🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.87 AU - 1.27 AU

Year: 417 Days

Day: 27.5 Hours

Environment

Temp: 2 °C

Axial Tilt: 45.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.15 AU - 1.67 AU

Year: 631 Days

Day: 45.5 Hours

Environment

Temp: -35 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,166,586 km

• M1: 494,122 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.55 AU - 2.65 AU

Year: 1579 Days

Day: 38.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,166,586 km

• M1: 52,509 km (0.091 R)
• M2: 729,738 km (0.062 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.69 AU - 4.11 AU

Year: 2362 Days

Day: 39.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.3

Radius: 8.9

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.97 AU - 10.13 AU

Year: 9418 Days

Day: 10.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,166,586 km

• M1: 113,395 km (0.062 R)
• M2: 419,921 km (0.06 R)
• M3: 1,330,673 km (0.107 R)
• M4: 3,124,800 km (0.112 R)
• M5: 3,661,857 km (0.097 R)
• M6: 4,033,009 km (0.056 R)
• M7: 5,647,619 km (0.088 R)
• M8: 12,352,895 km (0.074 R)
• M9: 13,877,746 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.6

Radius: 13.1

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 11.46 AU - 11.62 AU

Year: 14768 Days

Day: 12.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,166,586 km

• M1: 175,628 km (0.119 R)
• M2: 606,021 km (0.12 R)
• M3: 1,331,720 km (0.101 R)
• M4: 2,660,000 km (0.104 R)
• M5: 3,538,738 km (0.081 R)
• M6: 5,048,779 km (0.114 R)
• M7: 6,230,602 km (0.07 R)
• M8: 7,495,751 km (0.082 R)
• M9: 8,615,940 km (0.076 R)
• M10: 9,030,625 km (0.04 R)
• M11: 11,126,042 km (0.042 R)
• M12: 11,934,021 km (0.118 R)
• M13: 12,450,432 km (0.101 R)
• M14: 13,116,891 km (0.045 R)
• M15: 16,023,578 km (0.116 R)
• M16: 16,732,522 km (0.097 R)
• M17: 19,779,232 km (0.086 R)
• M18: 20,687,291 km (0.115 R)
• M19: 24,703,096 km (0.083 R)
• M20: 30,388,863 km (0.109 R)
• M21: 35,549,391 km (0.116 R)
• M22: 38,127,710 km (0.068 R)
• M23: 38,545,986 km (0.03 R)
• M24: 41,412,730 km (0.086 R)
• M25: 42,598,293 km (0.113 R)
• M26: 43,048,732 km (0.115 R)
• M27: 57,902,604 km (0.108 R)
• M28: 59,384,670 km (0.115 R)
• M29: 61,082,007 km (0.046 R)
• M30: 64,771,091 km (0.117 R)
• M31: 67,786,535 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.3

Radius: 7.6

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 16.28 AU - 18.36 AU

Year: 27155 Days

Day: 16.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,166,586 km

• M1: 95,144 km (0.089 R)
• M2: 565,480 km (0.111 R)
• M3: 2,122,195 km (0.075 R)
• M4: 3,861,869 km (0.09 R)
• M5: 9,276,714 km (0.099 R)
• M6: 10,498,330 km (0.068 R)
• M7: 12,125,955 km (0.103 R)
• M8: 14,456,989 km (0.118 R)
• M9: 18,248,098 km (0.09 R)
• M10: 34,098,441 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.3

Radius: 8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 14.5 AU - 23.6 AU

Year: 31323 Days

Day: 17.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,166,586 km

• M1: 99,782 km (0.094 R)
• M2: 349,311 km (0.083 R)
• M3: 773,122 km (0.072 R)
• M4: 1,125,425 km (0.099 R)
• M5: 2,201,183 km (0.067 R)
• M6: 2,648,630 km (0.12 R)
• M7: 3,128,540 km (0.084 R)
• M8: 3,403,800 km (0.075 R)
• M9: 8,203,349 km (0.118 R)
• M10: 10,626,086 km (0.063 R)
• M11: 15,607,695 km (0.095 R)
• M12: 15,927,386 km (0.102 R)
• M13: 22,968,509 km (0.085 R)
• M14: 38,676,734 km (0.053 R)
• M15: 45,452,022 km (0.108 R)
• M16: 46,763,247 km (0.096 R)
• M17: 52,261,268 km (0.11 R)
• M18: 53,700,100 km (0.091 R)
• M19: 76,245,547 km (0.061 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 13,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit