🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.53 AU - 0.57 AU

Year: 149 Days

Day: 13.1 Hours

Environment

Temp: 234 °C

Axial Tilt: 31.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 80,882,597 km

• M1: 73,453 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.61 AU - 0.87 AU

Year: 233 Days

Day: 43.5 Hours

Environment

Temp: 133 °C

Axial Tilt: 120.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.69 AU - 0.87 AU

Year: 252 Days

Day: 47.7 Hours

Environment

Temp: 130 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.07 AU - 1.29 AU

Year: 468 Days

Day: 46.3 Hours

Environment

Temp: 8 °C

Axial Tilt: 46.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.45 AU - 2.99 AU

Year: 1638 Days

Day: 45.6 Hours

Environment

Temp: -94 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.8

Radius: 14.8

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.58 AU - 7.46 AU

Year: 6081 Days

Day: 9 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,882,597 km

• M1: 184,753 km (0.095 R)
• M2: 727,494 km (0.111 R)
• M3: 2,249,204 km (0.064 R)
• M4: 3,766,575 km (0.106 R)
• M5: 4,376,037 km (0.077 R)
• M6: 5,281,254 km (0.107 R)
• M7: 6,242,420 km (0.101 R)
• M8: 6,993,252 km (0.033 R)
• M9: 8,035,350 km (0.116 R)
• M10: 12,042,479 km (0.039 R)
• M11: 14,622,593 km (0.049 R)
• M12: 15,579,571 km (0.109 R)
• M13: 18,087,280 km (0.05 R)
• M14: 18,564,348 km (0.114 R)
• M15: 20,191,524 km (0.055 R)
• M16: 21,682,117 km (0.101 R)
• M17: 22,532,730 km (0.085 R)
• M18: 23,165,081 km (0.055 R)
• M19: 25,133,938 km (0.114 R)
• M20: 28,751,813 km (0.068 R)
• M21: 31,905,635 km (0.079 R)
• M22: 33,925,506 km (0.047 R)
• M23: 35,177,640 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928

Radius: 13.3

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.85 AU - 10.19 AU

Year: 9895 Days

Day: 6.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,882,597 km

• M1: 165,605 km (0.104 R)
• M2: 611,107 km (0.105 R)
• M3: 1,025,643 km (0.108 R)
• M4: 1,684,472 km (0.116 R)
• M5: 2,514,142 km (0.084 R)
• M6: 4,167,198 km (0.077 R)
• M7: 4,822,886 km (0.097 R)
• M8: 5,409,908 km (0.102 R)
• M9: 5,827,435 km (0.038 R)
• M10: 6,727,865 km (0.099 R)
• M11: 7,981,346 km (0.106 R)
• M12: 9,534,022 km (0.111 R)
• M13: 10,729,758 km (0.043 R)
• M14: 14,122,189 km (0.112 R)
• M15: 15,053,884 km (0.071 R)
• M16: 15,955,211 km (0.046 R)
• M17: 16,527,573 km (0.037 R)
• M18: 17,942,170 km (0.115 R)
• M19: 21,267,282 km (0.09 R)
• M20: 22,402,281 km (0.072 R)
• M21: 22,939,487 km (0.085 R)
• M22: 27,450,162 km (0.12 R)
• M23: 35,942,235 km (0.11 R)
• M24: 40,779,931 km (0.06 R)
• M25: 41,447,137 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.4

Radius: 4.4

Gravity: 39.07 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 12.4 AU - 17.26 AU

Year: 20859 Days

Day: 23.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,882,597 km

• M1: 59,091 km (0.065 R)
• M2: 301,141 km (0.091 R)
• M3: 682,166 km (0.065 R)
• M4: 1,257,968 km (0.114 R)
• M5: 1,681,330 km (0.117 R)
• M6: 1,848,132 km (0.077 R)
• M7: 3,825,816 km (0.045 R)
• M8: 4,249,328 km (0.117 R)
• M9: 5,036,063 km (0.093 R)
• M10: 8,077,088 km (0.09 R)
• M11: 10,464,371 km (0.1 R)
• M12: 12,571,307 km (0.117 R)
• M13: 14,944,827 km (0.066 R)
• M14: 22,872,467 km (0.079 R)
• M15: 29,848,066 km (0.113 R)
• M16: 31,498,131 km (0.107 R)
• M17: 49,693,121 km (0.109 R)
• M18: 59,965,708 km (0.11 R)
• M19: 67,189,041 km (0.104 R)
• M20: 78,007,510 km (0.09 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 15,341 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit