🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.7

Radius: 11.7

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.68 AU - 0.94 AU

Year: 464 Days

Day: 12.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,570,278 km

• M1: 145,708 km (0.108 R)
• M2: 578,046 km (0.076 R)
• M3: 1,086,380 km (0.075 R)
• M4: 1,530,835 km (0.068 R)
• M5: 2,177,846 km (0.09 R)
• M6: 2,561,265 km (0.084 R)
• M7: 3,052,245 km (0.086 R)
• M8: 3,784,377 km (0.118 R)
• M9: 4,186,048 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.5

Radius: 10.8

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.28 AU - 4.82 AU

Year: 5182 Days

Day: 8.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,570,278 km

• M1: 134,339 km (0.095 R)
• M2: 541,544 km (0.041 R)
• M3: 935,884 km (0.116 R)
• M4: 1,377,497 km (0.088 R)
• M5: 1,791,584 km (0.094 R)
• M6: 2,766,065 km (0.118 R)
• M7: 3,186,883 km (0.112 R)
• M8: 4,506,037 km (0.059 R)
• M9: 5,403,325 km (0.102 R)
• M10: 6,984,276 km (0.089 R)
• M11: 7,441,596 km (0.076 R)
• M12: 7,806,914 km (0.111 R)
• M13: 8,494,765 km (0.068 R)
• M14: 9,347,773 km (0.109 R)
• M15: 9,687,360 km (0.033 R)
• M16: 10,079,306 km (0.079 R)
• M17: 15,236,094 km (0.091 R)
• M18: 15,886,695 km (0.087 R)
• M19: 17,116,839 km (0.046 R)
• M20: 18,608,778 km (0.063 R)
• M21: 22,906,276 km (0.111 R)
• M22: 25,284,733 km (0.082 R)
• M23: 26,873,612 km (0.09 R)
• M24: 28,528,015 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.2

Radius: 13

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.14 AU - 5.06 AU

Year: 6273 Days

Day: 7.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,570,278 km

• M1: 161,865 km (0.091 R)
• M2: 629,209 km (0.107 R)
• M3: 1,072,766 km (0.043 R)
• M4: 1,673,103 km (0.106 R)
• M5: 2,655,063 km (0.115 R)
• M6: 3,667,093 km (0.1 R)
• M7: 5,209,297 km (0.118 R)
• M8: 5,732,890 km (0.074 R)
• M9: 7,348,547 km (0.094 R)
• M10: 8,152,934 km (0.098 R)
• M11: 9,171,097 km (0.114 R)
• M12: 9,731,491 km (0.062 R)
• M13: 10,789,298 km (0.105 R)
• M14: 11,414,318 km (0.116 R)
• M15: 16,604,466 km (0.106 R)
• M16: 17,077,644 km (0.101 R)
• M17: 19,842,961 km (0.041 R)
• M18: 20,782,136 km (0.117 R)
• M19: 21,262,794 km (0.105 R)
• M20: 22,821,604 km (0.109 R)
• M21: 26,485,555 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.8

Radius: 11.9

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.01 AU - 6.07 AU

Year: 8291 Days

Day: 14.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,570,278 km

• M1: 147,952 km (0.101 R)
• M2: 535,860 km (0.077 R)
• M3: 1,302,399 km (0.079 R)
• M4: 2,119,054 km (0.108 R)
• M5: 3,093,385 km (0.091 R)
• M6: 3,608,001 km (0.065 R)
• M7: 4,044,229 km (0.111 R)
• M8: 4,631,999 km (0.072 R)
• M9: 6,518,578 km (0.07 R)
• M10: 7,248,466 km (0.087 R)
• M11: 8,645,111 km (0.084 R)
• M12: 10,365,337 km (0.118 R)
• M13: 11,039,276 km (0.117 R)
• M14: 11,908,738 km (0.058 R)
• M15: 13,539,505 km (0.032 R)
• M16: 17,818,154 km (0.104 R)
• M17: 20,182,997 km (0.075 R)
• M18: 22,237,125 km (0.109 R)
• M19: 24,067,305 km (0.11 R)
• M20: 29,538,399 km (0.099 R)
• M21: 30,367,171 km (0.108 R)
• M22: 31,318,015 km (0.081 R)
• M23: 32,397,812 km (0.092 R)
• M24: 34,517,315 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.4

Radius: 4.1

Gravity: 17.28 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.92 AU - 9.62 AU

Year: 13771 Days

Day: 17.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,570,278 km

• M1: 51,013 km (0.065 R)
• M2: 229,932 km (0.093 R)
• M3: 386,262 km (0.11 R)
• M4: 1,049,429 km (0.099 R)
• M5: 1,289,384 km (0.102 R)
• M6: 1,469,201 km (0.08 R)
• M7: 1,976,188 km (0.037 R)
• M8: 3,541,430 km (0.105 R)
• M9: 3,817,588 km (0.069 R)
• M10: 6,346,989 km (0.115 R)
• M11: 6,906,485 km (0.097 R)
• M12: 7,661,805 km (0.11 R)
• M13: 11,612,385 km (0.109 R)
• M14: 12,333,596 km (0.069 R)
• M15: 12,676,325 km (0.061 R)
• M16: 15,850,642 km (0.102 R)
• M17: 16,119,919 km (0.096 R)
• M18: 16,460,852 km (0.09 R)
• M19: 17,655,989 km (0.065 R)
• M20: 19,363,350 km (0.093 R)
• M21: 24,418,262 km (0.076 R)
• M22: 26,911,759 km (0.118 R)
• M23: 27,488,010 km (0.094 R)
• M24: 27,876,666 km (0.066 R)
• M25: 34,492,033 km (0.031 R)
• M26: 44,436,851 km (0.115 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 149 - 18,840 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit