🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.09 AU - 1.57 AU

Year: 555 Days

Day: 37.9 Hours

Environment

Temp: -16 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.28 AU - 1.84 AU

Year: 705 Days

Day: 15.9 Hours

Environment

Temp: -29 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.74 AU - 3.14 AU

Year: 1823 Days

Day: 33.3 Hours

Environment

Temp: -103 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.6

Radius: 9.9

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.06 AU - 8.44 AU

Year: 8570 Days

Day: 13.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 82,718,621 km

• M1: 160,967 km (0.093 R)
• M2: 388,356 km (0.113 R)
• M3: 678,277 km (0.112 R)
• M4: 860,637 km (0.11 R)
• M5: 938,128 km (0.043 R)
• M6: 1,200,224 km (0.117 R)
• M7: 1,332,618 km (0.093 R)
• M8: 1,660,836 km (0.095 R)
• M9: 1,876,855 km (0.093 R)
• M10: 2,226,914 km (0.09 R)
• M11: 2,299,469 km (0.068 R)
• M12: 2,372,772 km (0.069 R)
• M13: 2,829,644 km (0.093 R)
• M14: 3,251,809 km (0.084 R)
• M15: 4,267,429 km (0.098 R)
• M16: 4,403,862 km (0.061 R)
• M17: 4,541,642 km (0.097 R)
• M18: 4,634,392 km (0.111 R)
• M19: 5,227,997 km (0.094 R)
• M20: 5,423,072 km (0.103 R)
• M21: 5,645,375 km (0.107 R)
• M22: 5,720,174 km (0.119 R)
• M23: 6,590,833 km (0.084 R)
• M24: 7,068,649 km (0.104 R)
• M25: 7,530,009 km (0.105 R)
• M26: 7,695,165 km (0.032 R)
• M27: 7,945,293 km (0.063 R)
• M28: 8,169,839 km (0.084 R)
• M29: 8,453,476 km (0.105 R)
• M30: 9,590,570 km (0.037 R)
• M31: 9,859,696 km (0.098 R)
• M32: 10,775,086 km (0.119 R)
• M33: 11,431,820 km (0.05 R)
• M34: 11,495,100 km (0.079 R)
• M35: 11,590,245 km (0.084 R)
• M36: 12,101,720 km (0.118 R)
• M37: 12,522,688 km (0.078 R)
• M38: 12,751,423 km (0.092 R)
• M39: 13,379,136 km (0.03 R)
• M40: 14,017,021 km (0.094 R)
• M41: 14,940,489 km (0.1 R)
• M42: 15,531,999 km (0.079 R)
• M43: 16,308,711 km (0.048 R)
• M44: 16,666,100 km (0.085 R)
• M45: 16,773,811 km (0.078 R)
• M46: 17,534,067 km (0.092 R)
• M47: 17,790,029 km (0.067 R)
• M48: 18,084,139 km (0.092 R)
• M49: 18,157,890 km (0.061 R)
• M50: 18,379,744 km (0.099 R)
• M51: 18,528,145 km (0.099 R)
• M52: 19,013,291 km (0.089 R)
• M53: 19,616,170 km (0.115 R)
• M54: 19,919,854 km (0.092 R)
• M55: 20,378,521 km (0.076 R)
• M56: 20,493,712 km (0.11 R)
• M57: 21,034,209 km (0.111 R)
• M58: 21,306,178 km (0.101 R)
• M59: 21,814,362 km (0.111 R)
• M60: 21,932,245 km (0.104 R)
• M61: 22,010,933 km (0.101 R)
• M62: 22,564,296 km (0.058 R)
• M63: 22,643,882 km (0.111 R)
• M64: 22,842,847 km (0.109 R)
• M65: 23,282,665 km (0.101 R)
• M66: 23,523,816 km (0.056 R)
• M67: 23,684,933 km (0.078 R)
• M68: 24,089,596 km (0.058 R)
• M69: 24,170,827 km (0.069 R)
• M70: 24,537,342 km (0.105 R)
• M71: 25,234,618 km (0.095 R)
• M72: 25,896,887 km (0.089 R)
• M73: 26,439,180 km (0.028 R)
• M74: 26,564,842 km (0.116 R)
• M75: 26,900,988 km (0.12 R)
• M76: 27,960,440 km (0.114 R)
• M77: 28,131,281 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.4

Radius: 4.9

Gravity: 19.38 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 17.88 AU - 18.02 AU

Year: 27503 Days

Day: 16.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 82,718,621 km

• M1: 120,127 km (0.119 R)
• M2: 469,139 km (0.08 R)
• M3: 602,131 km (0.109 R)
• M4: 985,102 km (0.081 R)
• M5: 1,245,552 km (0.101 R)
• M6: 1,399,189 km (0.106 R)
• M7: 2,037,523 km (0.119 R)
• M8: 2,913,568 km (0.094 R)
• M9: 3,497,000 km (0.119 R)
• M10: 3,539,934 km (0.097 R)
• M11: 4,767,235 km (0.072 R)
• M12: 4,910,999 km (0.062 R)
• M13: 5,105,027 km (0.108 R)
• M14: 5,854,662 km (0.062 R)
• M15: 6,478,785 km (0.112 R)
• M16: 6,960,639 km (0.104 R)
• M17: 7,343,460 km (0.087 R)
• M18: 7,676,914 km (0.057 R)
• M19: 8,072,301 km (0.089 R)
• M20: 8,416,376 km (0.084 R)
• M21: 8,590,359 km (0.114 R)
• M22: 11,657,564 km (0.067 R)
• M23: 11,786,517 km (0.082 R)
• M24: 11,916,069 km (0.075 R)
• M25: 12,176,668 km (0.074 R)
• M26: 13,103,277 km (0.119 R)
• M27: 13,304,786 km (0.075 R)
• M28: 14,396,850 km (0.117 R)
• M29: 15,023,516 km (0.119 R)
• M30: 15,588,098 km (0.041 R)
• M31: 15,944,590 km (0.069 R)
• M32: 16,375,731 km (0.112 R)
• M33: 16,883,765 km (0.086 R)
• M34: 17,249,682 km (0.119 R)
• M35: 18,588,732 km (0.029 R)
• M36: 18,664,130 km (0.115 R)
• M37: 19,806,758 km (0.11 R)
• M38: 20,115,229 km (0.069 R)
• M39: 22,559,658 km (0.114 R)
• M40: 22,801,109 km (0.077 R)
• M41: 23,205,472 km (0.085 R)
• M42: 23,857,420 km (0.097 R)
• M43: 23,939,399 km (0.063 R)
• M44: 27,206,168 km (0.108 R)
• M45: 27,291,738 km (0.085 R)
• M46: 27,549,046 km (0.071 R)
• M47: 29,900,725 km (0.041 R)
• M48: 30,609,669 km (0.069 R)
• M49: 32,497,145 km (0.045 R)
• M50: 32,678,907 km (0.11 R)
• M51: 33,043,327 km (0.118 R)
• M52: 33,317,540 km (0.087 R)
• M53: 35,631,819 km (0.101 R)
• M54: 35,913,063 km (0.119 R)
• M55: 36,572,042 km (0.11 R)
• M56: 38,572,764 km (0.09 R)
• M57: 39,441,179 km (0.109 R)
• M58: 39,926,325 km (0.028 R)
• M59: 41,393,731 km (0.07 R)
• M60: 43,878,252 km (0.114 R)
• M61: 46,206,294 km (0.12 R)
• M62: 46,410,645 km (0.098 R)
• M63: 46,615,295 km (0.096 R)
• M64: 48,574,129 km (0.096 R)
• M65: 49,511,510 km (0.099 R)
• M66: 49,825,216 km (0.085 R)
• M67: 50,981,309 km (0.099 R)
• M68: 55,475,827 km (0.063 R)
• M69: 55,584,435 km (0.091 R)
• M70: 56,128,223 km (0.081 R)
• M71: 56,455,244 km (0.101 R)
• M72: 58,321,029 km (0.076 R)
• M73: 59,538,905 km (0.104 R)
• M74: 59,650,057 km (0.069 R)
• M75: 62,903,062 km (0.097 R)
• M76: 63,469,739 km (0.118 R)
• M77: 64,038,061 km (0.097 R)
• M78: 66,098,024 km (0.084 R)
• M79: 66,443,445 km (0.079 R)
• M80: 68,645,227 km (0.118 R)
• M81: 69,696,451 km (0.116 R)
• M82: 71,696,575 km (0.096 R)
• M83: 72,169,902 km (0.105 R)
• M84: 73,119,699 km (0.113 R)
• M85: 73,596,168 km (0.107 R)
• M86: 73,954,306 km (0.061 R)
• M87: 75,151,837 km (0.032 R)
• M88: 75,392,091 km (0.081 R)
• M89: 75,512,368 km (0.117 R)
• M90: 75,994,073 km (0.118 R)
• M91: 76,235,225 km (0.066 R)
• M92: 76,718,276 km (0.064 R)
• M93: 77,202,524 km (0.109 R)
• M94: 77,444,873 km (0.095 R)
• M95: 80,496,969 km (0.086 R)
• M96: 81,728,758 km (0.075 R)

Kuiper Belt

Range: 30.3 - 51.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 19,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit