🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.22 AU - 1.5 AU

Year: 594 Days

Day: 29.4 Hours

Environment

Temp: -41 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.93 AU - 2.07 AU

Year: 1060 Days

Day: 12.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,871,541 km

• M1: 1,665,174 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.14 AU - 3.06 AU

Year: 1571 Days

Day: 46.4 Hours

Environment

Temp: -88 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763

Radius: 13.7

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.88 AU - 5.9 AU

Year: 4689 Days

Day: 8.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,871,541 km

• M1: 170,392 km (0.081 R)
• M2: 712,834 km (0.092 R)
• M3: 1,730,399 km (0.049 R)
• M4: 3,286,216 km (0.097 R)
• M5: 4,196,220 km (0.092 R)
• M6: 4,660,422 km (0.096 R)
• M7: 5,268,239 km (0.107 R)
• M8: 7,556,039 km (0.074 R)
• M9: 9,464,309 km (0.069 R)
• M10: 10,843,452 km (0.097 R)
• M11: 11,300,773 km (0.093 R)
• M12: 14,817,220 km (0.05 R)
• M13: 20,422,802 km (0.057 R)
• M14: 21,620,782 km (0.075 R)
• M15: 23,014,585 km (0.08 R)
• M16: 25,335,895 km (0.069 R)
• M17: 26,306,935 km (0.068 R)
• M18: 28,065,458 km (0.025 R)
• M19: 28,842,769 km (0.108 R)
• M20: 29,901,323 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56

Radius: 9.9

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.65 AU - 9.03 AU

Year: 9849 Days

Day: 5.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,871,541 km

• M1: 142,417 km (0.117 R)
• M2: 539,600 km (0.088 R)
• M3: 10,564,901 km (0.105 R)
• M4: 11,204,731 km (0.09 R)
• M5: 12,040,833 km (0.086 R)
• M6: 15,907,938 km (0.084 R)
• M7: 18,633,312 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.9

Radius: 11.2

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 10.12 AU - 10.42 AU

Year: 12333 Days

Day: 6.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,871,541 km

• M1: 139,575 km (0.117 R)
• M2: 516,412 km (0.092 R)
• M3: 2,098,409 km (0.051 R)
• M4: 3,063,764 km (0.069 R)
• M5: 4,940,320 km (0.085 R)
• M6: 5,780,013 km (0.036 R)
• M7: 6,672,963 km (0.074 R)
• M8: 7,193,862 km (0.085 R)
• M9: 7,959,654 km (0.114 R)
• M10: 8,408,148 km (0.112 R)
• M11: 9,016,413 km (0.079 R)
• M12: 9,603,735 km (0.105 R)
• M13: 10,746,513 km (0.039 R)
• M14: 13,678,332 km (0.101 R)
• M15: 14,127,425 km (0.114 R)
• M16: 14,920,293 km (0.116 R)
• M17: 15,672,920 km (0.094 R)
• M18: 17,854,356 km (0.089 R)
• M19: 20,148,440 km (0.119 R)
• M20: 20,646,601 km (0.084 R)
• M21: 24,554,396 km (0.06 R)
• M22: 25,410,545 km (0.095 R)
• M23: 26,681,977 km (0.037 R)
• M24: 27,182,083 km (0.038 R)
• M25: 27,790,497 km (0.102 R)
• M26: 29,991,830 km (0.089 R)
• M27: 30,424,018 km (0.057 R)
• M28: 33,798,497 km (0.038 R)
• M29: 34,976,730 km (0.118 R)
• M30: 35,335,466 km (0.102 R)
• M31: 39,964,174 km (0.061 R)
• M32: 43,448,607 km (0.06 R)
• M33: 45,690,780 km (0.049 R)
• M34: 46,551,117 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.4

Radius: 5.1

Gravity: 14.86 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 14.6 AU - 22.32 AU

Year: 29722 Days

Day: 25 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,871,541 km

• M1: 63,878 km (0.115 R)
• M2: 235,018 km (0.097 R)
• M3: 651,499 km (0.093 R)
• M4: 854,054 km (0.094 R)
• M5: 1,603,091 km (0.103 R)
• M6: 2,820,219 km (0.11 R)
• M7: 3,307,310 km (0.119 R)
• M8: 3,511,212 km (0.05 R)
• M9: 4,446,946 km (0.109 R)
• M10: 7,272,401 km (0.11 R)
• M11: 7,871,541 km (0.058 R)
• M12: 20,228,474 km (0.062 R)
• M13: 27,290,242 km (0.117 R)
• M14: 31,238,728 km (0.108 R)
• M15: 33,618,830 km (0.067 R)
• M16: 60,500,221 km (0.047 R)
• M17: 63,351,856 km (0.111 R)
• M18: 65,866,297 km (0.054 R)
• M19: 67,363,472 km (0.069 R)
• M20: 68,664,525 km (0.101 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 12,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit