🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.14 AU - 1.68 AU

Year: 597 Days

Day: 33.9 Hours

Environment

Temp: -9 °C

Axial Tilt: 17.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.52 AU - 2.28 AU

Year: 934 Days

Day: 13.8 Hours

Environment

Temp: -58 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.49 AU - 3.09 AU

Year: 1661 Days

Day: 22.6 Hours

Environment

Temp: -80 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.56 AU - 3.94 AU

Year: 2088 Days

Day: 41.3 Hours

Environment

Temp: -97 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.7

Radius: 12.1

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.2 AU - 12.96 AU

Year: 12267 Days

Day: 6.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,650,801 km

• M1: 163,062 km (0.088 R)
• M2: 700,866 km (0.081 R)
• M3: 1,123,779 km (0.107 R)
• M4: 1,557,763 km (0.074 R)
• M5: 2,365,591 km (0.069 R)
• M6: 3,117,620 km (0.103 R)
• M7: 3,511,660 km (0.071 R)
• M8: 4,803,588 km (0.093 R)
• M9: 5,264,199 km (0.072 R)
• M10: 5,646,721 km (0.081 R)
• M11: 6,313,030 km (0.029 R)
• M12: 6,785,909 km (0.092 R)
• M13: 8,725,745 km (0.086 R)
• M14: 12,352,595 km (0.091 R)
• M15: 13,735,029 km (0.087 R)
• M16: 15,569,698 km (0.1 R)
• M17: 16,435,570 km (0.086 R)
• M18: 20,819,536 km (0.102 R)
• M19: 22,864,239 km (0.114 R)
• M20: 26,632,011 km (0.085 R)
• M21: 27,143,337 km (0.043 R)
• M22: 27,765,365 km (0.075 R)
• M23: 32,738,297 km (0.115 R)
• M24: 34,640,883 km (0.1 R)
• M25: 36,994,506 km (0.096 R)
• M26: 38,534,766 km (0.065 R)
• M27: 40,251,252 km (0.073 R)
• M28: 41,060,427 km (0.103 R)
• M29: 50,534,759 km (0.102 R)
• M30: 51,161,275 km (0.07 R)
• M31: 51,951,750 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.2

Radius: 6.6

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 15.58 AU - 17.72 AU

Year: 24217 Days

Day: 16.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,650,801 km

• M1: 85,271 km (0.111 R)
• M2: 316,100 km (0.103 R)
• M3: 1,099,245 km (0.071 R)
• M4: 2,006,706 km (0.047 R)
• M5: 3,593,191 km (0.106 R)
• M6: 4,000,995 km (0.054 R)
• M7: 4,530,721 km (0.063 R)
• M8: 4,812,713 km (0.108 R)
• M9: 5,729,150 km (0.081 R)
• M10: 6,878,510 km (0.102 R)
• M11: 7,293,644 km (0.074 R)
• M12: 7,637,570 km (0.118 R)
• M13: 9,726,854 km (0.09 R)
• M14: 11,639,612 km (0.119 R)
• M15: 13,150,700 km (0.088 R)
• M16: 14,517,277 km (0.082 R)
• M17: 16,556,445 km (0.092 R)
• M18: 16,777,700 km (0.069 R)
• M19: 18,303,898 km (0.104 R)
• M20: 19,100,656 km (0.079 R)
• M21: 22,974,044 km (0.115 R)
• M22: 24,852,096 km (0.105 R)
• M23: 25,434,929 km (0.093 R)
• M24: 28,380,960 km (0.112 R)
• M25: 39,219,625 km (0.077 R)
• M26: 40,009,352 km (0.101 R)
• M27: 41,349,001 km (0.086 R)
• M28: 41,620,521 km (0.115 R)
• M29: 53,001,179 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.2

Radius: 3.7

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 15.69 AU - 25.01 AU

Year: 32722 Days

Day: 24.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,650,801 km

• M1: 49,816 km (0.069 R)
• M2: 232,176 km (0.114 R)
• M3: 349,461 km (0.063 R)
• M4: 500,854 km (0.101 R)
• M5: 1,052,421 km (0.084 R)
• M6: 3,549,209 km (0.055 R)
• M7: 5,602,889 km (0.069 R)
• M8: 6,208,611 km (0.028 R)
• M9: 6,406,529 km (0.12 R)
• M10: 6,731,904 km (0.106 R)
• M11: 10,560,114 km (0.077 R)
• M12: 11,071,439 km (0.095 R)
• M13: 13,088,168 km (0.062 R)
• M14: 13,878,494 km (0.09 R)
• M15: 17,436,529 km (0.088 R)
• M16: 19,048,147 km (0.119 R)
• M17: 20,581,226 km (0.091 R)
• M18: 25,873,849 km (0.066 R)
• M19: 26,283,149 km (0.087 R)
• M20: 28,503,780 km (0.116 R)
• M21: 39,306,691 km (0.034 R)
• M22: 40,393,370 km (0.099 R)
• M23: 45,829,756 km (0.034 R)
• M24: 46,278,700 km (0.09 R)
• M25: 46,579,541 km (0.093 R)
• M26: 49,189,725 km (0.116 R)
• M27: 51,250,286 km (0.082 R)
• M28: 51,411,253 km (0.104 R)
• M29: 52,220,578 km (0.116 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 10,927 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit