
• M5: 1,015,919 km (0.084 R)
• M6: 1,568,384 km (0.092 R)
• M7: 1,766,751 km (0.056 R)
• M8: 2,521,023 km (0.081 R)
• M9: 3,493,858 km (0.102 R)
• M10: 4,413,137 km (0.11 R)
• M11: 5,515,524 km (0.119 R)
• M12: 5,809,185 km (0.03 R)
• M13: 7,476,004 km (0.096 R)
• M14: 8,165,351 km (0.105 R)
• M15: 8,720,359 km (0.056 R)
• M16: 9,810,628 km (0.111 R)
• M17: 10,339,457 km (0.118 R)
• M18: 10,887,135 km (0.039 R)
• M19: 11,559,128 km (0.092 R)
• M20: 12,203,446 km (0.1 R)
• M21: 12,758,454 km (0.06 R)
• M22: 18,031,779 km (0.086 R)
• M23: 18,678,491 km (0.102 R)
• M24: 19,044,557 km (0.07 R)
• M25: 20,324,516 km (0.114 R)
• M26: 20,789,616 km (0.099 R)
• M27: 21,103,622 km (0.117 R)
• M28: 23,222,227 km (0.115 R)
• M29: 25,300,141 km (0.097 R)
• M30: 31,030,189 km (0.105 R)
• M31: 33,010,565 km (0.072 R)
• M32: 35,184,522 km (0.041 R)
• M33: 37,684,003 km (0.059 R)
• M34: 38,621,533 km (0.057 R)
• M35: 39,574,471 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.7

Radius: 3.5

Gravity: 55.24 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 8.38 AU - 9.5 AU

Year: 18789 Days

Day: 24.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,690,628 km

• M1: 52,658 km (0.111 R)
• M2: 175,478 km (0.106 R)
• M3: 651,200 km (0.111 R)
• M4: 796,160 km (0.061 R)
• M5: 1,742,965 km (0.075 R)
• M6: 2,125,038 km (0.117 R)
• M7: 2,975,053 km (0.072 R)
• M8: 3,605,309 km (0.109 R)
• M9: 4,157,026 km (0.109 R)
• M10: 5,542,003 km (0.116 R)
• M11: 6,023,259 km (0.073 R)
• M12: 12,196,266 km (0.078 R)
• M13: 12,597,637 km (0.07 R)
• M14: 15,269,305 km (0.079 R)
• M15: 18,644,682 km (0.117 R)
• M16: 21,119,779 km (0.095 R)
• M17: 24,012,702 km (0.119 R)
• M18: 27,046,098 km (0.08 R)
• M19: 30,814,319 km (0.099 R)
• M20: 31,682,735 km (0.087 R)
• M21: 43,564,695 km (0.111 R)
• M22: 44,500,579 km (0.101 R)
• M23: 53,712,517 km (0.114 R)
• M24: 64,518,121 km (0.105 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 16,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit