🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.3

Radius: 9.4

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.46 AU - 1.94 AU

Year: 1503 Days

Day: 5.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,687,705 km

• M1: 119,080 km (0.037 R)
• M2: 428,299 km (0.082 R)
• M3: 731,833 km (0.113 R)
• M4: 2,057,120 km (0.111 R)
• M5: 3,069,300 km (0.108 R)
• M6: 3,755,804 km (0.119 R)
• M7: 4,461,906 km (0.066 R)
• M8: 5,683,672 km (0.079 R)
• M9: 6,460,384 km (0.059 R)
• M10: 6,980,835 km (0.097 R)
• M11: 8,680,267 km (0.116 R)
• M12: 9,281,949 km (0.114 R)
• M13: 9,709,500 km (0.112 R)
• M14: 10,746,213 km (0.116 R)
• M15: 12,836,245 km (0.066 R)
• M16: 13,202,311 km (0.074 R)
• M17: 13,575,259 km (0.113 R)
• M18: 14,825,448 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.8

Radius: 14.7

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.54 AU - 5.3 AU

Year: 6303 Days

Day: 5.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,687,705 km

• M1: 182,809 km (0.086 R)
• M2: 2,782,221 km (0.09 R)
• M3: 3,500,590 km (0.095 R)
• M4: 4,808,973 km (0.12 R)
• M5: 6,305,101 km (0.11 R)
• M6: 8,374,190 km (0.082 R)
• M7: 9,256,368 km (0.04 R)
• M8: 10,281,114 km (0.112 R)
• M9: 10,779,125 km (0.108 R)
• M10: 17,375,344 km (0.099 R)
• M11: 18,023,701 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.6

Radius: 13.2

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.4 AU - 5.58 AU

Year: 6453 Days

Day: 11.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,687,705 km

• M1: 164,109 km (0.073 R)
• M2: 583,880 km (0.098 R)
• M3: 1,029,682 km (0.059 R)
• M4: 1,502,711 km (0.072 R)
• M5: 2,494,245 km (0.076 R)
• M6: 5,526,893 km (0.094 R)
• M7: 10,967,469 km (0.119 R)
• M8: 13,035,210 km (0.09 R)
• M9: 17,147,357 km (0.06 R)
• M10: 18,600,401 km (0.05 R)
• M11: 31,535,979 km (0.068 R)
• M12: 32,022,023 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.4

Radius: 11.9

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.15 AU - 6.51 AU

Year: 8346 Days

Day: 11.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,687,705 km

• M1: 148,999 km (0.115 R)
• M2: 621,878 km (0.118 R)
• M3: 1,350,719 km (0.102 R)
• M4: 3,683,698 km (0.041 R)
• M5: 7,989,125 km (0.057 R)
• M6: 11,208,920 km (0.077 R)
• M7: 13,876,250 km (0.045 R)
• M8: 16,496,008 km (0.114 R)
• M9: 21,242,898 km (0.032 R)
• M10: 23,245,714 km (0.118 R)
• M11: 27,713,155 km (0.06 R)
• M12: 28,982,343 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.2

Radius: 4.6

Gravity: 29.59 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.63 AU - 6.41 AU

Year: 10018 Days

Day: 18.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 36,687,705 km

• M1: 58,493 km (0.097 R)
• M2: 204,949 km (0.091 R)
• M3: 366,365 km (0.104 R)
• M4: 856,149 km (0.08 R)
• M5: 1,837,660 km (0.055 R)
• M6: 2,337,916 km (0.101 R)
• M7: 2,529,999 km (0.106 R)
• M8: 4,324,575 km (0.049 R)
• M9: 4,497,211 km (0.07 R)
• M10: 4,764,692 km (0.074 R)
• M11: 4,917,880 km (0.077 R)
• M12: 5,201,817 km (0.116 R)
• M13: 7,464,036 km (0.113 R)
• M14: 7,754,705 km (0.112 R)
• M15: 8,009,769 km (0.08 R)
• M16: 8,403,062 km (0.045 R)
• M17: 8,808,921 km (0.117 R)
• M18: 9,806,888 km (0.098 R)
• M19: 11,037,032 km (0.12 R)
• M20: 13,069,768 km (0.108 R)
• M21: 13,861,290 km (0.116 R)
• M22: 16,288,366 km (0.118 R)
• M23: 18,679,538 km (0.116 R)
• M24: 19,061,162 km (0.104 R)
• M25: 21,212,080 km (0.084 R)
• M26: 24,324,315 km (0.107 R)
• M27: 26,178,431 km (0.039 R)
• M28: 26,945,718 km (0.109 R)
• M29: 27,530,945 km (0.057 R)
• M30: 27,826,700 km (0.108 R)
• M31: 28,025,067 km (0.099 R)
• M32: 28,726,681 km (0.107 R)
• M33: 30,374,352 km (0.117 R)
• M34: 34,537,960 km (0.113 R)
• M35: 36,636,519 km (0.114 R)
• M36: 40,447,375 km (0.041 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.9

Radius: 6.2

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.55 AU - 8.43 AU

Year: 13903 Days

Day: 20.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,687,705 km

• M1: 130,001 km (0.097 R)
• M2: 2,248,755 km (0.097 R)
• M3: 3,548,461 km (0.074 R)
• M4: 6,201,430 km (0.106 R)
• M5: 9,275,068 km (0.105 R)
• M6: 11,844,411 km (0.109 R)
• M7: 17,651,950 km (0.087 R)
• M8: 18,472,495 km (0.062 R)
• M9: 20,042,225 km (0.089 R)
• M10: 22,879,498 km (0.056 R)
• M11: 23,689,870 km (0.101 R)
• M12: 24,351,990 km (0.056 R)
• M13: 27,123,740 km (0.104 R)
• M14: 30,973,042 km (0.115 R)
• M15: 36,141,350 km (0.095 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 13,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit