🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.8

Radius: 8.7

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.5 AU - 0.72 AU

Year: 318 Days

Day: 5.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,763,633 km

• M1: 108,159 km (0.092 R)
• M2: 469,887 km (0.113 R)
• M3: 1,001,408 km (0.104 R)
• M4: 1,440,029 km (0.1 R)
• M5: 1,774,829 km (0.106 R)
• M6: 2,379,055 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.9

Radius: 14.9

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.89 AU - 1.13 AU

Year: 677 Days

Day: 8.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,763,633 km

• M1: 185,352 km (0.088 R)
• M2: 962,064 km (0.104 R)
• M3: 1,500,766 km (0.096 R)
• M4: 2,060,711 km (0.112 R)
• M5: 3,238,345 km (0.09 R)
• M6: 5,397,790 km (0.101 R)
• M7: 5,953,098 km (0.074 R)
• M8: 6,504,216 km (0.097 R)
• M9: 8,618,782 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.3

Radius: 14.8

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.94 AU - 1.38 AU

Year: 833 Days

Day: 13.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,763,633 km

• M1: 184,005 km (0.087 R)
• M2: 761,304 km (0.099 R)
• M3: 1,552,527 km (0.097 R)
• M4: 2,306,051 km (0.073 R)
• M5: 2,983,730 km (0.057 R)
• M6: 3,519,440 km (0.088 R)
• M7: 4,494,668 km (0.119 R)
• M8: 5,796,020 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.7

Radius: 10.5

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.97 AU - 3.15 AU

Year: 3570 Days

Day: 10.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,763,633 km

• M1: 130,749 km (0.054 R)
• M2: 491,579 km (0.075 R)
• M3: 978,220 km (0.099 R)
• M4: 2,154,060 km (0.081 R)
• M5: 2,520,275 km (0.118 R)
• M6: 2,946,180 km (0.085 R)
• M7: 4,077,140 km (0.099 R)
• M8: 4,593,403 km (0.111 R)
• M9: 4,995,821 km (0.114 R)
• M10: 5,340,046 km (0.102 R)
• M11: 5,842,994 km (0.099 R)
• M12: 6,687,922 km (0.115 R)
• M13: 8,033,854 km (0.092 R)
• M14: 9,432,295 km (0.099 R)
• M15: 11,525,469 km (0.11 R)
• M16: 12,802,735 km (0.119 R)
• M17: 14,277,322 km (0.079 R)
• M18: 16,434,523 km (0.066 R)
• M19: 16,843,673 km (0.081 R)
• M20: 17,926,762 km (0.064 R)
• M21: 18,422,828 km (0.097 R)
• M22: 19,899,958 km (0.091 R)
• M23: 22,798,865 km (0.043 R)
• M24: 23,750,457 km (0.109 R)
• M25: 25,265,734 km (0.094 R)
• M26: 25,654,389 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.5

Radius: 11.1

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.39 AU - 3.85 AU

Year: 3675 Days

Day: 5.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,763,633 km

• M1: 179,966 km (0.041 R)
• M2: 550,969 km (0.1 R)
• M3: 1,075,309 km (0.059 R)
• M4: 1,457,532 km (0.092 R)
• M5: 2,597,169 km (0.106 R)
• M6: 4,865,671 km (0.074 R)
• M7: 5,447,307 km (0.116 R)
• M8: 8,051,208 km (0.072 R)
• M9: 11,971,121 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.4

Radius: 8.6

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.25 AU - 3.91 AU

Year: 4517 Days

Day: 6.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,763,633 km

• M1: 107,411 km (0.064 R)
• M2: 492,925 km (0.055 R)
• M3: 761,304 km (0.03 R)
• M4: 1,041,949 km (0.117 R)
• M5: 1,527,245 km (0.119 R)
• M6: 3,432,523 km (0.088 R)
• M7: 4,035,851 km (0.107 R)
• M8: 5,286,938 km (0.038 R)
• M9: 5,650,760 km (0.109 R)
• M10: 6,001,418 km (0.09 R)
• M11: 9,761,111 km (0.106 R)
• M12: 11,013,246 km (0.106 R)
• M13: 11,468,921 km (0.069 R)
• M14: 12,080,028 km (0.08 R)
• M15: 14,310,233 km (0.109 R)
• M16: 14,688,716 km (0.102 R)
• M17: 16,921,015 km (0.102 R)
• M18: 17,405,413 km (0.119 R)
• M19: 19,900,556 km (0.081 R)
• M20: 23,138,602 km (0.078 R)
• M21: 24,266,271 km (0.086 R)
• M22: 24,727,331 km (0.089 R)
• M23: 25,587,968 km (0.094 R)
• M24: 26,957,088 km (0.092 R)
• M25: 27,618,011 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.3

Radius: 4.1

Gravity: 31.49 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.37 AU - 8.39 AU

Year: 12034 Days

Day: 19.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 49,763,633 km

• M1: 69,563 km (0.101 R)
• M2: 290,968 km (0.04 R)
• M3: 580,290 km (0.037 R)
• M4: 738,265 km (0.1 R)
• M5: 1,084,884 km (0.053 R)
• M6: 1,634,656 km (0.034 R)
• M7: 2,146,131 km (0.11 R)
• M8: 2,693,510 km (0.066 R)
• M9: 3,256,446 km (0.073 R)
• M10: 3,786,920 km (0.113 R)
• M11: 4,003,538 km (0.098 R)
• M12: 4,372,895 km (0.106 R)
• M13: 4,921,471 km (0.119 R)
• M14: 6,645,437 km (0.06 R)
• M15: 7,410,181 km (0.071 R)
• M16: 7,835,488 km (0.032 R)
• M17: 9,257,415 km (0.119 R)
• M18: 9,650,559 km (0.109 R)
• M19: 10,842,704 km (0.071 R)
• M20: 11,169,127 km (0.11 R)
• M21: 12,187,888 km (0.079 R)
• M22: 14,149,116 km (0.064 R)
• M23: 14,278,369 km (0.117 R)
• M24: 15,407,982 km (0.111 R)
• M25: 16,099,723 km (0.05 R)
• M26: 18,606,086 km (0.084 R)
• M27: 18,761,219 km (0.082 R)
• M28: 21,276,258 km (0.083 R)
• M29: 27,360,852 km (0.035 R)
• M30: 32,114,325 km (0.117 R)
• M31: 32,337,525 km (0.105 R)
• M32: 36,291,546 km (0.096 R)
• M33: 37,636,580 km (0.116 R)
• M34: 38,258,907 km (0.07 R)
• M35: 40,947,480 km (0.103 R)
• M36: 43,759,172 km (0.091 R)
• M37: 49,169,529 km (0.114 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 19,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit