🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.53 AU - 0.77 AU

Year: 227 Days

Day: 37.1 Hours

Environment

Temp: 17 °C

Axial Tilt: 12.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.54 AU - 0.82 AU

Year: 243 Days

Day: 46.3 Hours

Environment

Temp: 2 °C

Axial Tilt: 48.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.41 AU - 2.33 AU

Year: 1108 Days

Day: 18.2 Hours

Environment

Temp: -122 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.3

Radius: 12

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.71 AU - 6.55 AU

Year: 5791 Days

Day: 12.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,613,983 km

• M1: 151,991 km (0.075 R)
• M2: 598,691 km (0.115 R)
• M3: 1,104,331 km (0.115 R)
• M4: 2,061,010 km (0.092 R)
• M5: 4,880,780 km (0.08 R)
• M6: 5,515,823 km (0.103 R)
• M7: 6,676,403 km (0.082 R)
• M8: 11,135,318 km (0.101 R)
• M9: 13,218,617 km (0.083 R)
• M10: 14,352,270 km (0.117 R)
• M11: 22,212,441 km (0.115 R)
• M12: 22,691,603 km (0.073 R)
• M13: 23,955,406 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.7

Radius: 6.2

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.2 AU - 12.44 AU

Year: 14371 Days

Day: 20.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,613,983 km

• M1: 77,043 km (0.117 R)
• M2: 368,609 km (0.1 R)
• M3: 756,816 km (0.052 R)
• M4: 971,489 km (0.054 R)
• M5: 1,391,410 km (0.115 R)
• M6: 1,658,292 km (0.078 R)
• M7: 2,096,165 km (0.117 R)
• M8: 2,628,734 km (0.111 R)
• M9: 4,925,659 km (0.103 R)
• M10: 5,413,498 km (0.107 R)
• M11: 7,564,267 km (0.055 R)
• M12: 10,804,108 km (0.107 R)
• M13: 11,292,545 km (0.049 R)
• M14: 12,548,120 km (0.1 R)
• M15: 12,906,108 km (0.105 R)
• M16: 14,021,060 km (0.059 R)
• M17: 15,131,675 km (0.032 R)
• M18: 17,974,334 km (0.048 R)
• M19: 19,362,303 km (0.107 R)
• M20: 22,875,908 km (0.107 R)
• M21: 24,319,228 km (0.103 R)
• M22: 29,428,295 km (0.105 R)
• M23: 34,390,307 km (0.032 R)
• M24: 36,040,820 km (0.113 R)
• M25: 40,138,904 km (0.045 R)
• M26: 40,915,915 km (0.085 R)
• M27: 42,100,282 km (0.082 R)
• M28: 46,496,215 km (0.029 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.9

Radius: 3.8

Gravity: 68.41 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 10.86 AU - 12 AU

Year: 16751 Days

Day: 18.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,613,983 km

• M1: 47,273 km (0.098 R)
• M2: 235,018 km (0.07 R)
• M3: 377,884 km (0.12 R)
• M4: 871,258 km (0.032 R)
• M5: 1,037,910 km (0.103 R)
• M6: 1,388,867 km (0.043 R)
• M7: 2,026,902 km (0.108 R)
• M8: 3,376,574 km (0.116 R)
• M9: 3,913,929 km (0.109 R)
• M10: 4,302,435 km (0.089 R)
• M11: 4,716,222 km (0.094 R)
• M12: 10,967,469 km (0.11 R)
• M13: 11,219,990 km (0.101 R)
• M14: 13,888,517 km (0.115 R)
• M15: 14,787,600 km (0.1 R)
• M16: 20,340,822 km (0.088 R)
• M17: 21,010,871 km (0.105 R)
• M18: 29,257,604 km (0.076 R)
• M19: 37,683,554 km (0.113 R)
• M20: 44,169,819 km (0.07 R)
• M21: 57,192,912 km (0.076 R)
• M22: 59,488,640 km (0.078 R)
• M23: 65,288,849 km (0.11 R)
• M24: 69,501,226 km (0.119 R)
• M25: 72,334,310 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152

Radius: 8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 14.5 AU - 17.12 AU

Year: 27250 Days

Day: 18.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,613,983 km

• M1: 99,632 km (0.042 R)
• M2: 397,182 km (0.12 R)
• M3: 1,492,089 km (0.105 R)
• M4: 1,815,969 km (0.116 R)
• M5: 2,112,023 km (0.107 R)
• M6: 3,151,878 km (0.087 R)
• M7: 3,556,091 km (0.12 R)
• M8: 4,561,538 km (0.086 R)
• M9: 5,818,460 km (0.037 R)
• M10: 6,271,741 km (0.11 R)
• M11: 6,748,360 km (0.045 R)
• M12: 7,248,914 km (0.066 R)
• M13: 7,508,317 km (0.098 R)
• M14: 9,147,611 km (0.078 R)
• M15: 9,760,812 km (0.053 R)
• M16: 10,024,404 km (0.069 R)
• M17: 10,401,241 km (0.092 R)
• M18: 11,012,498 km (0.082 R)
• M19: 14,707,116 km (0.119 R)
• M20: 16,794,306 km (0.098 R)
• M21: 23,941,494 km (0.088 R)
• M22: 26,304,392 km (0.026 R)
• M23: 27,752,200 km (0.115 R)
• M24: 28,818,384 km (0.078 R)
• M25: 32,883,258 km (0.067 R)
• M26: 40,074,876 km (0.12 R)
• M27: 45,704,094 km (0.113 R)
• M28: 48,860,310 km (0.11 R)
• M29: 50,727,441 km (0.033 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 16,239 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit