🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.46 AU - 0.56 AU

Year: 139 Days

Day: 21.8 Hours

Environment

Temp: 184 °C

Axial Tilt: 22.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.65 AU - 0.79 AU

Year: 234 Days

Day: 44.7 Hours

Environment

Temp: 83 °C

Axial Tilt: 34.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.86 AU - 0.98 AU

Year: 338 Days

Day: 38.9 Hours

Environment

Temp: 17 °C

Axial Tilt: 67.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.76 AU - 1.2 AU

Year: 371 Days

Day: 16.6 Hours

Environment

Temp: 3 °C

Axial Tilt: 175.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.16 AU - 1.36 AU

Year: 542 Days

Day: 40.3 Hours

Environment

Temp: -37 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.25 AU - 1.53 AU

Year: 627 Days

Day: 12.9 Hours

Environment

Temp: -44 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.04 AU - 2.26 AU

Year: 1207 Days

Day: 38.5 Hours

Environment

Temp: -90 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.13 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.2

Radius: 8.4

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.88 AU - 4.34 AU

Year: 3190 Days

Day: 14.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,983,196 km

• M1: 104,419 km (0.037 R)
• M2: 590,164 km (0.088 R)
• M3: 991,385 km (0.092 R)
• M4: 1,255,874 km (0.086 R)
• M5: 1,830,330 km (0.119 R)
• M6: 2,459,838 km (0.096 R)
• M7: 3,134,075 km (0.116 R)
• M8: 5,408,412 km (0.088 R)
• M9: 6,245,861 km (0.117 R)
• M10: 6,881,801 km (0.097 R)
• M11: 8,353,396 km (0.074 R)
• M12: 10,432,507 km (0.097 R)
• M13: 15,313,586 km (0.107 R)
• M14: 20,276,495 km (0.066 R)
• M15: 23,977,397 km (0.114 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.7

Radius: 10.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 8.31 AU - 12.87 AU

Year: 13195 Days

Day: 7.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,983,196 km

• M1: 131,048 km (0.038 R)
• M2: 503,995 km (0.086 R)
• M3: 917,783 km (0.094 R)
• M4: 1,481,617 km (0.108 R)
• M5: 1,858,604 km (0.072 R)
• M6: 2,247,708 km (0.08 R)
• M7: 3,372,834 km (0.103 R)
• M8: 3,804,723 km (0.089 R)
• M9: 4,166,002 km (0.117 R)
• M10: 4,550,169 km (0.119 R)
• M11: 5,233,083 km (0.036 R)
• M12: 5,780,611 km (0.1 R)
• M13: 7,220,341 km (0.11 R)
• M14: 8,233,867 km (0.118 R)
• M15: 9,110,810 km (0.102 R)
• M16: 10,048,938 km (0.099 R)
• M17: 12,282,434 km (0.059 R)
• M18: 12,618,431 km (0.059 R)
• M19: 13,018,156 km (0.078 R)
• M20: 13,783,050 km (0.089 R)
• M21: 14,207,160 km (0.037 R)
• M22: 14,954,551 km (0.118 R)
• M23: 17,214,676 km (0.094 R)
• M24: 17,920,628 km (0.108 R)
• M25: 19,314,880 km (0.113 R)
• M26: 21,258,007 km (0.099 R)
• M27: 23,327,993 km (0.09 R)
• M28: 29,934,534 km (0.113 R)
• M29: 31,578,465 km (0.106 R)
• M30: 33,936,277 km (0.058 R)
• M31: 42,983,208 km (0.069 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: 211 - 17,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit