🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.87 AU - 1.13 AU

Year: 379 Days

Day: 20.2 Hours

Environment

Temp: 26 °C

Axial Tilt: 24.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.93 AU - 1.31 AU

Year: 449 Days

Day: 31.5 Hours

Environment

Temp: -15 °C

Axial Tilt: 19.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.74 AU - 2.02 AU

Year: 976 Days

Day: 19 Hours

Environment

Temp: -67 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.15 AU - 3.31 AU

Year: 2199 Days

Day: 38.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 102,979,665 km

• M1: 116,836 km (0.114 R)

Asteroid Belt

Center: 4.22 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.1

Radius: 8.1

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.48 AU - 5.92 AU

Year: 4491 Days

Day: 7.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 102,979,665 km

• M1: 124,765 km (0.097 R)
• M2: 779,854 km (0.082 R)
• M3: 1,078,900 km (0.062 R)
• M4: 1,748,949 km (0.096 R)
• M5: 2,135,659 km (0.066 R)
• M6: 3,133,178 km (0.085 R)
• M7: 3,745,482 km (0.078 R)
• M8: 4,028,371 km (0.112 R)
• M9: 4,369,006 km (0.051 R)
• M10: 4,987,743 km (0.057 R)
• M11: 5,330,771 km (0.113 R)
• M12: 6,427,323 km (0.099 R)
• M13: 9,986,555 km (0.096 R)
• M14: 10,612,323 km (0.047 R)
• M15: 11,812,996 km (0.09 R)
• M16: 12,602,274 km (0.114 R)
• M17: 13,520,057 km (0.106 R)
• M18: 14,778,774 km (0.099 R)
• M19: 15,591,240 km (0.065 R)
• M20: 18,092,815 km (0.114 R)
• M21: 19,438,747 km (0.117 R)
• M22: 20,976,165 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.8

Radius: 11

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.05 AU - 6.29 AU

Year: 5805 Days

Day: 10.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 102,979,665 km

• M1: 139,575 km (0.091 R)
• M2: 539,450 km (0.11 R)
• M3: 925,263 km (0.11 R)
• M4: 1,329,327 km (0.114 R)
• M5: 1,981,125 km (0.118 R)
• M6: 2,457,444 km (0.082 R)
• M7: 2,835,478 km (0.072 R)
• M8: 4,413,586 km (0.095 R)
• M9: 4,920,872 km (0.1 R)
• M10: 5,290,230 km (0.064 R)
• M11: 5,770,289 km (0.058 R)
• M12: 6,213,996 km (0.1 R)
• M13: 6,957,348 km (0.047 R)
• M14: 7,460,595 km (0.109 R)
• M15: 7,987,928 km (0.111 R)
• M16: 9,330,120 km (0.115 R)
• M17: 9,942,723 km (0.118 R)
• M18: 10,864,396 km (0.116 R)
• M19: 13,199,319 km (0.065 R)
• M20: 15,186,877 km (0.104 R)
• M21: 16,723,546 km (0.087 R)
• M22: 18,159,386 km (0.03 R)
• M23: 19,746,769 km (0.058 R)
• M24: 20,537,693 km (0.113 R)
• M25: 21,801,646 km (0.026 R)
• M26: 24,076,132 km (0.084 R)
• M27: 27,912,270 km (0.104 R)
• M28: 28,452,767 km (0.109 R)
• M29: 32,532,750 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286

Radius: 4

Gravity: 17.88 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 9.44 AU - 15.1 AU

Year: 16279 Days

Day: 17.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 102,979,665 km

• M1: 80,184 km (0.038 R)
• M2: 227,090 km (0.116 R)
• M3: 411,394 km (0.074 R)
• M4: 606,320 km (0.077 R)
• M5: 743,053 km (0.106 R)
• M6: 2,119,054 km (0.073 R)
• M7: 2,418,698 km (0.12 R)
• M8: 3,666,793 km (0.086 R)
• M9: 4,070,408 km (0.114 R)
• M10: 4,326,370 km (0.112 R)
• M11: 6,466,069 km (0.045 R)
• M12: 7,257,292 km (0.119 R)
• M13: 10,640,747 km (0.026 R)
• M14: 11,457,851 km (0.032 R)
• M15: 13,903,477 km (0.119 R)
• M16: 15,622,356 km (0.1 R)
• M17: 24,653,879 km (0.101 R)
• M18: 25,789,327 km (0.058 R)
• M19: 31,004,757 km (0.092 R)
• M20: 32,215,004 km (0.113 R)
• M21: 36,033,938 km (0.118 R)
• M22: 37,741,448 km (0.109 R)
• M23: 40,662,347 km (0.025 R)
• M24: 41,712,524 km (0.116 R)
• M25: 41,977,911 km (0.102 R)
• M26: 48,250,549 km (0.079 R)
• M27: 49,131,381 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.8

Radius: 7.4

Gravity: 15.15 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 13.62 AU - 22.12 AU

Year: 28611 Days

Day: 17.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 102,979,665 km

• M1: 92,900 km (0.11 R)
• M2: 467,793 km (0.095 R)
• M3: 722,558 km (0.062 R)
• M4: 1,217,727 km (0.114 R)
• M5: 1,719,029 km (0.096 R)
• M6: 2,733,452 km (0.07 R)
• M7: 3,069,000 km (0.109 R)
• M8: 4,243,942 km (0.075 R)
• M9: 4,695,129 km (0.076 R)
• M10: 5,095,154 km (0.058 R)
• M11: 6,289,543 km (0.098 R)
• M12: 6,826,151 km (0.089 R)
• M13: 7,552,598 km (0.106 R)
• M14: 8,444,800 km (0.116 R)
• M15: 9,656,393 km (0.05 R)
• M16: 11,541,775 km (0.062 R)
• M17: 14,895,310 km (0.07 R)
• M18: 16,113,785 km (0.081 R)
• M19: 22,650,763 km (0.083 R)
• M20: 23,216,542 km (0.076 R)
• M21: 29,403,761 km (0.053 R)
• M22: 30,760,464 km (0.12 R)
• M23: 31,314,724 km (0.083 R)
• M24: 38,494,674 km (0.11 R)
• M25: 44,547,852 km (0.076 R)
• M26: 45,794,152 km (0.104 R)
• M27: 51,205,855 km (0.101 R)
• M28: 56,613,669 km (0.085 R)
• M29: 60,639,347 km (0.118 R)
• M30: 62,832,901 km (0.105 R)
• M31: 66,682,353 km (0.112 R)
• M32: 73,606,940 km (0.112 R)
• M33: 78,394,520 km (0.111 R)
• M34: 78,652,128 km (0.102 R)
• M35: 79,168,988 km (0.05 R)
• M36: 93,126,170 km (0.076 R)
• M37: 96,337,438 km (0.082 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 13,881 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit