🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.3

Radius: 10.9

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.72 AU - 1.02 AU

Year: 550 Days

Day: 13.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,844,503 km

• M1: 135,536 km (0.115 R)
• M2: 567,425 km (0.083 R)
• M3: 1,592,918 km (0.094 R)
• M4: 2,154,957 km (0.045 R)
• M5: 2,600,161 km (0.088 R)
• M6: 3,028,609 km (0.057 R)
• M7: 3,491,913 km (0.05 R)
• M8: 3,922,606 km (0.11 R)
• M9: 4,261,894 km (0.089 R)
• M10: 4,709,790 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.8

Radius: 9.2

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.96 AU - 2.14 AU

Year: 1991 Days

Day: 9.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,844,503 km

• M1: 114,742 km (0.03 R)
• M2: 422,464 km (0.048 R)
• M3: 777,909 km (0.095 R)
• M4: 1,200,373 km (0.047 R)
• M5: 1,772,136 km (0.107 R)
• M6: 2,407,030 km (0.051 R)
• M7: 3,043,269 km (0.083 R)
• M8: 3,722,593 km (0.077 R)
• M9: 4,229,281 km (0.082 R)
• M10: 4,762,149 km (0.099 R)
• M11: 6,119,600 km (0.118 R)
• M12: 6,561,063 km (0.106 R)
• M13: 8,178,815 km (0.09 R)
• M14: 8,686,251 km (0.093 R)
• M15: 10,497,731 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.4

Radius: 14.7

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.16 AU - 4.4 AU

Year: 4985 Days

Day: 13.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,844,503 km

• M1: 183,856 km (0.115 R)
• M2: 1,071,869 km (0.082 R)
• M3: 6,083,547 km (0.104 R)
• M4: 8,552,211 km (0.054 R)
• M5: 10,446,569 km (0.101 R)
• M6: 11,358,069 km (0.091 R)
• M7: 12,896,982 km (0.059 R)
• M8: 13,792,924 km (0.104 R)
• M9: 14,413,007 km (0.091 R)
• M10: 15,432,965 km (0.101 R)
• M11: 23,090,581 km (0.055 R)
• M12: 23,671,769 km (0.096 R)
• M13: 25,320,337 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.8

Radius: 13

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.68 AU - 4.3 AU

Year: 5406 Days

Day: 12.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,844,503 km

• M1: 161,715 km (0.106 R)
• M2: 649,704 km (0.115 R)
• M3: 1,073,514 km (0.114 R)
• M4: 1,882,689 km (0.109 R)
• M5: 2,446,224 km (0.093 R)
• M6: 2,962,935 km (0.098 R)
• M7: 3,591,695 km (0.044 R)
• M8: 5,348,273 km (0.104 R)
• M9: 6,579,464 km (0.102 R)
• M10: 7,008,511 km (0.088 R)
• M11: 7,821,575 km (0.117 R)
• M12: 8,268,574 km (0.036 R)
• M13: 9,064,285 km (0.083 R)
• M14: 10,850,633 km (0.097 R)
• M15: 11,495,100 km (0.079 R)
• M16: 13,830,174 km (0.111 R)
• M17: 14,951,559 km (0.031 R)
• M18: 16,916,378 km (0.052 R)
• M19: 19,796,436 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.7

Radius: 9.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.29 AU - 5.17 AU

Year: 6977 Days

Day: 5.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,844,503 km

• M1: 113,246 km (0.102 R)
• M2: 549,174 km (0.086 R)
• M3: 846,275 km (0.105 R)
• M4: 1,347,428 km (0.102 R)
• M5: 2,765,765 km (0.034 R)
• M6: 3,996,208 km (0.076 R)
• M7: 4,289,420 km (0.099 R)
• M8: 5,481,864 km (0.091 R)
• M9: 6,476,092 km (0.041 R)
• M10: 8,438,816 km (0.116 R)
• M11: 9,281,201 km (0.086 R)
• M12: 9,611,214 km (0.109 R)
• M13: 10,529,745 km (0.115 R)
• M14: 12,990,032 km (0.068 R)
• M15: 14,304,848 km (0.076 R)
• M16: 15,500,733 km (0.096 R)
• M17: 16,870,152 km (0.091 R)
• M18: 18,780,367 km (0.112 R)
• M19: 19,427,976 km (0.109 R)
• M20: 20,396,622 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.9

Radius: 3.7

Gravity: 29.65 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.55 AU - 6.65 AU

Year: 10218 Days

Day: 24.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 121.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 40,844,503 km

• M1: 47,273 km (0.032 R)
• M2: 253,568 km (0.085 R)
• M3: 486,343 km (0.073 R)
• M4: 903,721 km (0.11 R)
• M5: 1,203,515 km (0.103 R)
• M6: 1,539,063 km (0.108 R)
• M7: 1,678,039 km (0.064 R)
• M8: 1,871,320 km (0.066 R)
• M9: 2,129,376 km (0.114 R)
• M10: 3,521,384 km (0.106 R)
• M11: 3,739,049 km (0.07 R)
• M12: 3,863,814 km (0.059 R)
• M13: 3,991,271 km (0.062 R)
• M14: 4,201,307 km (0.105 R)
• M15: 5,300,402 km (0.108 R)
• M16: 5,426,214 km (0.067 R)
• M17: 5,586,284 km (0.05 R)
• M18: 8,298,044 km (0.096 R)
• M19: 8,770,624 km (0.064 R)
• M20: 9,582,492 km (0.074 R)
• M21: 9,911,308 km (0.118 R)
• M22: 12,537,798 km (0.034 R)
• M23: 18,963,624 km (0.099 R)
• M24: 20,778,546 km (0.068 R)
• M25: 21,567,824 km (0.102 R)
• M26: 27,565,652 km (0.094 R)
• M27: 32,336,178 km (0.108 R)
• M28: 35,025,649 km (0.116 R)
• M29: 37,281,734 km (0.026 R)
• M30: 38,445,157 km (0.115 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 10,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit