🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.49 AU - 0.51 AU

Year: 135 Days

Day: 42.4 Hours

Environment

Temp: 208 °C

Axial Tilt: 26.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.5 AU - 0.56 AU

Year: 148 Days

Day: 12.4 Hours

Environment

Temp: 204 °C

Axial Tilt: 28.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,436,211 km

• M1: 242,947 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.61 AU - 0.69 AU

Year: 201 Days

Day: 40.3 Hours

Environment

Temp: 117 °C

Axial Tilt: 20.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,436,211 km

• M1: 538,104 km (0.061 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.84 AU - 1.06 AU

Year: 355 Days

Day: 30.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 16.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.65 AU - 2.67 AU

Year: 1215 Days

Day: 13.5 Hours

Environment

Temp: -93 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.3

Radius: 13

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.41 AU - 5.43 AU

Year: 3558 Days

Day: 11.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,436,211 km

• M1: 161,715 km (0.112 R)
• M2: 582,085 km (0.114 R)
• M3: 1,228,498 km (0.093 R)
• M4: 2,015,981 km (0.092 R)
• M5: 2,469,262 km (0.107 R)
• M6: 3,212,165 km (0.075 R)
• M7: 3,688,784 km (0.103 R)
• M8: 4,235,565 km (0.108 R)
• M9: 6,730,259 km (0.103 R)
• M10: 8,038,193 km (0.082 R)
• M11: 9,469,396 km (0.075 R)
• M12: 10,162,183 km (0.042 R)
• M13: 10,757,732 km (0.113 R)
• M14: 14,249,347 km (0.092 R)
• M15: 16,165,396 km (0.047 R)
• M16: 17,155,734 km (0.108 R)
• M17: 18,186,015 km (0.071 R)
• M18: 23,448,569 km (0.117 R)
• M19: 25,562,087 km (0.037 R)
• M20: 26,031,077 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.9

Radius: 8.9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.69 AU - 5.09 AU

Year: 4140 Days

Day: 10.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,436,211 km

• M1: 110,702 km (0.107 R)
• M2: 401,072 km (0.059 R)
• M3: 903,422 km (0.095 R)
• M4: 1,188,405 km (0.084 R)
• M5: 1,825,992 km (0.086 R)
• M6: 3,260,186 km (0.119 R)
• M7: 4,798,651 km (0.087 R)
• M8: 6,595,770 km (0.054 R)
• M9: 8,251,819 km (0.065 R)
• M10: 8,872,500 km (0.099 R)
• M11: 12,144,206 km (0.106 R)
• M12: 12,675,577 km (0.05 R)
• M13: 14,168,863 km (0.088 R)
• M14: 15,775,843 km (0.059 R)
• M15: 18,992,497 km (0.12 R)
• M16: 20,629,098 km (0.105 R)
• M17: 21,195,026 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.6

Radius: 4.6

Gravity: 16.81 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 10.74 AU - 16.88 AU

Year: 19650 Days

Day: 16 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,436,211 km

• M1: 57,146 km (0.115 R)
• M2: 241,301 km (0.089 R)
• M3: 439,519 km (0.098 R)
• M4: 640,728 km (0.091 R)
• M5: 2,072,978 km (0.119 R)
• M6: 2,266,707 km (0.119 R)
• M7: 3,140,508 km (0.106 R)
• M8: 4,498,707 km (0.103 R)
• M9: 5,165,614 km (0.099 R)
• M10: 5,450,000 km (0.083 R)
• M11: 7,204,334 km (0.109 R)
• M12: 8,944,905 km (0.082 R)
• M13: 9,251,282 km (0.111 R)
• M14: 10,435,199 km (0.105 R)
• M15: 11,476,101 km (0.077 R)
• M16: 12,145,253 km (0.106 R)
• M17: 14,033,477 km (0.098 R)
• M18: 14,727,462 km (0.074 R)
• M19: 15,517,189 km (0.097 R)
• M20: 18,216,982 km (0.062 R)
• M21: 18,709,308 km (0.066 R)
• M22: 20,152,030 km (0.092 R)
• M23: 30,395,295 km (0.117 R)
• M24: 32,145,142 km (0.117 R)
• M25: 38,864,928 km (0.099 R)
• M26: 43,199,078 km (0.104 R)
• M27: 47,073,663 km (0.119 R)
• M28: 48,154,956 km (0.095 R)
• M29: 49,569,554 km (0.06 R)
• M30: 50,849,962 km (0.114 R)
• M31: 53,143,447 km (0.096 R)
• M32: 59,714,533 km (0.118 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: 428 - 17,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit