🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.79 AU - 0.89 AU

Year: 278 Days

Day: 24.7 Hours

Environment

Temp: 157 °C

Axial Tilt: 17.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.89 AU - 1.05 AU

Year: 345 Days

Day: 20.2 Hours

Environment

Temp: 102 °C

Axial Tilt: 4.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.81 AU - 1.23 AU

Year: 373 Days

Day: 44.4 Hours

Environment

Temp: 23 °C

Axial Tilt: 23.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.27 AU - 1.51 AU

Year: 593 Days

Day: 23.9 Hours

Environment

Temp: -6 °C

Axial Tilt: 4.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.58 AU - 2.12 AU

Year: 910 Days

Day: 26.8 Hours

Environment

Temp: -62 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.19 AU - 2.47 AU

Year: 1286 Days

Day: 35.4 Hours

Environment

Temp: -68 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.32 AU - 2.8 AU

Year: 1481 Days

Day: 35.5 Hours

Environment

Temp: -80 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,728,799 km

• M1: 1,946,867 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.1

Radius: 10.3

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.05 AU - 6.47 AU

Year: 4363 Days

Day: 9.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 92,728,799 km

• M1: 155,133 km (0.112 R)
• M2: 275,709 km (0.069 R)
• M3: 360,980 km (0.089 R)
• M4: 683,662 km (0.102 R)
• M5: 798,404 km (0.047 R)
• M6: 907,760 km (0.086 R)
• M7: 1,169,257 km (0.039 R)
• M8: 1,280,857 km (0.085 R)
• M9: 1,545,196 km (0.072 R)
• M10: 1,668,315 km (0.118 R)
• M11: 1,778,868 km (0.03 R)
• M12: 1,891,964 km (0.094 R)
• M13: 2,091,528 km (0.102 R)
• M14: 2,421,690 km (0.093 R)
• M15: 3,131,383 km (0.049 R)
• M16: 3,229,519 km (0.075 R)
• M17: 3,368,495 km (0.037 R)
• M18: 3,902,260 km (0.091 R)
• M19: 4,007,877 km (0.051 R)
• M20: 4,287,325 km (0.062 R)
• M21: 4,352,700 km (0.062 R)
• M22: 4,639,928 km (0.033 R)
• M23: 5,186,409 km (0.112 R)
• M24: 5,657,492 km (0.064 R)
• M25: 5,777,470 km (0.085 R)
• M26: 5,946,815 km (0.094 R)
• M27: 6,044,352 km (0.077 R)
• M28: 6,191,706 km (0.098 R)
• M29: 6,364,941 km (0.12 R)
• M30: 6,843,654 km (0.116 R)
• M31: 7,281,826 km (0.102 R)
• M32: 7,491,263 km (0.072 R)
• M33: 7,623,059 km (0.11 R)
• M34: 7,782,380 km (0.076 R)
• M35: 8,023,383 km (0.119 R)
• M36: 8,348,608 km (0.055 R)
• M37: 9,067,875 km (0.059 R)
• M38: 9,265,045 km (0.104 R)
• M39: 9,463,561 km (0.094 R)
• M40: 10,359,653 km (0.111 R)
• M41: 10,447,766 km (0.096 R)
• M42: 11,132,026 km (0.086 R)
• M43: 11,738,795 km (0.112 R)
• M44: 12,015,252 km (0.115 R)
• M45: 12,512,216 km (0.079 R)
• M46: 13,526,340 km (0.053 R)
• M47: 13,816,411 km (0.08 R)
• M48: 14,632,617 km (0.07 R)
• M49: 14,764,711 km (0.088 R)
• M50: 15,296,831 km (0.062 R)
• M51: 16,072,945 km (0.094 R)
• M52: 16,277,445 km (0.12 R)
• M53: 17,139,129 km (0.045 R)
• M54: 17,243,548 km (0.093 R)
• M55: 17,348,117 km (0.111 R)
• M56: 17,628,164 km (0.095 R)
• M57: 17,698,475 km (0.058 R)
• M58: 18,512,736 km (0.081 R)
• M59: 18,655,752 km (0.082 R)
• M60: 19,230,956 km (0.107 R)
• M61: 19,484,375 km (0.069 R)
• M62: 19,994,653 km (0.083 R)
• M63: 20,214,711 km (0.094 R)
• M64: 20,509,419 km (0.099 R)
• M65: 21,065,774 km (0.067 R)
• M66: 21,214,923 km (0.051 R)
• M67: 21,514,418 km (0.04 R)
• M68: 23,186,324 km (0.097 R)
• M69: 23,263,366 km (0.104 R)
• M70: 23,649,628 km (0.055 R)
• M71: 23,804,612 km (0.117 R)
• M72: 24,428,435 km (0.086 R)
• M73: 24,899,818 km (0.109 R)
• M74: 25,731,881 km (0.037 R)
• M75: 25,851,410 km (0.047 R)
• M76: 26,814,970 km (0.029 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792.6

Radius: 3.8

Gravity: 54.89 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 13.41 AU - 20.29 AU

Year: 25014 Days

Day: 24 Hours

Environment

Temp: -186 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 92,728,799 km

• M1: 55,501 km (0.094 R)
• M2: 370,554 km (0.077 R)
• M3: 504,893 km (0.104 R)
• M4: 902,674 km (0.103 R)
• M5: 1,083,537 km (0.093 R)
• M6: 1,146,219 km (0.06 R)
• M7: 1,375,552 km (0.073 R)
• M8: 1,727,107 km (0.114 R)
• M9: 1,763,759 km (0.06 R)
• M10: 1,912,908 km (0.102 R)
• M11: 1,950,906 km (0.117 R)
• M12: 2,633,521 km (0.093 R)
• M13: 3,111,037 km (0.096 R)
• M14: 4,143,263 km (0.058 R)
• M15: 4,542,689 km (0.111 R)
• M16: 5,006,592 km (0.113 R)
• M17: 6,259,025 km (0.043 R)
• M18: 8,902,719 km (0.079 R)
• M19: 10,605,591 km (0.092 R)
• M20: 11,355,526 km (0.051 R)
• M21: 11,563,018 km (0.078 R)
• M22: 11,981,742 km (0.092 R)
• M23: 12,547,671 km (0.11 R)
• M24: 14,297,368 km (0.11 R)
• M25: 15,124,345 km (0.12 R)
• M26: 15,581,965 km (0.084 R)
• M27: 16,354,787 km (0.058 R)
• M28: 16,510,818 km (0.099 R)
• M29: 17,298,451 km (0.104 R)
• M30: 18,259,766 km (0.084 R)
• M31: 18,583,945 km (0.067 R)
• M32: 19,650,877 km (0.032 R)
• M33: 19,899,808 km (0.076 R)
• M34: 20,066,460 km (0.111 R)
• M35: 21,075,797 km (0.034 R)
• M36: 21,929,253 km (0.102 R)
• M37: 22,273,926 km (0.09 R)
• M38: 23,230,754 km (0.058 R)
• M39: 24,112,185 km (0.088 R)
• M40: 24,646,249 km (0.07 R)
• M41: 25,184,353 km (0.102 R)
• M42: 26,454,588 km (0.056 R)
• M43: 26,637,846 km (0.094 R)
• M44: 27,374,765 km (0.037 R)
• M45: 28,868,500 km (0.06 R)
• M46: 30,868,922 km (0.052 R)
• M47: 32,520,632 km (0.117 R)
• M48: 33,406,701 km (0.077 R)
• M49: 33,902,468 km (0.082 R)
• M50: 34,200,916 km (0.096 R)
• M51: 36,620,811 km (0.111 R)
• M52: 37,029,363 km (0.112 R)
• M53: 39,303,849 km (0.106 R)
• M54: 40,036,878 km (0.085 R)
• M55: 40,142,045 km (0.096 R)
• M56: 40,352,530 km (0.075 R)
• M57: 40,880,311 km (0.041 R)
• M58: 41,410,336 km (0.052 R)
• M59: 41,942,605 km (0.108 R)
• M60: 42,263,194 km (0.111 R)
• M61: 43,229,446 km (0.066 R)
• M62: 43,553,176 km (0.033 R)
• M63: 44,638,060 km (0.072 R)
• M64: 46,282,140 km (0.117 R)
• M65: 46,392,394 km (0.109 R)
• M66: 46,834,456 km (0.106 R)
• M67: 50,307,670 km (0.032 R)
• M68: 52,132,464 km (0.087 R)
• M69: 55,729,096 km (0.12 R)
• M70: 55,846,381 km (0.114 R)
• M71: 56,081,399 km (0.111 R)
• M72: 56,434,450 km (0.062 R)
• M73: 57,024,464 km (0.117 R)
• M74: 57,379,460 km (0.073 R)
• M75: 58,329,706 km (0.063 R)
• M76: 58,448,786 km (0.09 R)
• M77: 60,125,329 km (0.099 R)
• M78: 60,607,184 km (0.077 R)
• M79: 64,016,220 km (0.049 R)
• M80: 64,139,189 km (0.093 R)
• M81: 64,754,934 km (0.074 R)
• M82: 67,487,040 km (0.07 R)
• M83: 68,364,282 km (0.112 R)
• M84: 70,256,546 km (0.066 R)
• M85: 75,256,705 km (0.114 R)
• M86: 75,386,406 km (0.041 R)
• M87: 76,166,110 km (0.111 R)
• M88: 79,180,208 km (0.1 R)
• M89: 81,565,995 km (0.104 R)
• M90: 82,767,715 km (0.079 R)
• M91: 84,513,821 km (0.059 R)
• M92: 86,543,715 km (0.084 R)
• M93: 86,679,549 km (0.107 R)
• M94: 88,042,386 km (0.098 R)
• M95: 91,618,822 km (0.105 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 17,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit