🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.52 AU - 0.76 AU

Year: 179 Days

Day: 24.2 Hours

Environment

Temp: 178 °C

Axial Tilt: 119.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.51 AU - 0.77 AU

Year: 179 Days

Day: 14.7 Hours

Environment

Temp: 172 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.63 AU - 0.77 AU

Year: 205 Days

Day: 45 Hours

Environment

Temp: 198 °C

Axial Tilt: 3.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.62 AU - 0.92 AU

Year: 236 Days

Day: 22 Hours

Environment

Temp: 200 °C

Axial Tilt: 28.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.94 AU - 1.2 AU

Year: 387 Days

Day: 41.5 Hours

Environment

Temp: 72 °C

Axial Tilt: 39.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.8 AU - 2.14 AU

Year: 967 Days

Day: 20.8 Hours

Environment

Temp: -53 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.54 AU - 2.44 AU

Year: 982 Days

Day: 33.5 Hours

Environment

Temp: -59 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.91 AU - 4.85 AU

Year: 2674 Days

Day: 38.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.9

Radius: 8.4

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 11.49 AU - 13.67 AU

Year: 15610 Days

Day: 8.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,343,484 km

• M1: 104,569 km (0.117 R)
• M2: 370,105 km (0.086 R)
• M3: 703,110 km (0.056 R)
• M4: 1,012,179 km (0.1 R)
• M5: 1,330,075 km (0.111 R)
• M6: 1,698,534 km (0.119 R)
• M7: 2,493,049 km (0.034 R)
• M8: 3,131,083 km (0.119 R)
• M9: 4,017,900 km (0.106 R)
• M10: 5,704,316 km (0.114 R)
• M11: 6,006,205 km (0.054 R)
• M12: 6,724,873 km (0.095 R)
• M13: 8,048,365 km (0.12 R)
• M14: 9,695,737 km (0.116 R)
• M15: 10,402,587 km (0.106 R)
• M16: 10,911,669 km (0.09 R)
• M17: 13,116,143 km (0.079 R)
• M18: 14,322,650 km (0.104 R)
• M19: 17,344,377 km (0.101 R)
• M20: 21,847,423 km (0.067 R)
• M21: 23,538,477 km (0.077 R)
• M22: 24,317,433 km (0.12 R)
• M23: 24,713,269 km (0.069 R)
• M24: 27,073,325 km (0.077 R)
• M25: 29,804,683 km (0.112 R)
• M26: 35,681,037 km (0.063 R)
• M27: 46,100,080 km (0.114 R)
• M28: 47,011,879 km (0.052 R)
• M29: 48,871,380 km (0.111 R)
• M30: 53,067,750 km (0.09 R)
• M31: 59,623,578 km (0.083 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 20,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit