🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.91 AU - 0.95 AU

Year: 328 Days

Day: 23.6 Hours

Environment

Temp: 125 °C

Axial Tilt: 25.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.2 AU - 1.74 AU

Year: 651 Days

Day: 16.1 Hours

Environment

Temp: -35 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,059,617 km

• M1: 15,857 km (0.072 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.99 AU - 3.43 AU

Year: 2101 Days

Day: 42.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.24 AU - 3.42 AU

Year: 2220 Days

Day: 19.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.87 AU - 4.17 AU

Year: 2412 Days

Day: 36.1 Hours

Environment

Temp: -105 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.25 AU - 4.33 AU

Year: 2695 Days

Day: 47.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.4

Radius: 8.2

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.06 AU - 7.36 AU

Year: 5652 Days

Day: 11.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 63,059,617 km

• M1: 686,953 km (0.057 R)
• M2: 783,893 km (0.086 R)
• M3: 916,885 km (0.07 R)
• M4: 1,194,090 km (0.117 R)
• M5: 1,446,911 km (0.083 R)
• M6: 1,743,264 km (0.112 R)
• M7: 1,905,578 km (0.086 R)
• M8: 2,030,492 km (0.1 R)
• M9: 2,101,102 km (0.095 R)
• M10: 2,695,754 km (0.063 R)
• M11: 2,963,683 km (0.081 R)
• M12: 3,092,786 km (0.114 R)
• M13: 3,870,845 km (0.108 R)
• M14: 4,354,644 km (0.096 R)
• M15: 4,520,249 km (0.084 R)
• M16: 5,359,344 km (0.079 R)
• M17: 5,877,551 km (0.046 R)
• M18: 6,060,659 km (0.057 R)
• M19: 6,266,356 km (0.076 R)
• M20: 7,372,781 km (0.116 R)
• M21: 7,881,115 km (0.036 R)
• M22: 7,948,284 km (0.113 R)
• M23: 8,015,753 km (0.111 R)
• M24: 8,128,400 km (0.1 R)
• M25: 8,584,375 km (0.072 R)
• M26: 9,119,037 km (0.113 R)
• M27: 10,342,748 km (0.113 R)
• M28: 10,490,102 km (0.031 R)
• M29: 10,911,369 km (0.052 R)
• M30: 11,237,194 km (0.081 R)
• M31: 11,642,753 km (0.094 R)
• M32: 12,835,198 km (0.108 R)
• M33: 13,019,951 km (0.112 R)
• M34: 13,660,530 km (0.099 R)
• M35: 13,768,240 km (0.069 R)
• M36: 13,903,327 km (0.104 R)
• M37: 14,916,553 km (0.112 R)
• M38: 15,166,681 km (0.111 R)
• M39: 15,586,602 km (0.059 R)
• M40: 15,699,249 km (0.105 R)
• M41: 16,209,228 km (0.108 R)
• M42: 16,926,849 km (0.101 R)
• M43: 17,508,336 km (0.111 R)
• M44: 18,541,609 km (0.117 R)
• M45: 20,082,317 km (0.084 R)
• M46: 20,143,652 km (0.087 R)
• M47: 20,543,378 km (0.094 R)
• M48: 20,728,730 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.6

Radius: 4.2

Gravity: 19.88 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 12.24 AU - 17.64 AU

Year: 21092 Days

Day: 22.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 63,059,617 km

• M1: 124,914 km (0.079 R)
• M2: 271,969 km (0.082 R)
• M3: 316,399 km (0.087 R)
• M4: 482,603 km (0.114 R)
• M5: 694,284 km (0.049 R)
• M6: 735,722 km (0.1 R)
• M7: 1,024,895 km (0.112 R)
• M8: 1,144,873 km (0.057 R)
• M9: 1,613,712 km (0.116 R)
• M10: 1,839,156 km (0.064 R)
• M11: 2,509,355 km (0.027 R)
• M12: 2,638,757 km (0.05 R)
• M13: 2,671,369 km (0.09 R)
• M14: 2,737,192 km (0.097 R)
• M15: 2,803,464 km (0.073 R)
• M16: 2,937,653 km (0.077 R)
• M17: 3,459,451 km (0.084 R)
• M18: 4,084,770 km (0.058 R)
• M19: 4,160,616 km (0.113 R)
• M20: 4,468,638 km (0.04 R)
• M21: 4,944,359 km (0.084 R)
• M22: 5,353,061 km (0.067 R)
• M23: 5,477,825 km (0.118 R)
• M24: 5,900,439 km (0.061 R)
• M25: 5,943,224 km (0.058 R)
• M26: 6,202,477 km (0.087 R)
• M27: 6,246,010 km (0.114 R)
• M28: 6,289,693 km (0.029 R)
• M29: 6,377,357 km (0.055 R)
• M30: 6,776,784 km (0.11 R)
• M31: 6,866,692 km (0.063 R)
• M32: 7,739,895 km (0.114 R)
• M33: 7,880,965 km (0.113 R)
• M34: 8,501,946 km (0.079 R)
• M35: 9,689,155 km (0.058 R)
• M36: 9,943,022 km (0.118 R)
• M37: 11,404,294 km (0.025 R)
• M38: 12,214,367 km (0.089 R)
• M39: 12,433,528 km (0.058 R)
• M40: 12,875,739 km (0.08 R)
• M41: 13,098,790 km (0.09 R)
• M42: 13,605,178 km (0.073 R)
• M43: 14,521,166 km (0.1 R)
• M44: 14,928,222 km (0.09 R)
• M45: 15,575,382 km (0.107 R)
• M46: 16,111,691 km (0.068 R)
• M47: 18,504,509 km (0.112 R)
• M48: 19,838,024 km (0.065 R)
• M49: 19,966,678 km (0.117 R)
• M50: 21,202,357 km (0.072 R)
• M51: 21,862,532 km (0.091 R)
• M52: 23,203,079 km (0.087 R)
• M53: 23,542,367 km (0.079 R)
• M54: 24,363,360 km (0.081 R)
• M55: 26,598,053 km (0.114 R)
• M56: 27,739,634 km (0.09 R)
• M57: 28,099,716 km (0.032 R)
• M58: 29,116,084 km (0.107 R)
• M59: 29,923,015 km (0.119 R)
• M60: 32,387,640 km (0.105 R)
• M61: 32,690,725 km (0.102 R)
• M62: 34,452,090 km (0.098 R)
• M63: 34,684,117 km (0.062 R)
• M64: 36,008,507 km (0.092 R)
• M65: 36,479,890 km (0.074 R)
• M66: 36,874,230 km (0.059 R)
• M67: 37,111,492 km (0.073 R)
• M68: 37,826,420 km (0.114 R)
• M69: 37,986,041 km (0.113 R)
• M70: 38,225,697 km (0.095 R)
• M71: 39,593,171 km (0.105 R)
• M72: 39,917,349 km (0.096 R)
• M73: 40,405,188 km (0.087 R)
• M74: 40,731,461 km (0.063 R)
• M75: 40,976,802 km (0.053 R)
• M76: 41,304,570 km (0.061 R)
• M77: 43,540,161 km (0.079 R)
• M78: 46,325,225 km (0.092 R)
• M79: 46,923,467 km (0.078 R)
• M80: 49,254,501 km (0.098 R)
• M81: 49,341,566 km (0.097 R)
• M82: 49,690,279 km (0.061 R)
• M83: 51,181,620 km (0.098 R)
• M84: 51,357,996 km (0.093 R)
• M85: 52,420,739 km (0.073 R)
• M86: 52,776,483 km (0.067 R)
• M87: 54,028,318 km (0.105 R)
• M88: 54,297,744 km (0.11 R)
• M89: 57,750,014 km (0.074 R)
• M90: 59,132,149 km (0.096 R)
• M91: 59,595,304 km (0.064 R)
• M92: 61,178,947 km (0.03 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: 213 - 13,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit