🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.6

Radius: 11

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.22 AU - 1.78 AU

Year: 1205 Days

Day: 13.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,547,197 km

• M1: 173,833 km (0.092 R)
• M2: 547,977 km (0.083 R)
• M3: 1,660,387 km (0.077 R)
• M4: 2,132,518 km (0.09 R)
• M5: 2,930,473 km (0.116 R)
• M6: 4,001,294 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.7

Radius: 11.6

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.81 AU - 2.91 AU

Year: 2378 Days

Day: 6.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,547,197 km

• M1: 144,362 km (0.095 R)
• M2: 778,657 km (0.058 R)
• M3: 1,384,977 km (0.081 R)
• M4: 2,191,310 km (0.109 R)
• M5: 3,595,435 km (0.064 R)
• M6: 4,146,404 km (0.091 R)
• M7: 5,201,368 km (0.058 R)
• M8: 8,243,591 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.9

Radius: 14.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2 AU - 3.18 AU

Year: 2734 Days

Day: 10.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,547,197 km

• M1: 185,352 km (0.109 R)
• M2: 699,071 km (0.078 R)
• M3: 1,738,028 km (0.087 R)
• M4: 2,283,013 km (0.074 R)
• M5: 2,779,678 km (0.115 R)
• M6: 3,843,468 km (0.103 R)
• M7: 5,415,144 km (0.076 R)
• M8: 5,896,250 km (0.046 R)
• M9: 6,845,000 km (0.084 R)
• M10: 7,702,495 km (0.078 R)
• M11: 8,228,032 km (0.103 R)
• M12: 9,228,543 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.7

Radius: 11.8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.08 AU - 3.32 AU

Year: 2910 Days

Day: 10.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,547,197 km

• M1: 150,346 km (0.041 R)
• M2: 680,521 km (0.033 R)
• M3: 1,241,513 km (0.105 R)
• M4: 1,878,201 km (0.09 R)
• M5: 2,850,438 km (0.105 R)
• M6: 3,417,264 km (0.106 R)
• M7: 3,789,015 km (0.088 R)
• M8: 4,736,568 km (0.067 R)
• M9: 6,172,109 km (0.092 R)
• M10: 10,397,351 km (0.112 R)
• M11: 11,743,732 km (0.046 R)
• M12: 12,637,430 km (0.074 R)
• M13: 14,169,611 km (0.101 R)
• M14: 14,692,156 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932

Radius: 14.9

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.49 AU - 3.69 AU

Year: 3563 Days

Day: 12.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,547,197 km

• M1: 185,352 km (0.106 R)
• M2: 651,200 km (0.105 R)
• M3: 1,181,973 km (0.094 R)
• M4: 1,844,093 km (0.12 R)
• M5: 2,307,846 km (0.062 R)
• M6: 2,799,575 km (0.086 R)
• M7: 3,439,853 km (0.101 R)
• M8: 4,791,171 km (0.063 R)
• M9: 6,381,995 km (0.098 R)
• M10: 7,299,030 km (0.077 R)
• M11: 8,051,956 km (0.064 R)
• M12: 8,594,697 km (0.111 R)
• M13: 9,834,863 km (0.069 R)
• M14: 11,414,168 km (0.087 R)
• M15: 14,118,000 km (0.094 R)
• M16: 15,898,065 km (0.104 R)
• M17: 18,189,755 km (0.12 R)
• M18: 19,965,781 km (0.115 R)
• M19: 21,235,119 km (0.062 R)
• M20: 22,628,623 km (0.069 R)
• M21: 23,348,039 km (0.12 R)
• M22: 25,060,336 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.3

Radius: 11.3

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.45 AU - 3.83 AU

Year: 3650 Days

Day: 5.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,547,197 km

• M1: 140,472 km (0.068 R)
• M2: 828,323 km (0.083 R)
• M3: 1,384,678 km (0.054 R)
• M4: 2,469,861 km (0.09 R)
• M5: 2,961,439 km (0.054 R)
• M6: 5,614,857 km (0.091 R)
• M7: 8,968,093 km (0.081 R)
• M8: 10,690,713 km (0.104 R)
• M9: 11,131,428 km (0.101 R)
• M10: 11,815,389 km (0.074 R)
• M11: 12,819,640 km (0.084 R)
• M12: 13,418,480 km (0.107 R)
• M13: 14,298,864 km (0.085 R)
• M14: 18,396,349 km (0.114 R)
• M15: 25,096,838 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.8

Radius: 14.7

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.69 AU - 5.99 AU

Year: 6985 Days

Day: 6.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,547,197 km

• M1: 184,305 km (0.082 R)
• M2: 864,227 km (0.04 R)
• M3: 1,426,864 km (0.095 R)
• M4: 2,456,098 km (0.102 R)
• M5: 4,554,806 km (0.06 R)
• M6: 5,236,524 km (0.097 R)
• M7: 9,765,300 km (0.053 R)
• M8: 11,503,777 km (0.031 R)
• M9: 12,339,431 km (0.1 R)
• M10: 15,965,384 km (0.097 R)
• M11: 16,480,001 km (0.109 R)
• M12: 18,579,756 km (0.104 R)
• M13: 20,323,768 km (0.093 R)
• M14: 21,081,781 km (0.069 R)
• M15: 24,304,119 km (0.114 R)
• M16: 26,298,857 km (0.104 R)
• M17: 27,657,206 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.1

Radius: 4.6

Gravity: 26.9 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 6.03 AU - 7.49 AU

Year: 11530 Days

Day: 17.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,547,197 km

• M1: 66,421 km (0.12 R)
• M2: 287,677 km (0.057 R)
• M3: 699,520 km (0.064 R)
• M4: 1,663,678 km (0.09 R)
• M5: 2,197,294 km (0.036 R)
• M6: 5,261,208 km (0.071 R)
• M7: 7,466,879 km (0.102 R)
• M8: 9,914,449 km (0.093 R)
• M9: 10,067,189 km (0.06 R)
• M10: 13,461,116 km (0.12 R)
• M11: 15,825,360 km (0.058 R)
• M12: 25,586,621 km (0.08 R)
• M13: 27,145,282 km (0.053 R)
• M14: 29,076,889 km (0.079 R)
• M15: 32,310,597 km (0.045 R)
• M16: 36,015,239 km (0.117 R)
• M17: 41,955,022 km (0.048 R)
• M18: 48,368,881 km (0.093 R)
• M19: 48,661,644 km (0.071 R)
• M20: 48,808,549 km (0.044 R)
• M21: 49,250,910 km (0.102 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 17,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit