🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.45 AU - 0.65 AU

Year: 120 Days

Day: 22 Hours

Environment

Temp: 330 °C

Axial Tilt: 20.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.77 AU - 0.87 AU

Year: 219 Days

Day: 13.2 Hours

Environment

Temp: 250 °C

Axial Tilt: 13.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 58,174,290 km

• M1: 88,113 km (0.08 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.8 AU - 1.2 AU

Year: 295 Days

Day: 12.8 Hours

Environment

Temp: 210 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.95 AU - 1.39 AU

Year: 374 Days

Day: 46.5 Hours

Environment

Temp: 228 °C

Axial Tilt: 42.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.16 AU - 1.46 AU

Year: 443 Days

Day: 42.9 Hours

Environment

Temp: 173 °C

Axial Tilt: 34.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 58,174,290 km

• M1: 624,422 km (0.054 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.07 AU - 3.41 AU

Year: 1722 Days

Day: 14.5 Hours

Environment

Temp: -47 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 18.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.5

Radius: 3.8

Gravity: 14.99 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 17.03 AU - 20.27 AU

Year: 23783 Days

Day: 16.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 58,174,290 km

• M1: 236,963 km (0.109 R)
• M2: 319,541 km (0.078 R)
• M3: 495,019 km (0.027 R)
• M4: 1,010,534 km (0.049 R)
• M5: 1,146,967 km (0.091 R)
• M6: 1,412,204 km (0.114 R)
• M7: 1,462,319 km (0.067 R)
• M8: 1,564,644 km (0.108 R)
• M9: 1,695,841 km (0.048 R)
• M10: 1,722,470 km (0.095 R)
• M11: 1,749,248 km (0.12 R)
• M12: 1,803,253 km (0.079 R)
• M13: 2,110,377 km (0.066 R)
• M14: 2,139,100 km (0.051 R)
• M15: 2,167,972 km (0.095 R)
• M16: 2,226,016 km (0.059 R)
• M17: 2,678,101 km (0.063 R)
• M18: 2,962,636 km (0.048 R)
• M19: 3,124,800 km (0.083 R)
• M20: 3,157,562 km (0.11 R)
• M21: 3,390,486 km (0.105 R)
• M22: 3,732,616 km (0.088 R)
• M23: 3,802,329 km (0.089 R)
• M24: 3,907,796 km (0.112 R)
• M25: 4,560,491 km (0.105 R)
• M26: 5,091,115 km (0.114 R)
• M27: 5,324,487 km (0.078 R)
• M28: 5,521,657 km (0.091 R)
• M29: 6,086,240 km (0.09 R)
• M30: 6,500,775 km (0.105 R)
• M31: 6,542,663 km (0.089 R)
• M32: 6,838,867 km (0.113 R)
• M33: 8,247,630 km (0.063 R)
• M34: 9,408,060 km (0.077 R)
• M35: 9,550,777 km (0.112 R)
• M36: 9,838,304 km (0.047 R)
• M37: 10,177,293 km (0.086 R)
• M38: 10,226,062 km (0.118 R)
• M39: 10,323,749 km (0.091 R)
• M40: 10,520,021 km (0.088 R)
• M41: 10,569,389 km (0.059 R)
• M42: 11,216,998 km (0.047 R)
• M43: 11,928,785 km (0.114 R)
• M44: 12,498,154 km (0.063 R)
• M45: 12,655,082 km (0.087 R)
• M46: 14,422,731 km (0.107 R)
• M47: 15,084,402 km (0.103 R)
• M48: 15,531,101 km (0.106 R)
• M49: 16,095,534 km (0.115 R)
• M50: 17,769,833 km (0.115 R)
• M51: 18,063,943 km (0.076 R)
• M52: 18,597,708 km (0.079 R)
• M53: 18,896,455 km (0.106 R)
• M54: 19,317,274 km (0.077 R)
• M55: 20,907,350 km (0.093 R)
• M56: 22,411,855 km (0.107 R)
• M57: 22,538,864 km (0.099 R)
• M58: 23,177,198 km (0.098 R)
• M59: 23,241,376 km (0.076 R)
• M60: 23,951,068 km (0.101 R)
• M61: 24,798,839 km (0.071 R)
• M62: 24,995,859 km (0.084 R)
• M63: 25,391,546 km (0.053 R)
• M64: 25,789,327 km (0.057 R)
• M65: 25,855,748 km (0.099 R)
• M66: 27,740,382 km (0.118 R)
• M67: 29,321,332 km (0.084 R)
• M68: 31,072,675 km (0.116 R)
• M69: 31,853,875 km (0.059 R)
• M70: 32,641,507 km (0.063 R)
• M71: 32,713,464 km (0.033 R)
• M72: 33,073,845 km (0.091 R)
• M73: 34,017,060 km (0.062 R)
• M74: 35,263,808 km (0.083 R)
• M75: 36,152,869 km (0.077 R)
• M76: 38,711,591 km (0.086 R)
• M77: 42,264,989 km (0.034 R)
• M78: 43,287,939 km (0.107 R)
• M79: 43,446,064 km (0.066 R)
• M80: 45,679,560 km (0.12 R)
• M81: 46,405,409 km (0.112 R)
• M82: 46,972,535 km (0.054 R)
• M83: 47,216,230 km (0.099 R)
• M84: 48,359,456 km (0.037 R)
• M85: 49,346,503 km (0.115 R)
• M86: 52,853,227 km (0.109 R)
• M87: 53,614,979 km (0.115 R)
• M88: 53,784,773 km (0.09 R)
• M89: 54,465,742 km (0.026 R)
• M90: 54,978,265 km (0.085 R)
• M91: 55,406,563 km (0.079 R)
• M92: 56,784,809 km (0.12 R)

Kuiper Belt

Range: 37.1 - 60.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 20,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit