🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.94 AU - 1.07 AU

Year: 371 Days

Day: 12.3 Hours

Environment

Temp: 17 °C

Axial Tilt: 19.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 80,864,972 km

• M1: 94,097 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.52 AU - 4 AU

Year: 2183 Days

Day: 33.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.23 AU - 4.77 AU

Year: 2967 Days

Day: 12.1 Hours

Environment

Temp: -123 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,864,972 km

• M1: 25,581 km (0.112 R)

Asteroid Belt

Center: 5.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.2

Radius: 8.7

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.39 AU - 7.27 AU

Year: 5906 Days

Day: 11.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,864,972 km

• M1: 108,907 km (0.107 R)
• M2: 428,448 km (0.069 R)
• M3: 792,719 km (0.091 R)
• M4: 1,690,007 km (0.119 R)
• M5: 2,586,996 km (0.107 R)
• M6: 3,094,133 km (0.108 R)
• M7: 3,381,660 km (0.108 R)
• M8: 5,446,559 km (0.095 R)
• M9: 7,635,775 km (0.109 R)
• M10: 14,703,227 km (0.084 R)
• M11: 16,196,662 km (0.048 R)
• M12: 22,326,585 km (0.066 R)
• M13: 22,611,120 km (0.119 R)
• M14: 23,042,560 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.8

Radius: 8.9

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.65 AU - 7.97 AU

Year: 7330 Days

Day: 13.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,864,972 km

• M1: 133,591 km (0.056 R)
• M2: 410,347 km (0.069 R)
• M3: 735,423 km (0.093 R)
• M4: 1,127,220 km (0.106 R)
• M5: 1,454,690 km (0.112 R)
• M6: 1,830,779 km (0.11 R)
• M7: 2,925,237 km (0.112 R)
• M8: 3,577,633 km (0.095 R)
• M9: 6,844,402 km (0.107 R)
• M10: 7,825,614 km (0.117 R)
• M11: 8,500,899 km (0.051 R)
• M12: 9,352,859 km (0.111 R)
• M13: 11,121,405 km (0.083 R)
• M14: 11,920,258 km (0.094 R)
• M15: 15,371,929 km (0.093 R)
• M16: 16,295,397 km (0.075 R)
• M17: 18,617,605 km (0.063 R)
• M18: 20,992,022 km (0.114 R)
• M19: 24,877,079 km (0.119 R)
• M20: 32,622,957 km (0.03 R)
• M21: 35,260,817 km (0.028 R)
• M22: 37,565,073 km (0.06 R)
• M23: 41,583,421 km (0.076 R)
• M24: 42,984,106 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.9

Radius: 10.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 9.61 AU - 13.69 AU

Year: 14747 Days

Day: 11.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,864,972 km

• M1: 139,724 km (0.109 R)
• M2: 476,768 km (0.045 R)
• M3: 2,247,409 km (0.103 R)
• M4: 4,391,745 km (0.06 R)
• M5: 9,150,303 km (0.086 R)
• M6: 9,757,372 km (0.088 R)
• M7: 10,897,158 km (0.063 R)
• M8: 12,514,460 km (0.103 R)
• M9: 13,380,482 km (0.12 R)
• M10: 14,785,506 km (0.064 R)
• M11: 21,886,767 km (0.045 R)
• M12: 23,228,510 km (0.097 R)
• M13: 27,200,034 km (0.102 R)
• M14: 28,553,147 km (0.09 R)
• M15: 31,813,483 km (0.103 R)
• M16: 36,458,796 km (0.108 R)
• M17: 38,341,336 km (0.107 R)
• M18: 40,287,903 km (0.073 R)
• M19: 41,537,345 km (0.032 R)
• M20: 42,812,517 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.6

Radius: 6.7

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 14.83 AU - 23.43 AU

Year: 31030 Days

Day: 20.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,864,972 km

• M1: 83,326 km (0.106 R)
• M2: 408,103 km (0.044 R)
• M3: 700,866 km (0.119 R)
• M4: 1,709,006 km (0.09 R)
• M5: 2,375,315 km (0.103 R)
• M6: 3,120,312 km (0.098 R)
• M7: 3,636,724 km (0.1 R)
• M8: 4,109,154 km (0.047 R)
• M9: 6,154,157 km (0.112 R)
• M10: 7,011,652 km (0.111 R)
• M11: 7,692,622 km (0.074 R)
• M12: 11,246,469 km (0.083 R)
• M13: 11,772,754 km (0.104 R)
• M14: 13,232,231 km (0.083 R)
• M15: 16,674,179 km (0.052 R)
• M16: 18,419,238 km (0.051 R)
• M17: 25,371,799 km (0.114 R)
• M18: 29,735,120 km (0.106 R)
• M19: 31,897,856 km (0.059 R)
• M20: 34,299,650 km (0.12 R)
• M21: 34,711,344 km (0.113 R)
• M22: 35,825,249 km (0.099 R)
• M23: 37,977,813 km (0.108 R)
• M24: 39,911,814 km (0.088 R)
• M25: 41,754,561 km (0.034 R)
• M26: 43,173,197 km (0.042 R)
• M27: 44,786,910 km (0.109 R)
• M28: 49,343,960 km (0.087 R)
• M29: 52,729,958 km (0.081 R)
• M30: 59,366,569 km (0.077 R)
• M31: 60,357,954 km (0.027 R)
• M32: 61,967,028 km (0.112 R)
• M33: 64,225,807 km (0.029 R)
• M34: 66,751,916 km (0.05 R)
• M35: 78,703,440 km (0.058 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 14,526 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit