🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.5 AU - 0.64 AU

Year: 158 Days

Day: 42.2 Hours

Environment

Temp: 155 °C

Axial Tilt: 98.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.94 AU - 1.36 AU

Year: 453 Days

Day: 19.1 Hours

Environment

Temp: 19 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.74 AU - 1.8 AU

Year: 864 Days

Day: 37.8 Hours

Environment

Temp: -48 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.3 AU - 3.5 AU

Year: 1813 Days

Day: 25.6 Hours

Environment

Temp: -103 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,870,031 km

• M1: 1,520,513 km (0.067 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.38 AU - 3.38 AU

Year: 2281 Days

Day: 40.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.9

Radius: 13.1

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.69 AU - 7.65 AU

Year: 7048 Days

Day: 6.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 42,870,031 km

• M1: 272,717 km (0.08 R)
• M2: 473,627 km (0.069 R)
• M3: 629,059 km (0.075 R)
• M4: 824,583 km (0.12 R)
• M5: 1,041,800 km (0.119 R)
• M6: 1,241,962 km (0.112 R)
• M7: 1,507,348 km (0.093 R)
• M8: 1,626,877 km (0.119 R)
• M9: 1,763,609 km (0.095 R)
• M10: 2,005,210 km (0.086 R)
• M11: 2,093,173 km (0.034 R)
• M12: 2,258,030 km (0.12 R)
• M13: 2,537,030 km (0.101 R)
• M14: 2,827,549 km (0.104 R)
• M15: 3,637,023 km (0.027 R)
• M16: 3,818,186 km (0.064 R)
• M17: 4,437,671 km (0.116 R)
• M18: 4,612,102 km (0.077 R)
• M19: 5,353,210 km (0.088 R)
• M20: 5,811,728 km (0.09 R)
• M21: 5,896,400 km (0.112 R)
• M22: 6,435,401 km (0.11 R)
• M23: 6,855,771 km (0.107 R)
• M24: 7,491,413 km (0.111 R)
• M25: 7,746,327 km (0.119 R)
• M26: 7,839,826 km (0.097 R)
• M27: 7,957,111 km (0.118 R)
• M28: 8,169,839 km (0.047 R)
• M29: 8,336,491 km (0.077 R)
• M30: 8,552,510 km (0.034 R)
• M31: 8,770,474 km (0.116 R)
• M32: 8,867,863 km (0.108 R)
• M33: 9,236,621 km (0.119 R)
• M34: 9,360,638 km (0.108 R)
• M35: 9,510,086 km (0.105 R)
• M36: 9,710,847 km (0.085 R)
• M37: 9,887,522 km (0.074 R)
• M38: 10,090,825 km (0.064 R)
• M39: 10,218,582 km (0.096 R)
• M40: 10,475,740 km (0.077 R)
• M41: 11,605,952 km (0.114 R)
• M42: 11,847,403 km (0.078 R)
• M43: 11,955,263 km (0.066 R)
• M44: 12,144,804 km (0.069 R)
• M45: 12,335,392 km (0.085 R)
• M46: 12,609,305 km (0.097 R)
• M47: 13,023,991 km (0.116 R)
• M48: 13,135,291 km (0.047 R)
• M49: 13,555,811 km (0.066 R)
• M50: 14,066,089 km (0.115 R)
• M51: 14,237,678 km (0.075 R)
• M52: 14,352,420 km (0.101 R)
• M53: 14,582,800 km (0.098 R)
• M54: 16,050,505 km (0.116 R)
• M55: 16,140,114 km (0.094 R)
• M56: 16,409,839 km (0.119 R)
• M57: 16,620,623 km (0.117 R)
• M58: 16,771,716 km (0.071 R)
• M59: 17,014,514 km (0.097 R)
• M60: 17,966,255 km (0.11 R)
• M61: 18,464,117 km (0.075 R)
• M62: 18,714,843 km (0.109 R)
• M63: 19,124,592 km (0.099 R)
• M64: 19,410,174 km (0.108 R)
• M65: 20,049,555 km (0.04 R)
• M66: 20,956,268 km (0.038 R)
• M67: 21,119,629 km (0.052 R)
• M68: 21,612,255 km (0.068 R)
• M69: 21,876,445 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.1

Radius: 11.3

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.56 AU - 9.22 AU

Year: 7375 Days

Day: 12.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 159 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 42,870,031 km

• M1: 144,362 km (0.107 R)
• M2: 309,368 km (0.114 R)
• M3: 521,498 km (0.099 R)
• M4: 721,959 km (0.093 R)
• M5: 800,199 km (0.038 R)
• M6: 1,071,420 km (0.063 R)
• M7: 1,391,709 km (0.095 R)
• M8: 1,699,432 km (0.045 R)
• M9: 1,894,657 km (0.116 R)
• M10: 2,166,476 km (0.112 R)
• M11: 2,283,611 km (0.109 R)
• M12: 2,499,780 km (0.11 R)
• M13: 2,773,245 km (0.062 R)
• M14: 2,900,852 km (0.112 R)
• M15: 3,322,419 km (0.095 R)
• M16: 3,485,630 km (0.101 R)
• M17: 3,848,256 km (0.107 R)
• M18: 3,991,122 km (0.062 R)
• M19: 4,135,633 km (0.086 R)
• M20: 4,311,411 km (0.067 R)
• M21: 4,459,812 km (0.052 R)
• M22: 4,579,789 km (0.034 R)
• M23: 4,670,595 km (0.072 R)
• M24: 4,823,035 km (0.092 R)
• M25: 5,772,683 km (0.096 R)
• M26: 6,403,686 km (0.08 R)
• M27: 6,675,955 km (0.089 R)
• M28: 6,779,028 km (0.104 R)
• M29: 6,952,112 km (0.075 R)
• M30: 7,480,043 km (0.053 R)
• M31: 9,216,725 km (0.12 R)
• M32: 10,627,732 km (0.056 R)
• M33: 10,909,874 km (0.064 R)
• M34: 11,072,187 km (0.086 R)
• M35: 11,522,776 km (0.103 R)
• M36: 12,273,159 km (0.105 R)
• M37: 12,611,699 km (0.111 R)
• M38: 12,953,380 km (0.1 R)
• M39: 13,125,268 km (0.056 R)
• M40: 13,602,186 km (0.115 R)
• M41: 14,350,325 km (0.119 R)
• M42: 14,841,605 km (0.113 R)
• M43: 16,116,927 km (0.11 R)
• M44: 16,487,780 km (0.064 R)
• M45: 16,955,273 km (0.032 R)
• M46: 17,903,275 km (0.085 R)
• M47: 18,287,293 km (0.058 R)
• M48: 18,383,783 km (0.061 R)
• M49: 18,966,018 km (0.117 R)
• M50: 19,259,379 km (0.107 R)
• M51: 22,688,013 km (0.083 R)
• M52: 24,951,429 km (0.107 R)
• M53: 25,219,209 km (0.082 R)
• M54: 25,703,757 km (0.118 R)
• M55: 25,811,766 km (0.097 R)
• M56: 26,191,296 km (0.063 R)
• M57: 27,561,762 km (0.112 R)
• M58: 27,838,668 km (0.109 R)
• M59: 27,949,669 km (0.028 R)
• M60: 29,067,913 km (0.107 R)
• M61: 29,745,891 km (0.114 R)
• M62: 29,916,133 km (0.112 R)
• M63: 30,600,693 km (0.045 R)
• M64: 31,521,319 km (0.103 R)
• M65: 32,101,459 km (0.089 R)
• M66: 32,919,460 km (0.116 R)
• M67: 33,272,062 km (0.089 R)
• M68: 33,448,887 km (0.101 R)
• M69: 33,566,920 km (0.098 R)
• M70: 37,416,971 km (0.117 R)
• M71: 37,784,981 km (0.099 R)
• M72: 38,277,607 km (0.112 R)
• M73: 38,401,025 km (0.049 R)
• M74: 38,524,743 km (0.107 R)
• M75: 39,207,059 km (0.072 R)
• M76: 40,332,035 km (0.11 R)
• M77: 40,898,562 km (0.099 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 12,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit