🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.63 AU - 0.87 AU

Year: 238 Days

Day: 33.8 Hours

Environment

Temp: 114 °C

Axial Tilt: 17.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.7 AU - 1.08 AU

Year: 308 Days

Day: 13.3 Hours

Environment

Temp: 101 °C

Axial Tilt: 20.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.93 AU - 1.01 AU

Year: 351 Days

Day: 31.6 Hours

Environment

Temp: 38 °C

Axial Tilt: 20.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.02 AU - 1.22 AU

Year: 435 Days

Day: 14.3 Hours

Environment

Temp: 1 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.49 AU - 1.71 AU

Year: 743 Days

Day: 30.7 Hours

Environment

Temp: -42 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 114,553,599 km

• M1: 43,982 km (0.111 R)

Asteroid Belt

Center: 1.99 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.2 AU - 2.56 AU

Year: 1348 Days

Day: 12.6 Hours

Environment

Temp: -78 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 114,553,599 km

• M1: 130,749 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332

Radius: 12.2

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.53 AU - 9.15 AU

Year: 8058 Days

Day: 14.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 114,553,599 km

• M1: 151,842 km (0.074 R)
• M2: 546,631 km (0.109 R)
• M3: 943,215 km (0.052 R)
• M4: 1,507,647 km (0.1 R)
• M5: 2,121,597 km (0.12 R)
• M6: 2,731,956 km (0.085 R)
• M7: 3,456,908 km (0.105 R)
• M8: 4,135,783 km (0.1 R)
• M9: 5,405,121 km (0.06 R)
• M10: 7,590,596 km (0.106 R)
• M11: 11,283,120 km (0.12 R)
• M12: 11,816,137 km (0.084 R)
• M13: 14,341,649 km (0.112 R)
• M14: 15,910,482 km (0.116 R)
• M15: 16,830,060 km (0.098 R)
• M16: 17,655,391 km (0.098 R)
• M17: 19,732,258 km (0.066 R)
• M18: 22,723,019 km (0.043 R)
• M19: 24,047,259 km (0.084 R)
• M20: 25,670,546 km (0.12 R)
• M21: 27,539,023 km (0.047 R)
• M22: 31,260,719 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.9

Radius: 9

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.42 AU - 10.32 AU

Year: 8889 Days

Day: 10.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 60.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 114,553,599 km

• M1: 112,049 km (0.107 R)
• M2: 1,012,478 km (0.074 R)
• M3: 2,032,437 km (0.111 R)
• M4: 4,134,586 km (0.099 R)
• M5: 4,585,773 km (0.114 R)
• M6: 5,468,999 km (0.108 R)
• M7: 7,140,007 km (0.058 R)
• M8: 10,747,410 km (0.117 R)
• M9: 12,758,305 km (0.044 R)
• M10: 13,445,109 km (0.068 R)
• M11: 17,317,450 km (0.094 R)
• M12: 20,489,672 km (0.075 R)
• M13: 27,782,120 km (0.116 R)
• M14: 28,576,784 km (0.098 R)
• M15: 30,026,985 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.7

Radius: 5.9

Gravity: 27.94 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 16.84 AU - 21.66 AU

Year: 31004 Days

Day: 21.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 114,553,599 km

• M1: 81,830 km (0.118 R)
• M2: 271,221 km (0.104 R)
• M3: 718,967 km (0.1 R)
• M4: 1,164,171 km (0.103 R)
• M5: 1,675,795 km (0.041 R)
• M6: 2,532,991 km (0.093 R)
• M7: 2,865,398 km (0.095 R)
• M8: 3,164,294 km (0.09 R)
• M9: 4,150,144 km (0.099 R)
• M10: 4,815,406 km (0.113 R)
• M11: 5,109,066 km (0.066 R)
• M12: 5,594,661 km (0.118 R)
• M13: 8,799,646 km (0.111 R)
• M14: 9,367,220 km (0.117 R)
• M15: 11,658,162 km (0.107 R)
• M16: 16,450,380 km (0.077 R)
• M17: 16,639,023 km (0.057 R)
• M18: 26,058,154 km (0.034 R)
• M19: 28,291,800 km (0.071 R)
• M20: 30,224,604 km (0.034 R)
• M21: 31,512,492 km (0.108 R)
• M22: 41,743,491 km (0.086 R)
• M23: 46,275,708 km (0.045 R)
• M24: 47,219,820 km (0.112 R)
• M25: 47,984,415 km (0.068 R)
• M26: 56,516,580 km (0.115 R)
• M27: 58,248,773 km (0.042 R)
• M28: 71,877,887 km (0.054 R)
• M29: 77,029,440 km (0.059 R)
• M30: 88,637,636 km (0.119 R)
• M31: 92,751,727 km (0.04 R)
• M32: 99,783,874 km (0.099 R)
• M33: 102,629,525 km (0.099 R)
• M34: 107,491,755 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 15,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit