🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.96 AU - 1.06 AU

Year: 360 Days

Day: 21.7 Hours

Environment

Temp: 138 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.42 AU - 2.18 AU

Year: 857 Days

Day: 13.4 Hours

Environment

Temp: -49 °C

Axial Tilt: 44.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.65 AU - 2.45 AU

Year: 1041 Days

Day: 38.3 Hours

Environment

Temp: -51 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.3 AU - 5.18 AU

Year: 3661 Days

Day: 34.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,608,219 km

• M1: 32,463 km (0.078 R)

Asteroid Belt

Center: 6.78 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.2

Radius: 8.9

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.37 AU - 10.27 AU

Year: 9293 Days

Day: 15 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,608,219 km

• M1: 110,702 km (0.058 R)
• M2: 750,682 km (0.116 R)
• M3: 2,126,384 km (0.117 R)
• M4: 2,607,640 km (0.118 R)
• M5: 4,497,361 km (0.088 R)
• M6: 5,108,019 km (0.105 R)
• M7: 5,481,116 km (0.091 R)
• M8: 6,317,069 km (0.052 R)
• M9: 6,821,065 km (0.095 R)
• M10: 8,198,711 km (0.1 R)
• M11: 9,473,584 km (0.098 R)
• M12: 13,144,866 km (0.104 R)
• M13: 18,307,638 km (0.085 R)
• M14: 21,494,372 km (0.111 R)
• M15: 23,984,877 km (0.094 R)
• M16: 24,330,897 km (0.048 R)
• M17: 26,846,834 km (0.044 R)
• M18: 30,938,485 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.6

Radius: 6.3

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 13.63 AU - 19.09 AU

Year: 23475 Days

Day: 16 Hours

Environment

Temp: -182 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,608,219 km

• M1: 90,956 km (0.072 R)
• M2: 286,929 km (0.119 R)
• M3: 607,218 km (0.109 R)
• M4: 1,174,642 km (0.064 R)
• M5: 2,177,696 km (0.082 R)
• M6: 2,715,201 km (0.087 R)
• M7: 5,710,151 km (0.096 R)
• M8: 7,896,224 km (0.104 R)
• M9: 11,178,102 km (0.108 R)
• M10: 13,033,415 km (0.117 R)
• M11: 14,418,243 km (0.061 R)
• M12: 15,331,987 km (0.048 R)
• M13: 17,073,156 km (0.082 R)
• M14: 23,491,802 km (0.102 R)
• M15: 23,824,209 km (0.085 R)
• M16: 24,583,867 km (0.117 R)
• M17: 30,852,766 km (0.114 R)
• M18: 31,051,880 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.4

Radius: 3.2

Gravity: 32.85 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 16.67 AU - 16.91 AU

Year: 24407 Days

Day: 16.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,608,219 km

• M1: 49,367 km (0.106 R)
• M2: 208,390 km (0.109 R)
• M3: 341,981 km (0.04 R)
• M4: 524,789 km (0.048 R)
• M5: 2,479,734 km (0.071 R)
• M6: 4,326,819 km (0.044 R)
• M7: 4,727,442 km (0.1 R)
• M8: 9,074,906 km (0.101 R)
• M9: 10,531,391 km (0.086 R)
• M10: 14,254,732 km (0.051 R)
• M11: 14,399,244 km (0.093 R)
• M12: 14,544,803 km (0.049 R)
• M13: 21,773,372 km (0.094 R)
• M14: 24,769,518 km (0.082 R)
• M15: 25,399,923 km (0.077 R)
• M16: 32,055,533 km (0.1 R)
• M17: 35,647,677 km (0.07 R)
• M18: 45,156,416 km (0.054 R)
• M19: 47,049,129 km (0.097 R)
• M20: 49,654,226 km (0.115 R)
• M21: 50,153,135 km (0.096 R)
• M22: 52,182,131 km (0.03 R)
• M23: 58,596,588 km (0.111 R)
• M24: 61,226,519 km (0.068 R)
• M25: 68,143,476 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.4

Radius: 7.7

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 12.68 AU - 20.9 AU

Year: 24407 Days

Day: 23.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,608,219 km

• M1: 95,743 km (0.111 R)
• M2: 541,245 km (0.085 R)
• M3: 899,532 km (0.116 R)
• M4: 1,733,839 km (0.071 R)
• M5: 2,483,325 km (0.053 R)
• M6: 2,760,230 km (0.106 R)
• M7: 5,431,899 km (0.089 R)
• M8: 6,440,039 km (0.069 R)
• M9: 13,620,138 km (0.112 R)
• M10: 19,107,238 km (0.106 R)
• M11: 20,936,970 km (0.108 R)
• M12: 24,835,341 km (0.087 R)
• M13: 29,904,465 km (0.102 R)
• M14: 32,363,405 km (0.074 R)
• M15: 36,027,954 km (0.061 R)
• M16: 43,396,248 km (0.118 R)
• M17: 53,985,533 km (0.095 R)
• M18: 57,989,221 km (0.087 R)
• M19: 58,926,003 km (0.104 R)
• M20: 60,829,785 km (0.092 R)

Kuiper Belt

Range: 30.9 - 59.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 11,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit