🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.66 AU - 0.94 AU

Year: 265 Days

Day: 42 Hours

Environment

Temp: 147 °C

Axial Tilt: 51.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 95,559,042 km

• M1: 706,102 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.82 AU - 1.36 AU

Year: 422 Days

Day: 47.6 Hours

Environment

Temp: 18 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.13 AU - 1.89 AU

Year: 688 Days

Day: 17.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 95,559,042 km

• M1: 137,780 km (0.081 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.91 AU - 2.67 AU

Year: 1285 Days

Day: 36.5 Hours

Environment

Temp: -92 °C

Axial Tilt: 49.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.93 AU - 3.09 AU

Year: 1937 Days

Day: 42.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.9

Radius: 10.5

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.67 AU - 6.47 AU

Year: 4875 Days

Day: 12.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 95,559,042 km

• M1: 159,920 km (0.032 R)
• M2: 350,657 km (0.108 R)
• M3: 426,354 km (0.059 R)
• M4: 598,092 km (0.084 R)
• M5: 743,053 km (0.053 R)
• M6: 967,001 km (0.081 R)
• M7: 1,081,443 km (0.108 R)
• M8: 1,286,990 km (0.071 R)
• M9: 1,413,999 km (0.08 R)
• M10: 1,505,403 km (0.058 R)
• M11: 1,750,145 km (0.069 R)
• M12: 1,848,880 km (0.101 R)
• M13: 2,052,034 km (0.1 R)
• M14: 2,433,060 km (0.108 R)
• M15: 2,575,926 km (0.065 R)
• M16: 2,770,553 km (0.115 R)
• M17: 2,953,361 km (0.066 R)
• M18: 3,278,587 km (0.033 R)
• M19: 3,597,380 km (0.106 R)
• M20: 3,797,093 km (0.061 R)
• M21: 3,963,296 km (0.102 R)
• M22: 4,322,182 km (0.114 R)
• M23: 4,496,014 km (0.104 R)
• M24: 4,593,403 km (0.112 R)
• M25: 5,172,945 km (0.087 R)
• M26: 5,378,193 km (0.103 R)
• M27: 5,988,552 km (0.06 R)
• M28: 6,074,571 km (0.065 R)
• M29: 6,247,656 km (0.062 R)
• M30: 6,598,762 km (0.095 R)
• M31: 7,046,808 km (0.078 R)
• M32: 7,343,460 km (0.103 R)
• M33: 7,760,838 km (0.062 R)
• M34: 8,138,423 km (0.109 R)
• M35: 8,401,416 km (0.107 R)
• M36: 8,546,078 km (0.053 R)
• M37: 8,911,396 km (0.107 R)
• M38: 9,331,766 km (0.092 R)
• M39: 9,481,513 km (0.047 R)
• M40: 9,632,308 km (0.066 R)
• M41: 9,733,137 km (0.109 R)
• M42: 10,038,017 km (0.076 R)
• M43: 10,918,700 km (0.108 R)
• M44: 10,997,687 km (0.098 R)
• M45: 11,103,154 km (0.081 R)
• M46: 12,122,215 km (0.06 R)
• M47: 12,615,289 km (0.057 R)
• M48: 13,115,096 km (0.109 R)
• M49: 13,199,020 km (0.112 R)
• M50: 13,423,716 km (0.068 R)
• M51: 14,191,303 km (0.115 R)
• M52: 14,479,129 km (0.085 R)
• M53: 15,060,915 km (0.067 R)
• M54: 15,178,050 km (0.064 R)
• M55: 15,384,047 km (0.114 R)
• M56: 15,650,181 km (0.117 R)
• M57: 17,156,333 km (0.104 R)
• M58: 17,370,856 km (0.066 R)
• M59: 17,648,061 km (0.097 R)
• M60: 18,019,812 km (0.111 R)
• M61: 18,362,989 km (0.104 R)
• M62: 18,834,372 km (0.105 R)
• M63: 18,992,347 km (0.105 R)
• M64: 19,660,751 km (0.09 R)
• M65: 19,885,297 km (0.115 R)
• M66: 21,745,247 km (0.09 R)
• M67: 21,877,941 km (0.109 R)
• M68: 22,143,926 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.2

Radius: 5.8

Gravity: 17.51 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 18.36 AU - 19.34 AU

Year: 30351 Days

Day: 15.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 95,559,042 km

• M1: 153,637 km (0.119 R)
• M2: 362,775 km (0.091 R)
• M3: 405,261 km (0.11 R)
• M4: 568,322 km (0.069 R)
• M5: 1,303,745 km (0.112 R)
• M6: 1,994,289 km (0.119 R)
• M7: 3,228,621 km (0.059 R)
• M8: 3,274,697 km (0.109 R)
• M9: 3,844,665 km (0.088 R)
• M10: 3,942,652 km (0.091 R)
• M11: 4,292,113 km (0.032 R)
• M12: 5,786,595 km (0.066 R)
• M13: 6,298,220 km (0.104 R)
• M14: 6,355,965 km (0.077 R)
• M15: 6,883,596 km (0.09 R)
• M16: 7,425,141 km (0.057 R)
• M17: 7,547,362 km (0.061 R)
• M18: 8,168,343 km (0.034 R)
• M19: 9,261,155 km (0.111 R)
• M20: 9,657,889 km (0.039 R)
• M21: 10,399,296 km (0.097 R)
• M22: 10,604,694 km (0.099 R)
• M23: 10,950,115 km (0.117 R)
• M24: 11,019,529 km (0.116 R)
• M25: 12,079,729 km (0.112 R)
• M26: 13,617,745 km (0.096 R)
• M27: 15,449,421 km (0.114 R)
• M28: 15,527,511 km (0.05 R)
• M29: 17,357,093 km (0.089 R)
• M30: 18,009,340 km (0.077 R)
• M31: 21,912,049 km (0.079 R)
• M32: 23,507,510 km (0.029 R)
• M33: 23,957,351 km (0.091 R)
• M34: 24,319,228 km (0.052 R)
• M35: 25,877,440 km (0.103 R)
• M36: 26,062,791 km (0.105 R)
• M37: 28,226,725 km (0.11 R)
• M38: 28,417,612 km (0.06 R)
• M39: 28,896,624 km (0.064 R)
• M40: 29,668,699 km (0.032 R)
• M41: 30,154,742 km (0.042 R)
• M42: 30,741,315 km (0.075 R)
• M43: 31,134,608 km (0.114 R)
• M44: 31,331,778 km (0.067 R)
• M45: 34,034,563 km (0.059 R)
• M46: 34,543,345 km (0.103 R)
• M47: 34,952,047 km (0.118 R)
• M48: 35,156,996 km (0.096 R)
• M49: 35,259,620 km (0.11 R)
• M50: 35,465,167 km (0.092 R)
• M51: 35,980,831 km (0.078 R)
• M52: 37,542,782 km (0.109 R)
• M53: 37,752,668 km (0.082 R)
• M54: 39,659,443 km (0.11 R)
• M55: 40,516,938 km (0.116 R)
• M56: 41,923,307 km (0.079 R)
• M57: 42,687,154 km (0.099 R)
• M58: 42,796,660 km (0.118 R)
• M59: 43,345,684 km (0.038 R)
• M60: 44,228,760 km (0.092 R)
• M61: 45,117,820 km (0.08 R)
• M62: 46,687,700 km (0.059 R)
• M63: 48,161,538 km (0.083 R)
• M64: 49,076,030 km (0.057 R)
• M65: 51,038,455 km (0.059 R)
• M66: 52,204,571 km (0.113 R)
• M67: 53,261,779 km (0.079 R)
• M68: 55,516,518 km (0.101 R)
• M69: 56,836,121 km (0.102 R)
• M70: 59,628,514 km (0.093 R)
• M71: 62,340,873 km (0.06 R)
• M72: 63,712,237 km (0.077 R)
• M73: 63,837,301 km (0.111 R)
• M74: 65,345,547 km (0.092 R)
• M75: 65,471,807 km (0.065 R)
• M76: 66,484,435 km (0.107 R)
• M77: 70,198,352 km (0.105 R)
• M78: 71,104,915 km (0.118 R)
• M79: 72,145,668 km (0.103 R)
• M80: 73,584,949 km (0.087 R)
• M81: 75,960,413 km (0.106 R)
• M82: 76,225,949 km (0.118 R)
• M83: 78,897,767 km (0.114 R)
• M84: 83,646,901 km (0.075 R)
• M85: 85,572,376 km (0.059 R)
• M86: 87,930,038 km (0.106 R)
• M87: 88,069,314 km (0.104 R)
• M88: 90,168,321 km (0.096 R)
• M89: 91,153,423 km (0.085 R)
• M90: 92,708,792 km (0.067 R)
• M91: 92,992,580 km (0.118 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 12,413 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit