🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.8

Radius: 10.7

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.44 AU - 0.6 AU

Year: 250 Days

Day: 12.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 65.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,057,306 km

• M1: 133,292 km (0.112 R)
• M2: 523,742 km (0.115 R)
• M3: 897,138 km (0.118 R)
• M4: 1,284,747 km (0.087 R)
• M5: 1,687,464 km (0.087 R)
• M6: 2,027,350 km (0.081 R)
• M7: 2,444,429 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.1

Radius: 8.4

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.53 AU - 0.69 AU

Year: 318 Days

Day: 8.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,057,306 km

• M1: 104,719 km (0.096 R)
• M2: 386,411 km (0.057 R)
• M3: 845,826 km (0.108 R)
• M4: 1,250,189 km (0.114 R)
• M5: 1,598,603 km (0.098 R)
• M6: 2,146,430 km (0.099 R)
• M7: 2,460,287 km (0.106 R)
• M8: 2,768,009 km (0.082 R)
• M9: 3,314,042 km (0.042 R)
• M10: 3,701,949 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.9

Radius: 10

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.84 AU - 2.96 AU

Year: 2479 Days

Day: 6.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,057,306 km

• M1: 124,316 km (0.087 R)
• M2: 452,085 km (0.059 R)
• M3: 791,522 km (0.059 R)
• M4: 1,130,661 km (0.047 R)
• M5: 1,498,073 km (0.106 R)
• M6: 1,921,884 km (0.108 R)
• M7: 2,467,018 km (0.069 R)
• M8: 3,062,867 km (0.097 R)
• M9: 4,455,773 km (0.107 R)
• M10: 5,150,206 km (0.105 R)
• M11: 5,511,335 km (0.061 R)
• M12: 5,863,638 km (0.109 R)
• M13: 8,014,856 km (0.108 R)
• M14: 8,435,076 km (0.054 R)
• M15: 9,284,792 km (0.107 R)
• M16: 9,712,492 km (0.111 R)
• M17: 12,219,603 km (0.079 R)
• M18: 14,599,256 km (0.109 R)
• M19: 15,722,287 km (0.06 R)
• M20: 18,921,887 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.8

Radius: 10.6

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.44 AU - 3.84 AU

Year: 4631 Days

Day: 12.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,057,306 km

• M1: 151,991 km (0.104 R)
• M2: 489,185 km (0.118 R)
• M3: 1,440,627 km (0.076 R)
• M4: 2,154,209 km (0.073 R)
• M5: 2,680,794 km (0.106 R)
• M6: 3,308,656 km (0.065 R)
• M7: 3,894,930 km (0.083 R)
• M8: 4,679,721 km (0.094 R)
• M9: 5,395,397 km (0.105 R)
• M10: 6,024,456 km (0.102 R)
• M11: 6,562,260 km (0.1 R)
• M12: 7,044,414 km (0.118 R)
• M13: 8,304,926 km (0.062 R)
• M14: 11,959,901 km (0.098 R)
• M15: 15,456,452 km (0.064 R)
• M16: 15,955,660 km (0.116 R)
• M17: 17,250,729 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.1

Radius: 9.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.13 AU - 6.75 AU

Year: 8461 Days

Day: 12 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,057,306 km

• M1: 121,623 km (0.117 R)
• M2: 838,646 km (0.117 R)
• M3: 1,309,430 km (0.088 R)
• M4: 1,765,853 km (0.052 R)
• M5: 2,787,906 km (0.083 R)
• M6: 3,708,382 km (0.055 R)
• M7: 4,238,856 km (0.104 R)
• M8: 5,481,565 km (0.112 R)
• M9: 7,645,798 km (0.118 R)
• M10: 8,345,018 km (0.08 R)
• M11: 10,371,920 km (0.053 R)
• M12: 11,375,871 km (0.118 R)
• M13: 15,615,026 km (0.096 R)
• M14: 19,148,527 km (0.069 R)
• M15: 21,325,625 km (0.1 R)
• M16: 21,703,958 km (0.065 R)
• M17: 25,144,111 km (0.118 R)
• M18: 27,480,680 km (0.1 R)
• M19: 29,302,333 km (0.083 R)
• M20: 31,397,452 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.2

Radius: 6.3

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.28 AU - 7.54 AU

Year: 13451 Days

Day: 19.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,057,306 km

• M1: 78,389 km (0.113 R)
• M2: 1,187,209 km (0.112 R)
• M3: 1,940,584 km (0.079 R)
• M4: 2,258,180 km (0.098 R)
• M5: 2,820,817 km (0.064 R)
• M6: 4,306,773 km (0.105 R)
• M7: 6,213,996 km (0.084 R)
• M8: 6,476,840 km (0.1 R)
• M9: 6,825,852 km (0.089 R)
• M10: 7,477,051 km (0.058 R)
• M11: 8,124,361 km (0.114 R)
• M12: 8,761,798 km (0.098 R)
• M13: 9,779,512 km (0.1 R)
• M14: 12,575,496 km (0.112 R)
• M15: 16,928,944 km (0.116 R)
• M16: 24,719,851 km (0.099 R)
• M17: 26,639,192 km (0.096 R)
• M18: 29,806,927 km (0.086 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 11,228 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit