🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.08 AU - 1.22 AU

Year: 450 Days

Day: 42.6 Hours

Environment

Temp: -4 °C

Axial Tilt: 1.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 50,190,918 km

• M1: 634,594 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.55 AU - 1.61 AU

Year: 725 Days

Day: 15.8 Hours

Environment

Temp: -49 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,190,918 km

• M1: 34,707 km (0.08 R)
• M2: 1,031,926 km (0.06 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.74 AU - 2.06 AU

Year: 957 Days

Day: 32.4 Hours

Environment

Temp: -66 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.9 AU - 2.68 AU

Year: 1266 Days

Day: 43.8 Hours

Environment

Temp: -74 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,190,918 km

• M1: 1,843,943 km (0.094 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.01 AU - 4.89 AU

Year: 2867 Days

Day: 41.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,190,918 km

• M1: 27,227 km (0.076 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.17 AU - 4.81 AU

Year: 3475 Days

Day: 46.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.6

Radius: 15

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.01 AU - 6.91 AU

Year: 5314 Days

Day: 12.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,190,918 km

• M1: 187,446 km (0.047 R)
• M2: 657,782 km (0.099 R)
• M3: 1,137,393 km (0.1 R)
• M4: 2,065,797 km (0.056 R)
• M5: 2,600,609 km (0.096 R)
• M6: 3,106,998 km (0.118 R)
• M7: 3,770,465 km (0.107 R)
• M8: 4,272,665 km (0.111 R)
• M9: 4,929,100 km (0.112 R)
• M10: 5,413,349 km (0.11 R)
• M11: 5,961,026 km (0.083 R)
• M12: 6,646,783 km (0.08 R)
• M13: 7,275,992 km (0.095 R)
• M14: 8,176,870 km (0.116 R)
• M15: 11,526,366 km (0.115 R)
• M16: 12,333,596 km (0.034 R)
• M17: 13,286,684 km (0.119 R)
• M18: 13,837,055 km (0.116 R)
• M19: 14,517,576 km (0.097 R)
• M20: 15,042,515 km (0.118 R)
• M21: 16,379,321 km (0.111 R)
• M22: 18,463,519 km (0.099 R)
• M23: 19,569,496 km (0.086 R)
• M24: 22,142,579 km (0.117 R)
• M25: 22,839,107 km (0.106 R)
• M26: 24,194,763 km (0.036 R)
• M27: 32,576,283 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.8

Radius: 9.6

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.3 AU - 8.36 AU

Year: 7248 Days

Day: 10 Hours

Environment

Temp: -154 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,190,918 km

• M1: 119,977 km (0.116 R)
• M2: 475,422 km (0.093 R)
• M3: 858,991 km (0.103 R)
• M4: 1,580,651 km (0.117 R)
• M5: 2,258,030 km (0.11 R)
• M6: 3,273,052 km (0.095 R)
• M7: 4,235,714 km (0.082 R)
• M8: 4,739,261 km (0.117 R)
• M9: 8,861,729 km (0.089 R)
• M10: 9,686,612 km (0.112 R)
• M11: 10,611,875 km (0.08 R)
• M12: 14,103,040 km (0.045 R)
• M13: 15,875,326 km (0.101 R)
• M14: 16,542,981 km (0.103 R)
• M15: 17,934,092 km (0.107 R)
• M16: 21,507,536 km (0.079 R)
• M17: 22,574,019 km (0.086 R)
• M18: 27,100,103 km (0.111 R)
• M19: 32,514,948 km (0.098 R)
• M20: 33,050,059 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.4

Radius: 8

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 14.48 AU - 17.94 AU

Year: 23838 Days

Day: 21.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,190,918 km

• M1: 100,679 km (0.082 R)
• M2: 416,630 km (0.112 R)
• M3: 716,873 km (0.094 R)
• M4: 1,052,870 km (0.105 R)
• M5: 2,284,210 km (0.065 R)
• M6: 4,366,463 km (0.115 R)
• M7: 7,641,758 km (0.064 R)
• M8: 10,025,301 km (0.104 R)
• M9: 11,525,319 km (0.049 R)
• M10: 12,505,784 km (0.107 R)
• M11: 19,188,171 km (0.052 R)
• M12: 20,728,730 km (0.074 R)
• M13: 22,088,425 km (0.096 R)
• M14: 22,525,251 km (0.097 R)
• M15: 23,506,613 km (0.109 R)
• M16: 25,650,201 km (0.108 R)
• M17: 37,846,915 km (0.115 R)
• M18: 39,232,341 km (0.066 R)
• M19: 40,651,426 km (0.09 R)
• M20: 42,104,321 km (0.11 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 18,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit