🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.65 AU - 1.09 AU

Year: 309 Days

Day: 36.8 Hours

Environment

Temp: 31 °C

Axial Tilt: 161.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 66,027,378 km

• M1: 50,115 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.95 AU - 1.37 AU

Year: 476 Days

Day: 36.5 Hours

Environment

Temp: -21 °C

Axial Tilt: 26.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.24 AU - 1.42 AU

Year: 584 Days

Day: 34.2 Hours

Environment

Temp: -36 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,027,378 km

• M1: 55,650 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.61 AU - 2.13 AU

Year: 974 Days

Day: 12.3 Hours

Environment

Temp: -74 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.81 AU - 2.01 AU

Year: 1005 Days

Day: 30.6 Hours

Environment

Temp: -84 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.38 AU - 2.56 AU

Year: 1478 Days

Day: 29.6 Hours

Environment

Temp: -92 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,027,378 km

• M1: 417,677 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.1

Radius: 5.7

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 14.13 AU - 19.79 AU

Year: 26597 Days

Day: 22.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 66,027,378 km

• M1: 146,905 km (0.085 R)
• M2: 192,084 km (0.045 R)
• M3: 379,979 km (0.051 R)
• M4: 658,979 km (0.104 R)
• M5: 898,485 km (0.069 R)
• M6: 1,064,538 km (0.095 R)
• M7: 1,480,121 km (0.101 R)
• M8: 1,705,416 km (0.075 R)
• M9: 2,002,218 km (0.116 R)
• M10: 2,283,013 km (0.097 R)
• M11: 2,609,585 km (0.087 R)
• M12: 2,744,373 km (0.116 R)
• M13: 3,750,419 km (0.082 R)
• M14: 4,056,945 km (0.069 R)
• M15: 4,940,918 km (0.056 R)
• M16: 5,926,020 km (0.072 R)
• M17: 7,489,019 km (0.07 R)
• M18: 7,536,741 km (0.112 R)
• M19: 8,315,398 km (0.032 R)
• M20: 8,714,375 km (0.064 R)
• M21: 8,815,055 km (0.099 R)
• M22: 9,119,486 km (0.117 R)
• M23: 9,375,747 km (0.09 R)
• M24: 9,427,359 km (0.076 R)
• M25: 9,634,552 km (0.114 R)
• M26: 11,510,210 km (0.111 R)
• M27: 11,676,114 km (0.102 R)
• M28: 12,347,659 km (0.064 R)
• M29: 13,031,770 km (0.043 R)
• M30: 13,845,283 km (0.055 R)
• M31: 14,139,841 km (0.117 R)
• M32: 15,521,078 km (0.106 R)
• M33: 15,888,341 km (0.083 R)
• M34: 16,444,845 km (0.026 R)
• M35: 16,631,693 km (0.046 R)
• M36: 17,070,613 km (0.097 R)
• M37: 17,449,694 km (0.088 R)
• M38: 19,782,374 km (0.12 R)
• M39: 20,380,616 km (0.067 R)
• M40: 22,763,261 km (0.079 R)
• M41: 23,110,777 km (0.083 R)
• M42: 23,530,099 km (0.112 R)
• M43: 27,047,295 km (0.113 R)
• M44: 27,489,207 km (0.08 R)
• M45: 28,007,713 km (0.106 R)
• M46: 28,454,712 km (0.104 R)
• M47: 30,418,633 km (0.062 R)
• M48: 31,262,664 km (0.112 R)
• M49: 31,648,926 km (0.082 R)
• M50: 31,881,401 km (0.047 R)
• M51: 32,270,056 km (0.071 R)
• M52: 32,426,086 km (0.073 R)
• M53: 33,288,069 km (0.114 R)
• M54: 35,838,563 km (0.091 R)
• M55: 35,999,980 km (0.091 R)
• M56: 36,323,709 km (0.094 R)
• M57: 38,699,024 km (0.068 R)
• M58: 39,863,793 km (0.089 R)
• M59: 44,115,963 km (0.084 R)
• M60: 44,983,631 km (0.106 R)
• M61: 45,244,978 km (0.103 R)
• M62: 46,559,345 km (0.112 R)
• M63: 47,442,571 km (0.062 R)
• M64: 48,064,150 km (0.037 R)
• M65: 48,867,192 km (0.083 R)
• M66: 48,956,801 km (0.073 R)
• M67: 49,315,387 km (0.114 R)
• M68: 49,674,721 km (0.086 R)
• M69: 52,032,383 km (0.036 R)
• M70: 52,215,192 km (0.113 R)
• M71: 53,316,831 km (0.069 R)
• M72: 53,501,135 km (0.095 R)
• M73: 54,055,395 km (0.052 R)
• M74: 54,147,996 km (0.117 R)
• M75: 55,542,847 km (0.06 R)
• M76: 55,916,842 km (0.115 R)
• M77: 56,010,490 km (0.12 R)
• M78: 56,197,936 km (0.091 R)
• M79: 56,667,374 km (0.09 R)
• M80: 56,761,322 km (0.089 R)
• M81: 57,515,594 km (0.119 R)
• M82: 60,950,212 km (0.05 R)
• M83: 61,722,436 km (0.036 R)
• M84: 63,276,758 km (0.11 R)
• M85: 63,960,719 km (0.055 R)
• M86: 64,352,666 km (0.066 R)
• M87: 65,138,952 km (0.091 R)
• M88: 65,237,537 km (0.117 R)
• M89: 65,533,292 km (0.109 R)
• M90: 65,829,645 km (0.095 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 20,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit