🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.36 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824

Radius: 11.1

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.22 AU - 3.2 AU

Year: 2975 Days

Day: 6.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,846,550 km

• M1: 138,079 km (0.112 R)
• M2: 607,667 km (0.119 R)
• M3: 1,025,493 km (0.107 R)
• M4: 1,386,922 km (0.117 R)
• M5: 1,763,609 km (0.097 R)
• M6: 2,264,912 km (0.118 R)
• M7: 2,666,582 km (0.052 R)
• M8: 3,168,632 km (0.108 R)
• M9: 4,103,470 km (0.032 R)
• M10: 5,113,554 km (0.067 R)
• M11: 5,974,341 km (0.079 R)
• M12: 6,659,200 km (0.118 R)
• M13: 7,491,413 km (0.081 R)
• M14: 7,882,910 km (0.092 R)
• M15: 8,707,194 km (0.082 R)
• M16: 9,177,081 km (0.089 R)
• M17: 10,812,186 km (0.11 R)
• M18: 11,228,517 km (0.075 R)
• M19: 13,665,167 km (0.048 R)
• M20: 14,650,867 km (0.112 R)
• M21: 16,708,736 km (0.062 R)
• M22: 17,378,934 km (0.082 R)
• M23: 18,417,742 km (0.072 R)
• M24: 19,497,390 km (0.118 R)
• M25: 20,618,925 km (0.119 R)
• M26: 21,130,849 km (0.096 R)
• M27: 21,585,776 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.5

Radius: 12.7

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.74 AU - 3.48 AU

Year: 3657 Days

Day: 7.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 73.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,846,550 km

• M1: 157,975 km (0.043 R)
• M2: 663,018 km (0.106 R)
• M3: 1,180,327 km (0.038 R)
• M4: 1,594,713 km (0.097 R)
• M5: 2,637,710 km (0.059 R)
• M6: 3,201,544 km (0.118 R)
• M7: 4,438,569 km (0.076 R)
• M8: 5,043,692 km (0.1 R)
• M9: 5,546,042 km (0.108 R)
• M10: 6,081,752 km (0.085 R)
• M11: 7,257,591 km (0.074 R)
• M12: 7,670,780 km (0.106 R)
• M13: 8,066,018 km (0.116 R)
• M14: 8,969,739 km (0.115 R)
• M15: 9,371,858 km (0.104 R)
• M16: 12,176,369 km (0.107 R)
• M17: 13,746,100 km (0.112 R)
• M18: 18,139,340 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.7

Radius: 14.3

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.58 AU - 5.08 AU

Year: 7079 Days

Day: 10 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,846,550 km

• M1: 178,620 km (0.097 R)
• M2: 750,233 km (0.03 R)
• M3: 1,725,163 km (0.105 R)
• M4: 3,333,639 km (0.056 R)
• M5: 4,865,222 km (0.091 R)
• M6: 6,100,452 km (0.069 R)
• M7: 6,622,698 km (0.119 R)
• M8: 13,459,620 km (0.065 R)
• M9: 14,066,538 km (0.114 R)
• M10: 16,059,032 km (0.112 R)
• M11: 17,251,178 km (0.112 R)
• M12: 18,704,521 km (0.074 R)
• M13: 29,275,256 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.7

Radius: 14.3

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.77 AU - 6.31 AU

Year: 8695 Days

Day: 10.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,846,550 km

• M1: 177,872 km (0.065 R)
• M2: 928,255 km (0.06 R)
• M3: 1,404,574 km (0.072 R)
• M4: 2,570,241 km (0.114 R)
• M5: 3,230,865 km (0.114 R)
• M6: 3,770,614 km (0.11 R)
• M7: 4,433,931 km (0.113 R)
• M8: 5,033,669 km (0.056 R)
• M9: 5,487,998 km (0.084 R)
• M10: 6,535,033 km (0.102 R)
• M11: 8,750,578 km (0.042 R)
• M12: 9,339,545 km (0.061 R)
• M13: 10,791,392 km (0.036 R)
• M14: 11,267,263 km (0.081 R)
• M15: 13,402,623 km (0.12 R)
• M16: 17,254,469 km (0.066 R)
• M17: 18,071,722 km (0.051 R)
• M18: 18,518,122 km (0.039 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.8

Radius: 3.9

Gravity: 19.97 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.27 AU - 6.99 AU

Year: 11384 Days

Day: 21.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,846,550 km

• M1: 49,517 km (0.105 R)
• M2: 191,036 km (0.112 R)
• M3: 312,959 km (0.098 R)
• M4: 460,911 km (0.106 R)
• M5: 1,968,259 km (0.081 R)
• M6: 2,732,106 km (0.087 R)
• M7: 4,050,662 km (0.114 R)
• M8: 4,450,537 km (0.04 R)
• M9: 4,818,099 km (0.059 R)
• M10: 6,178,093 km (0.058 R)
• M11: 6,527,553 km (0.104 R)
• M12: 7,076,428 km (0.061 R)
• M13: 7,420,054 km (0.104 R)
• M14: 7,895,476 km (0.069 R)
• M15: 9,766,497 km (0.106 R)
• M16: 14,234,985 km (0.117 R)
• M17: 17,799,304 km (0.12 R)
• M18: 18,720,827 km (0.084 R)
• M19: 20,813,103 km (0.102 R)
• M20: 24,407,491 km (0.054 R)
• M21: 25,900,328 km (0.118 R)
• M22: 26,350,618 km (0.116 R)
• M23: 29,260,147 km (0.102 R)
• M24: 30,741,914 km (0.069 R)
• M25: 38,905,769 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.3

Radius: 3.9

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.93 AU - 10.27 AU

Year: 19835 Days

Day: 18.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,846,550 km

• M1: 48,470 km (0.101 R)
• M2: 335,398 km (0.114 R)
• M3: 557,850 km (0.116 R)
• M4: 1,599,201 km (0.1 R)
• M5: 2,908,033 km (0.11 R)
• M6: 3,128,391 km (0.109 R)
• M7: 5,023,496 km (0.115 R)
• M8: 5,459,724 km (0.114 R)
• M9: 9,721,169 km (0.093 R)
• M10: 10,628,929 km (0.105 R)
• M11: 12,402,561 km (0.084 R)
• M12: 12,611,101 km (0.117 R)
• M13: 16,649,046 km (0.059 R)
• M14: 18,076,808 km (0.103 R)
• M15: 20,658,568 km (0.097 R)
• M16: 21,771,726 km (0.11 R)
• M17: 23,238,384 km (0.067 R)
• M18: 31,278,222 km (0.079 R)
• M19: 32,054,037 km (0.091 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 14,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit