🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.62 AU - 0.72 AU

Year: 210 Days

Day: 19.2 Hours

Environment

Temp: 109 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.59 AU - 0.97 AU

Year: 264 Days

Day: 38.3 Hours

Environment

Temp: 96 °C

Axial Tilt: 22.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 82,985,130 km

• M1: 199,863 km (0.113 R)
• M2: 216,917 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.75 AU - 1.05 AU

Year: 327 Days

Day: 32.6 Hours

Environment

Temp: 17 °C

Axial Tilt: 25.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 82,985,130 km

• M1: 138,079 km (0.071 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.96 AU - 0.96 AU

Year: 360 Days

Day: 14.4 Hours

Environment

Temp: 0 °C

Axial Tilt: 46.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 82,985,130 km

• M1: 25,132 km (0.096 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.9 AU - 1.06 AU

Year: 371 Days

Day: 43.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 13.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.4 AU - 1.74 AU

Year: 753 Days

Day: 26.6 Hours

Environment

Temp: -55 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.81 AU - 2.43 AU

Year: 1182 Days

Day: 20.9 Hours

Environment

Temp: -88 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,985,130 km

• M1: 39,344 km (0.096 R)

Asteroid Belt

Center: 4.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572

Radius: 14.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.94 AU - 8.42 AU

Year: 8149 Days

Day: 5.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,985,130 km

• M1: 177,872 km (0.086 R)
• M2: 661,073 km (0.067 R)
• M3: 1,114,355 km (0.109 R)
• M4: 1,678,189 km (0.111 R)
• M5: 2,228,709 km (0.093 R)
• M6: 2,899,506 km (0.106 R)
• M7: 3,919,464 km (0.065 R)
• M8: 5,948,311 km (0.113 R)
• M9: 6,593,975 km (0.076 R)
• M10: 7,945,891 km (0.111 R)
• M11: 8,859,036 km (0.074 R)
• M12: 10,215,440 km (0.102 R)
• M13: 12,180,857 km (0.043 R)
• M14: 13,509,286 km (0.086 R)
• M15: 14,507,254 km (0.066 R)
• M16: 16,192,623 km (0.053 R)
• M17: 18,075,013 km (0.049 R)
• M18: 23,165,081 km (0.097 R)
• M19: 24,766,376 km (0.109 R)
• M20: 29,428,295 km (0.045 R)
• M21: 32,221,736 km (0.097 R)
• M22: 33,576,943 km (0.042 R)
• M23: 34,322,389 km (0.114 R)
• M24: 39,028,289 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550.7

Radius: 5.1

Gravity: 21.17 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 15.5 AU - 17.28 AU

Year: 25406 Days

Day: 16.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,985,130 km

• M1: 63,579 km (0.092 R)
• M2: 305,928 km (0.101 R)
• M3: 958,474 km (0.118 R)
• M4: 1,769,144 km (0.116 R)
• M5: 1,942,828 km (0.042 R)
• M6: 2,106,787 km (0.057 R)
• M7: 2,324,751 km (0.089 R)
• M8: 2,655,213 km (0.079 R)
• M9: 4,095,691 km (0.115 R)
• M10: 4,263,689 km (0.079 R)
• M11: 4,649,502 km (0.104 R)
• M12: 4,906,960 km (0.063 R)
• M13: 5,096,650 km (0.106 R)
• M14: 5,862,441 km (0.04 R)
• M15: 8,187,491 km (0.055 R)
• M16: 11,258,287 km (0.106 R)
• M17: 16,242,439 km (0.095 R)
• M18: 16,749,726 km (0.078 R)
• M19: 18,335,164 km (0.113 R)
• M20: 20,600,973 km (0.114 R)
• M21: 22,941,133 km (0.084 R)
• M22: 26,599,549 km (0.112 R)
• M23: 32,454,061 km (0.064 R)
• M24: 34,489,340 km (0.118 R)
• M25: 38,067,572 km (0.12 R)
• M26: 57,540,876 km (0.105 R)
• M27: 58,717,912 km (0.046 R)
• M28: 59,113,748 km (0.057 R)
• M29: 68,936,793 km (0.075 R)
• M30: 74,579,475 km (0.12 R)
• M31: 80,278,705 km (0.043 R)
• M32: 81,255,879 km (0.101 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 17,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit