🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.72 AU - 1.04 AU

Year: 290 Days

Day: 13.8 Hours

Environment

Temp: 105 °C

Axial Tilt: 3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.17 AU - 1.59 AU

Year: 570 Days

Day: 40.8 Hours

Environment

Temp: 4 °C

Axial Tilt: 1.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.55 AU - 1.91 AU

Year: 800 Days

Day: 43.8 Hours

Environment

Temp: -33 °C

Axial Tilt: 44.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.73 AU - 2.77 AU

Year: 1186 Days

Day: 44.9 Hours

Environment

Temp: -65 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,369,711 km

• M1: 960,718 km (0.119 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.74 AU - 2.86 AU

Year: 1226 Days

Day: 44.5 Hours

Environment

Temp: -64 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,369,711 km

• M1: 22,140 km (0.062 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.39 AU - 2.93 AU

Year: 1525 Days

Day: 25 Hours

Environment

Temp: -82 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.6

Radius: 9.7

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.51 AU - 6.33 AU

Year: 5062 Days

Day: 12.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,369,711 km

• M1: 123,717 km (0.1 R)
• M2: 444,904 km (0.053 R)
• M3: 778,059 km (0.115 R)
• M4: 1,183,768 km (0.105 R)
• M5: 1,800,710 km (0.118 R)
• M6: 2,121,298 km (0.111 R)
• M7: 2,619,459 km (0.069 R)
• M8: 3,122,257 km (0.114 R)
• M9: 3,954,470 km (0.119 R)
• M10: 4,711,735 km (0.085 R)
• M11: 5,509,989 km (0.055 R)
• M12: 8,033,705 km (0.078 R)
• M13: 9,170,948 km (0.053 R)
• M14: 9,547,486 km (0.104 R)
• M15: 9,973,540 km (0.08 R)
• M16: 10,657,053 km (0.058 R)
• M17: 12,755,762 km (0.099 R)
• M18: 13,368,515 km (0.047 R)
• M19: 13,755,375 km (0.075 R)
• M20: 14,652,962 km (0.098 R)
• M21: 18,221,170 km (0.087 R)
• M22: 19,673,317 km (0.09 R)
• M23: 21,661,472 km (0.068 R)
• M24: 22,601,695 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.1

Radius: 8.6

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.59 AU - 7.71 AU

Year: 6027 Days

Day: 11.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,369,711 km

• M1: 106,962 km (0.078 R)
• M2: 388,506 km (0.114 R)
• M3: 744,100 km (0.106 R)
• M4: 1,600,847 km (0.053 R)
• M5: 2,083,450 km (0.065 R)
• M6: 3,219,047 km (0.098 R)
• M7: 4,201,307 km (0.099 R)
• M8: 6,679,096 km (0.072 R)
• M9: 7,320,123 km (0.119 R)
• M10: 10,432,507 km (0.119 R)
• M11: 11,388,437 km (0.071 R)
• M12: 13,369,263 km (0.074 R)
• M13: 16,036,742 km (0.061 R)
• M14: 16,573,649 km (0.079 R)
• M15: 21,096,142 km (0.084 R)
• M16: 25,402,915 km (0.058 R)
• M17: 26,709,653 km (0.104 R)
• M18: 29,015,554 km (0.08 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.1

Radius: 14.1

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.91 AU - 8.35 AU

Year: 7407 Days

Day: 10.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,369,711 km

• M1: 178,620 km (0.09 R)
• M2: 947,852 km (0.11 R)
• M3: 1,590,824 km (0.086 R)
• M4: 2,082,253 km (0.09 R)
• M5: 3,821,029 km (0.082 R)
• M6: 4,389,950 km (0.087 R)
• M7: 6,535,333 km (0.098 R)
• M8: 7,617,972 km (0.093 R)
• M9: 8,202,601 km (0.078 R)
• M10: 9,936,141 km (0.11 R)
• M11: 11,278,782 km (0.092 R)
• M12: 12,316,243 km (0.093 R)
• M13: 14,015,974 km (0.11 R)
• M14: 16,200,402 km (0.034 R)
• M15: 22,119,242 km (0.088 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 19,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit