🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.5 AU - 0.68 AU

Year: 174 Days

Day: 18.5 Hours

Environment

Temp: 167 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.71 AU - 0.93 AU

Year: 284 Days

Day: 31.4 Hours

Environment

Temp: 28 °C

Axial Tilt: 1.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.9 AU - 1.06 AU

Year: 371 Days

Day: 34.7 Hours

Environment

Temp: 16 °C

Axial Tilt: 14.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.02 AU - 1.16 AU

Year: 436 Days

Day: 29.6 Hours

Environment

Temp: -1 °C

Axial Tilt: 88.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.9 AU - 1.42 AU

Year: 478 Days

Day: 41.2 Hours

Environment

Temp: -12 °C

Axial Tilt: 7.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 27,860,223 km

• M1: 27,676 km (0.113 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.12 AU - 1.68 AU

Year: 634 Days

Day: 27.2 Hours

Environment

Temp: -40 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,860,223 km

• M1: 119,828 km (0.105 R)
• M2: 613,950 km (0.108 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.61 AU - 1.79 AU

Year: 849 Days

Day: 22.9 Hours

Environment

Temp: -69 °C

Axial Tilt: 86.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,860,223 km

• M1: 106,813 km (0.067 R)

Planet 8 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.09 AU - 2.47 AU

Year: 1318 Days

Day: 47.8 Hours

Environment

Temp: -104 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.1

Radius: 14.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.99 AU - 9.59 AU

Year: 9978 Days

Day: 13.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 27,860,223 km

• M1: 185,352 km (0.106 R)
• M2: 856,448 km (0.096 R)
• M3: 2,216,143 km (0.069 R)
• M4: 3,143,051 km (0.109 R)
• M5: 3,606,805 km (0.063 R)
• M6: 4,229,880 km (0.057 R)
• M7: 4,767,235 km (0.089 R)
• M8: 5,383,878 km (0.108 R)
• M9: 6,738,636 km (0.055 R)
• M10: 8,084,867 km (0.081 R)
• M11: 9,960,226 km (0.097 R)
• M12: 11,475,503 km (0.114 R)
• M13: 12,407,797 km (0.046 R)
• M14: 18,699,135 km (0.101 R)
• M15: 19,499,334 km (0.102 R)
• M16: 20,573,597 km (0.054 R)
• M17: 21,254,117 km (0.106 R)
• M18: 22,037,562 km (0.027 R)
• M19: 23,386,037 km (0.114 R)
• M20: 24,221,242 km (0.085 R)
• M21: 27,454,650 km (0.101 R)
• M22: 29,980,012 km (0.091 R)
• M23: 36,221,833 km (0.092 R)
• M24: 39,515,230 km (0.051 R)
• M25: 40,434,958 km (0.081 R)
• M26: 43,279,861 km (0.097 R)
• M27: 50,740,157 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.7

Radius: 4.7

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 10.16 AU - 13.46 AU

Year: 15540 Days

Day: 15.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 27,860,223 km

• M1: 91,554 km (0.077 R)
• M2: 280,795 km (0.12 R)
• M3: 552,764 km (0.108 R)
• M4: 794,215 km (0.037 R)
• M5: 1,030,580 km (0.071 R)
• M6: 1,524,552 km (0.077 R)
• M7: 2,835,777 km (0.089 R)
• M8: 3,113,880 km (0.112 R)
• M9: 3,309,254 km (0.103 R)
• M10: 4,127,555 km (0.093 R)
• M11: 4,558,995 km (0.084 R)
• M12: 5,019,757 km (0.116 R)
• M13: 6,307,046 km (0.067 R)
• M14: 6,846,047 km (0.115 R)
• M15: 9,717,578 km (0.044 R)
• M16: 10,392,265 km (0.052 R)
• M17: 11,415,963 km (0.115 R)
• M18: 14,453,697 km (0.12 R)
• M19: 15,387,487 km (0.087 R)
• M20: 18,940,138 km (0.084 R)
• M21: 19,856,724 km (0.119 R)
• M22: 21,286,580 km (0.049 R)
• M23: 22,783,606 km (0.098 R)
• M24: 24,273,302 km (0.085 R)
• M25: 25,510,925 km (0.095 R)
• M26: 26,871,368 km (0.092 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 11,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit