🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.46 AU - 0.64 AU

Year: 182 Days

Day: 41.5 Hours

Environment

Temp: 30 °C

Axial Tilt: 38.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.86 AU - 2.46 AU

Year: 1417 Days

Day: 22.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.7

Radius: 13.2

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.54 AU - 4.54 AU

Year: 4317 Days

Day: 14.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 95,808,490 km

• M1: 164,258 km (0.098 R)
• M2: 797,656 km (0.035 R)
• M3: 1,819,260 km (0.076 R)
• M4: 2,234,693 km (0.105 R)
• M5: 2,646,686 km (0.117 R)
• M6: 3,224,433 km (0.102 R)
• M7: 3,648,542 km (0.09 R)
• M8: 4,391,296 km (0.035 R)
• M9: 5,910,163 km (0.115 R)
• M10: 7,002,527 km (0.118 R)
• M11: 7,897,870 km (0.113 R)
• M12: 9,222,110 km (0.051 R)
• M13: 10,866,490 km (0.1 R)
• M14: 11,688,231 km (0.053 R)
• M15: 12,798,098 km (0.116 R)
• M16: 17,028,127 km (0.086 R)
• M17: 17,824,287 km (0.109 R)
• M18: 22,471,844 km (0.097 R)
• M19: 24,801,083 km (0.077 R)
• M20: 25,585,574 km (0.116 R)
• M21: 27,870,682 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.7

Radius: 9.6

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.91 AU - 6.01 AU

Year: 5693 Days

Day: 11.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 95,808,490 km

• M1: 119,529 km (0.074 R)
• M2: 423,212 km (0.072 R)
• M3: 741,407 km (0.078 R)
• M4: 1,111,662 km (0.104 R)
• M5: 1,770,491 km (0.073 R)
• M6: 2,135,061 km (0.108 R)
• M7: 2,466,121 km (0.079 R)
• M8: 2,849,690 km (0.046 R)
• M9: 3,395,572 km (0.1 R)
• M10: 5,691,750 km (0.1 R)
• M11: 6,526,357 km (0.108 R)
• M12: 7,404,945 km (0.114 R)
• M13: 7,983,739 km (0.1 R)
• M14: 8,398,873 km (0.096 R)
• M15: 9,731,491 km (0.11 R)
• M16: 10,470,505 km (0.112 R)
• M17: 11,720,694 km (0.045 R)
• M18: 14,738,233 km (0.115 R)
• M19: 15,712,414 km (0.08 R)
• M20: 17,535,563 km (0.067 R)
• M21: 18,694,947 km (0.11 R)
• M22: 20,111,040 km (0.115 R)
• M23: 21,742,854 km (0.049 R)
• M24: 22,778,221 km (0.101 R)
• M25: 24,235,453 km (0.06 R)
• M26: 27,675,756 km (0.119 R)
• M27: 29,512,219 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.7

Radius: 11.3

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.85 AU - 7.11 AU

Year: 7361 Days

Day: 10 Hours

Environment

Temp: -188 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 95,808,490 km

• M1: 140,472 km (0.114 R)
• M2: 598,691 km (0.109 R)
• M3: 961,466 km (0.04 R)
• M4: 1,556,267 km (0.077 R)
• M5: 1,978,581 km (0.101 R)
• M6: 2,533,739 km (0.105 R)
• M7: 2,973,856 km (0.079 R)
• M8: 4,248,879 km (0.046 R)
• M9: 4,933,887 km (0.029 R)
• M10: 6,167,471 km (0.057 R)
• M11: 7,436,510 km (0.088 R)
• M12: 8,917,080 km (0.026 R)
• M13: 10,484,866 km (0.101 R)
• M14: 11,202,637 km (0.084 R)
• M15: 12,679,467 km (0.068 R)
• M16: 13,793,821 km (0.044 R)
• M17: 14,593,123 km (0.074 R)
• M18: 15,358,166 km (0.08 R)
• M19: 16,149,689 km (0.087 R)
• M20: 16,555,548 km (0.115 R)
• M21: 18,029,984 km (0.028 R)
• M22: 19,437,700 km (0.11 R)
• M23: 20,363,861 km (0.119 R)
• M24: 21,238,410 km (0.093 R)
• M25: 28,173,019 km (0.055 R)
• M26: 28,959,904 km (0.056 R)
• M27: 30,065,582 km (0.067 R)
• M28: 31,723,874 km (0.033 R)
• M29: 36,135,216 km (0.085 R)
• M30: 36,947,084 km (0.072 R)
• M31: 41,568,162 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.9

Radius: 12.9

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.09 AU - 9.01 AU

Year: 10192 Days

Day: 12.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 95,808,490 km

• M1: 160,369 km (0.118 R)
• M2: 775,067 km (0.11 R)
• M3: 2,819,471 km (0.119 R)
• M4: 3,250,463 km (0.051 R)
• M5: 6,732,951 km (0.107 R)
• M6: 12,060,132 km (0.055 R)
• M7: 14,247,552 km (0.047 R)
• M8: 23,113,469 km (0.059 R)
• M9: 23,526,360 km (0.034 R)
• M10: 24,966,837 km (0.1 R)
• M11: 25,401,569 km (0.087 R)
• M12: 29,933,038 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.1

Radius: 5.8

Gravity: 21.73 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.49 AU - 10.85 AU

Year: 14472 Days

Day: 19.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 95,808,490 km

• M1: 72,106 km (0.086 R)
• M2: 309,817 km (0.107 R)
• M3: 494,720 km (0.091 R)
• M4: 1,630,766 km (0.081 R)
• M5: 2,733,303 km (0.082 R)
• M6: 5,296,513 km (0.119 R)
• M7: 6,125,883 km (0.055 R)
• M8: 6,488,957 km (0.079 R)
• M9: 7,944,395 km (0.092 R)
• M10: 8,327,515 km (0.093 R)
• M11: 12,994,669 km (0.062 R)
• M12: 18,151,757 km (0.1 R)
• M13: 19,842,961 km (0.054 R)
• M14: 20,637,325 km (0.03 R)
• M15: 22,383,432 km (0.115 R)
• M16: 24,225,580 km (0.089 R)
• M17: 24,726,733 km (0.039 R)
• M18: 30,008,884 km (0.111 R)
• M19: 31,764,864 km (0.098 R)
• M20: 32,728,873 km (0.087 R)
• M21: 33,836,495 km (0.084 R)
• M22: 52,234,041 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825.5

Radius: 5.8

Gravity: 24.54 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 12.8 AU - 17.06 AU

Year: 25742 Days

Day: 16.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 95,808,490 km

• M1: 73,752 km (0.026 R)
• M2: 277,654 km (0.105 R)
• M3: 781,948 km (0.103 R)
• M4: 1,063,940 km (0.11 R)
• M5: 1,462,918 km (0.072 R)
• M6: 1,697,188 km (0.102 R)
• M7: 2,242,023 km (0.115 R)
• M8: 2,431,265 km (0.075 R)
• M9: 3,064,512 km (0.117 R)
• M10: 4,283,286 km (0.095 R)
• M11: 4,651,447 km (0.103 R)
• M12: 5,161,276 km (0.096 R)
• M13: 5,408,711 km (0.07 R)
• M14: 8,006,927 km (0.117 R)
• M15: 8,339,034 km (0.11 R)
• M16: 9,390,707 km (0.104 R)
• M17: 9,697,832 km (0.078 R)
• M18: 11,754,204 km (0.101 R)
• M19: 14,650,269 km (0.113 R)
• M20: 15,655,268 km (0.109 R)
• M21: 17,247,887 km (0.116 R)
• M22: 18,945,374 km (0.098 R)
• M23: 24,701,152 km (0.051 R)
• M24: 27,973,007 km (0.066 R)
• M25: 28,737,302 km (0.115 R)
• M26: 29,124,761 km (0.082 R)
• M27: 33,050,658 km (0.099 R)
• M28: 34,482,160 km (0.118 R)
• M29: 37,776,305 km (0.117 R)
• M30: 54,615,340 km (0.091 R)
• M31: 63,332,408 km (0.078 R)
• M32: 67,791,023 km (0.115 R)
• M33: 74,864,310 km (0.089 R)
• M34: 81,121,689 km (0.093 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 19,863 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit