🌌 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: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.42 AU - 0.7 AU

Year: 154 Days

Day: 13 Hours

Environment

Temp: 193 °C

Axial Tilt: 35.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.02 AU - 1.14 AU

Year: 412 Days

Day: 14.6 Hours

Environment

Temp: 20 °C

Axial Tilt: 22.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.58 AU - 1.58 AU

Year: 729 Days

Day: 23.8 Hours

Environment

Temp: -40 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,649,610 km

• M1: 266,733 km (0.069 R)
• M2: 743,352 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.75 AU - 3.91 AU

Year: 2231 Days

Day: 18.1 Hours

Environment

Temp: -106 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,649,610 km

• M1: 951,592 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.5 AU - 3.98 AU

Year: 2655 Days

Day: 26.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.3

Radius: 13.2

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.38 AU - 9.12 AU

Year: 8699 Days

Day: 14.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 46,649,610 km

• M1: 173,085 km (0.078 R)
• M2: 256,112 km (0.094 R)
• M3: 384,167 km (0.053 R)
• M4: 521,797 km (0.115 R)
• M5: 679,922 km (0.104 R)
• M6: 1,273,975 km (0.116 R)
• M7: 1,409,661 km (0.102 R)
• M8: 1,790,088 km (0.034 R)
• M9: 2,002,517 km (0.075 R)
• M10: 2,142,092 km (0.056 R)
• M11: 2,368,134 km (0.115 R)
• M12: 3,186,135 km (0.039 R)
• M13: 3,374,030 km (0.068 R)
• M14: 3,541,430 km (0.049 R)
• M15: 3,785,425 km (0.079 R)
• M16: 3,884,758 km (0.102 R)
• M17: 4,009,971 km (0.102 R)
• M18: 4,524,588 km (0.065 R)
• M19: 4,763,196 km (0.112 R)
• M20: 4,951,540 km (0.041 R)
• M21: 5,280,356 km (0.047 R)
• M22: 5,363,832 km (0.059 R)
• M23: 6,192,155 km (0.068 R)
• M24: 6,309,589 km (0.085 R)
• M25: 7,213,909 km (0.063 R)
• M26: 7,712,967 km (0.102 R)
• M27: 8,094,591 km (0.081 R)
• M28: 8,449,886 km (0.107 R)
• M29: 8,711,533 km (0.077 R)
• M30: 10,198,087 km (0.116 R)
• M31: 10,337,063 km (0.092 R)
• M32: 10,864,097 km (0.116 R)
• M33: 11,041,669 km (0.061 R)
• M34: 11,292,096 km (0.09 R)
• M35: 11,761,983 km (0.073 R)
• M36: 12,091,098 km (0.105 R)
• M37: 12,349,155 km (0.074 R)
• M38: 12,833,253 km (0.044 R)
• M39: 13,285,637 km (0.079 R)
• M40: 13,437,629 km (0.077 R)
• M41: 14,910,270 km (0.062 R)
• M42: 15,306,256 km (0.08 R)
• M43: 15,705,832 km (0.095 R)
• M44: 16,068,307 km (0.107 R)
• M45: 16,271,012 km (0.05 R)
• M46: 16,474,466 km (0.088 R)
• M47: 16,637,826 km (0.108 R)
• M48: 17,131,200 km (0.102 R)
• M49: 18,258,869 km (0.07 R)
• M50: 19,152,417 km (0.066 R)
• M51: 19,539,875 km (0.101 R)
• M52: 20,103,859 km (0.082 R)
• M53: 20,893,886 km (0.108 R)
• M54: 20,982,298 km (0.09 R)
• M55: 21,337,144 km (0.064 R)
• M56: 21,693,935 km (0.111 R)
• M57: 22,413,501 km (0.084 R)
• M58: 22,549,336 km (0.084 R)
• M59: 24,339,723 km (0.099 R)
• M60: 24,525,823 km (0.039 R)
• M61: 24,946,492 km (0.055 R)
• M62: 25,040,440 km (0.08 R)
• M63: 25,228,335 km (0.069 R)
• M64: 25,558,497 km (0.09 R)
• M65: 25,795,161 km (0.113 R)
• M66: 26,127,717 km (0.032 R)
• M67: 26,223,011 km (0.086 R)
• M68: 26,318,305 km (0.12 R)
• M69: 26,941,230 km (0.096 R)
• M70: 27,278,723 km (0.064 R)
• M71: 27,666,032 km (0.063 R)
• M72: 28,055,136 km (0.097 R)
• M73: 28,691,525 km (0.092 R)
• M74: 28,888,246 km (0.119 R)
• M75: 29,134,784 km (0.091 R)
• M76: 29,530,769 km (0.102 R)
• M77: 29,679,619 km (0.091 R)
• M78: 29,978,366 km (0.11 R)
• M79: 30,278,011 km (0.09 R)
• M80: 30,428,057 km (0.077 R)
• M81: 31,587,890 km (0.118 R)
• M82: 32,096,522 km (0.12 R)
• M83: 34,262,849 km (0.042 R)
• M84: 35,258,273 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.1

Radius: 3

Gravity: 15.12 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 12.13 AU - 18.07 AU

Year: 21540 Days

Day: 20.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 46,649,610 km

• M1: 41,439 km (0.1 R)
• M2: 845,677 km (0.119 R)
• M3: 1,052,720 km (0.096 R)
• M4: 1,402,181 km (0.052 R)
• M5: 1,445,415 km (0.115 R)
• M6: 1,623,286 km (0.118 R)
• M7: 1,645,876 km (0.109 R)
• M8: 1,737,878 km (0.107 R)
• M9: 1,926,671 km (0.074 R)
• M10: 2,247,409 km (0.076 R)
• M11: 3,104,754 km (0.085 R)
• M12: 3,420,555 km (0.092 R)
• M13: 3,596,931 km (0.09 R)
• M14: 4,081,927 km (0.056 R)
• M15: 4,269,074 km (0.066 R)
• M16: 5,246,098 km (0.118 R)
• M17: 5,347,376 km (0.086 R)
• M18: 5,449,402 km (0.032 R)
• M19: 6,869,684 km (0.115 R)
• M20: 7,888,745 km (0.11 R)
• M21: 8,514,662 km (0.031 R)
• M22: 8,913,789 km (0.06 R)
• M23: 8,994,422 km (0.046 R)
• M24: 9,278,359 km (0.102 R)
• M25: 9,606,427 km (0.081 R)
• M26: 9,730,444 km (0.118 R)
• M27: 10,189,560 km (0.076 R)
• M28: 10,273,783 km (0.116 R)
• M29: 10,655,856 km (0.119 R)
• M30: 11,565,112 km (0.085 R)
• M31: 11,918,014 km (0.064 R)
• M32: 12,408,844 km (0.059 R)
• M33: 12,589,110 km (0.085 R)
• M34: 12,634,288 km (0.079 R)
• M35: 12,997,661 km (0.085 R)
• M36: 14,579,808 km (0.032 R)
• M37: 16,074,291 km (0.058 R)
• M38: 17,515,816 km (0.101 R)
• M39: 19,153,913 km (0.087 R)
• M40: 22,244,605 km (0.118 R)
• M41: 23,290,144 km (0.085 R)
• M42: 23,623,748 km (0.059 R)
• M43: 23,790,998 km (0.106 R)
• M44: 24,407,940 km (0.093 R)
• M45: 24,690,231 km (0.077 R)
• M46: 25,944,460 km (0.114 R)
• M47: 26,463,564 km (0.089 R)
• M48: 26,579,502 km (0.12 R)
• M49: 27,044,453 km (0.098 R)
• M50: 27,102,646 km (0.074 R)
• M51: 29,169,790 km (0.093 R)
• M52: 29,469,135 km (0.12 R)
• M53: 29,709,389 km (0.12 R)
• M54: 34,775,521 km (0.082 R)
• M55: 35,092,968 km (0.093 R)
• M56: 36,243,675 km (0.086 R)
• M57: 36,953,068 km (0.116 R)
• M58: 37,017,694 km (0.093 R)
• M59: 37,601,724 km (0.109 R)
• M60: 39,835,519 km (0.12 R)
• M61: 39,968,362 km (0.118 R)
• M62: 40,167,776 km (0.099 R)
• M63: 40,834,684 km (0.06 R)
• M64: 41,035,444 km (0.092 R)
• M65: 41,438,161 km (0.092 R)
• M66: 42,179,568 km (0.091 R)
• M67: 43,675,697 km (0.068 R)
• M68: 45,050,800 km (0.092 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 11,481 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit