🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.61 AU - 0.87 AU

Year: 223 Days

Day: 26.1 Hours

Environment

Temp: 186 °C

Axial Tilt: 43.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.39 AU - 1.43 AU

Year: 586 Days

Day: 38.4 Hours

Environment

Temp: -5 °C

Axial Tilt: 47.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.41 AU - 1.57 AU

Year: 636 Days

Day: 30.2 Hours

Environment

Temp: -16 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 74,551,414 km

• M1: 29,620 km (0.087 R)
• M2: 780,751 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.78 AU - 2.24 AU

Year: 997 Days

Day: 34.3 Hours

Environment

Temp: -58 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 74,551,414 km

• M1: 11,669 km (0.1 R)
• M2: 39,494 km (0.079 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.12 AU - 4.4 AU

Year: 3076 Days

Day: 41.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.51 AU - 5.75 AU

Year: 3485 Days

Day: 46.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.86 AU - 5.22 AU

Year: 3958 Days

Day: 43.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 17.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.7

Radius: 7.9

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 17.46 AU - 18 AU

Year: 26118 Days

Day: 16.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,551,414 km

• M1: 102,774 km (0.099 R)
• M2: 1,457,532 km (0.054 R)
• M3: 2,268,652 km (0.084 R)
• M4: 2,603,901 km (0.03 R)
• M5: 3,787,668 km (0.039 R)
• M6: 4,179,765 km (0.059 R)
• M7: 4,456,072 km (0.028 R)
• M8: 5,922,580 km (0.113 R)
• M9: 8,144,258 km (0.078 R)
• M10: 9,161,673 km (0.113 R)
• M11: 11,554,341 km (0.065 R)
• M12: 21,664,016 km (0.058 R)
• M13: 22,326,585 km (0.05 R)
• M14: 23,692,413 km (0.113 R)
• M15: 28,318,727 km (0.065 R)
• M16: 30,121,681 km (0.092 R)
• M17: 31,051,282 km (0.104 R)
• M18: 32,534,994 km (0.058 R)
• M19: 33,294,353 km (0.075 R)
• M20: 35,187,663 km (0.07 R)
• M21: 36,103,053 km (0.104 R)
• M22: 36,566,656 km (0.069 R)
• M23: 38,823,041 km (0.095 R)
• M24: 39,309,533 km (0.113 R)
• M25: 39,923,483 km (0.117 R)
• M26: 41,931,236 km (0.101 R)
• M27: 43,219,573 km (0.098 R)
• M28: 43,742,268 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.5

Radius: 4.9

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 19.36 AU - 21.36 AU

Year: 32140 Days

Day: 15.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 74,551,414 km

• M1: 60,886 km (0.081 R)
• M2: 278,701 km (0.097 R)
• M3: 647,908 km (0.043 R)
• M4: 920,775 km (0.05 R)
• M5: 1,281,605 km (0.113 R)
• M6: 2,345,096 km (0.111 R)
• M7: 3,014,547 km (0.108 R)
• M8: 3,594,538 km (0.12 R)
• M9: 4,052,307 km (0.046 R)
• M10: 4,411,940 km (0.101 R)
• M11: 4,721,907 km (0.119 R)
• M12: 5,120,137 km (0.106 R)
• M13: 5,501,312 km (0.109 R)
• M14: 5,942,177 km (0.075 R)
• M15: 6,493,296 km (0.116 R)
• M16: 6,669,522 km (0.038 R)
• M17: 9,261,006 km (0.111 R)
• M18: 10,176,545 km (0.056 R)
• M19: 11,025,812 km (0.111 R)
• M20: 12,864,370 km (0.071 R)
• M21: 14,370,521 km (0.07 R)
• M22: 14,821,559 km (0.033 R)
• M23: 15,050,593 km (0.103 R)
• M24: 15,672,920 km (0.094 R)
• M25: 19,864,054 km (0.056 R)
• M26: 22,666,172 km (0.091 R)
• M27: 31,361,099 km (0.075 R)
• M28: 35,139,343 km (0.068 R)
• M29: 36,509,360 km (0.056 R)
• M30: 36,927,337 km (0.05 R)
• M31: 40,534,441 km (0.082 R)
• M32: 43,117,098 km (0.12 R)
• M33: 45,969,032 km (0.086 R)
• M34: 46,456,272 km (0.062 R)
• M35: 56,194,795 km (0.095 R)
• M36: 60,754,388 km (0.114 R)
• M37: 65,965,331 km (0.082 R)
• M38: 72,338,948 km (0.072 R)
• M39: 72,558,258 km (0.057 R)

Kuiper Belt

Range: 31.4 - 46.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 10,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit