🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.62 AU - 0.78 AU

Year: 209 Days

Day: 14.1 Hours

Environment

Temp: 157 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 111,444,265 km

• M1: 121,773 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.78 AU - 1.06 AU

Year: 315 Days

Day: 44.6 Hours

Environment

Temp: 121 °C

Axial Tilt: 13.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.97 AU - 1.33 AU

Year: 440 Days

Day: 27.7 Hours

Environment

Temp: 16 °C

Axial Tilt: 9.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.55 AU - 1.85 AU

Year: 790 Days

Day: 27.7 Hours

Environment

Temp: -30 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 111,444,265 km

• M1: 114,143 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.43 AU - 1.97 AU

Year: 790 Days

Day: 19.1 Hours

Environment

Temp: -42 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.45 AU - 1.96 AU

Year: 790 Days

Day: 36.8 Hours

Environment

Temp: -30 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.8

Radius: 12.2

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.77 AU - 5.73 AU

Year: 4288 Days

Day: 7.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 111,444,265 km

• M1: 151,692 km (0.084 R)
• M2: 662,569 km (0.094 R)
• M3: 1,066,932 km (0.059 R)
• M4: 1,927,718 km (0.098 R)
• M5: 2,602,255 km (0.096 R)
• M6: 3,429,082 km (0.111 R)
• M7: 4,423,609 km (0.104 R)
• M8: 4,854,152 km (0.067 R)
• M9: 5,504,005 km (0.115 R)
• M10: 7,354,979 km (0.115 R)
• M11: 8,667,401 km (0.099 R)
• M12: 11,154,017 km (0.063 R)
• M13: 11,873,882 km (0.092 R)
• M14: 15,308,500 km (0.113 R)
• M15: 17,863,781 km (0.057 R)

Asteroid Belt

Center: 10.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 16.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.2

Radius: 6.9

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 14.8 AU - 17.28 AU

Year: 22898 Days

Day: 24.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 111,444,265 km

• M1: 213,626 km (0.105 R)
• M2: 532,868 km (0.106 R)
• M3: 773,122 km (0.061 R)
• M4: 1,910,365 km (0.107 R)
• M5: 2,648,331 km (0.093 R)
• M6: 3,183,592 km (0.05 R)
• M7: 5,855,859 km (0.082 R)
• M8: 12,381,917 km (0.082 R)
• M9: 14,490,798 km (0.111 R)
• M10: 17,902,377 km (0.118 R)
• M11: 24,325,362 km (0.107 R)
• M12: 32,675,765 km (0.065 R)
• M13: 34,457,027 km (0.112 R)
• M14: 35,487,008 km (0.065 R)
• M15: 39,315,218 km (0.034 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.6

Radius: 6.5

Gravity: 19.26 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 19.28 AU - 21.26 AU

Year: 32529 Days

Day: 23.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 111,444,265 km

• M1: 81,232 km (0.092 R)
• M2: 752,178 km (0.039 R)
• M3: 1,068,578 km (0.082 R)
• M4: 1,949,260 km (0.086 R)
• M5: 3,087,700 km (0.107 R)
• M6: 4,693,633 km (0.106 R)
• M7: 6,337,415 km (0.064 R)
• M8: 7,982,991 km (0.061 R)
• M9: 8,873,398 km (0.074 R)
• M10: 9,374,551 km (0.087 R)
• M11: 10,228,754 km (0.115 R)
• M12: 10,709,861 km (0.104 R)
• M13: 10,920,495 km (0.113 R)
• M14: 14,169,013 km (0.103 R)
• M15: 16,195,465 km (0.117 R)
• M16: 21,473,727 km (0.069 R)
• M17: 22,720,775 km (0.051 R)
• M18: 22,952,502 km (0.1 R)
• M19: 25,732,928 km (0.12 R)
• M20: 29,824,879 km (0.058 R)
• M21: 44,480,084 km (0.106 R)
• M22: 49,159,955 km (0.097 R)
• M23: 58,174,722 km (0.119 R)
• M24: 60,811,534 km (0.117 R)
• M25: 61,483,079 km (0.071 R)
• M26: 68,230,841 km (0.063 R)
• M27: 82,625,298 km (0.117 R)
• M28: 88,505,990 km (0.039 R)
• M29: 90,817,576 km (0.059 R)
• M30: 103,935,514 km (0.087 R)
• M31: 107,483,078 km (0.118 R)

Kuiper Belt

Range: 30.8 - 54.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 13,537 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit