🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.5

Radius: 11.9

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.61 AU - 0.89 AU

Year: 433 Days

Day: 7.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,380,478 km

• M1: 147,952 km (0.098 R)
• M2: 646,861 km (0.075 R)
• M3: 1,344,586 km (0.111 R)
• M4: 2,030,193 km (0.092 R)
• M5: 3,341,418 km (0.105 R)
• M6: 3,808,014 km (0.09 R)
• M7: 4,234,517 km (0.067 R)
• M8: 4,782,644 km (0.111 R)
• M9: 5,525,547 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.5

Radius: 11.3

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.83 AU - 0.91 AU

Year: 541 Days

Day: 13 Hours

Environment

Temp: -173 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,380,478 km

• M1: 140,472 km (0.094 R)
• M2: 512,074 km (0.116 R)
• M3: 883,525 km (0.113 R)
• M4: 1,289,085 km (0.111 R)
• M5: 1,658,143 km (0.093 R)
• M6: 2,011,343 km (0.051 R)
• M7: 2,395,959 km (0.087 R)
• M8: 2,841,163 km (0.104 R)
• M9: 3,328,852 km (0.112 R)
• M10: 3,913,181 km (0.055 R)
• M11: 4,458,914 km (0.071 R)
• M12: 4,861,033 km (0.105 R)
• M13: 5,372,359 km (0.116 R)
• M14: 6,348,784 km (0.117 R)
• M15: 6,779,028 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.1

Radius: 8.5

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.8 AU - 1.02 AU

Year: 579 Days

Day: 7.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,380,478 km

• M1: 106,214 km (0.12 R)
• M2: 434,582 km (0.115 R)
• M3: 701,913 km (0.081 R)
• M4: 1,163,273 km (0.077 R)
• M5: 1,663,080 km (0.072 R)
• M6: 2,162,288 km (0.067 R)
• M7: 2,541,817 km (0.087 R)
• M8: 3,194,064 km (0.102 R)
• M9: 3,926,495 km (0.043 R)
• M10: 4,766,338 km (0.116 R)
• M11: 5,862,142 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.1

Radius: 14.6

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.83 AU - 1.07 AU

Year: 617 Days

Day: 7.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,380,478 km

• M1: 181,612 km (0.108 R)
• M2: 712,235 km (0.086 R)
• M3: 1,233,734 km (0.067 R)
• M4: 1,759,121 km (0.103 R)
• M5: 2,313,082 km (0.107 R)
• M6: 2,818,873 km (0.117 R)
• M7: 3,492,063 km (0.106 R)
• M8: 3,984,240 km (0.081 R)
• M9: 4,523,092 km (0.071 R)
• M10: 5,216,328 km (0.05 R)
• M11: 6,297,322 km (0.12 R)
• M12: 6,773,941 km (0.075 R)
• M13: 7,296,935 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.1

Radius: 14.7

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.31 AU - 1.81 AU

Year: 1299 Days

Day: 8.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,380,478 km

• M1: 182,809 km (0.094 R)
• M2: 671,395 km (0.112 R)
• M3: 1,499,270 km (0.058 R)
• M4: 2,016,878 km (0.047 R)
• M5: 3,698,807 km (0.11 R)
• M6: 4,625,865 km (0.104 R)
• M7: 5,144,970 km (0.112 R)
• M8: 6,206,516 km (0.051 R)
• M9: 6,840,063 km (0.105 R)
• M10: 8,615,042 km (0.044 R)
• M11: 10,012,585 km (0.057 R)
• M12: 13,293,865 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.2

Radius: 11.6

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.25 AU - 2.83 AU

Year: 2699 Days

Day: 7 Hours

Environment

Temp: -214 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 18,380,478 km

• M1: 144,212 km (0.042 R)
• M2: 540,796 km (0.073 R)
• M3: 1,028,336 km (0.037 R)
• M4: 1,527,693 km (0.096 R)
• M5: 2,021,366 km (0.101 R)
• M6: 2,460,137 km (0.114 R)
• M7: 2,914,017 km (0.09 R)
• M8: 3,334,686 km (0.106 R)
• M9: 3,972,272 km (0.082 R)
• M10: 4,535,209 km (0.114 R)
• M11: 5,441,922 km (0.101 R)
• M12: 6,110,923 km (0.119 R)
• M13: 6,719,039 km (0.032 R)
• M14: 7,928,238 km (0.117 R)
• M15: 8,652,442 km (0.088 R)
• M16: 11,011,450 km (0.084 R)
• M17: 12,468,683 km (0.104 R)
• M18: 14,671,213 km (0.12 R)
• M19: 15,459,893 km (0.078 R)
• M20: 16,380,668 km (0.11 R)
• M21: 19,479,737 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.6

Radius: 11.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.34 AU - 3.42 AU

Year: 3259 Days

Day: 13 Hours

Environment

Temp: -204 °C

Axial Tilt: 103.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,380,478 km

• M1: 146,756 km (0.102 R)
• M2: 555,606 km (0.117 R)
• M3: 1,155,195 km (0.045 R)
• M4: 2,051,884 km (0.034 R)
• M5: 2,481,081 km (0.07 R)
• M6: 3,470,521 km (0.116 R)
• M7: 4,285,530 km (0.041 R)
• M8: 5,981,820 km (0.089 R)
• M9: 6,374,216 km (0.051 R)
• M10: 9,944,967 km (0.108 R)
• M11: 10,422,484 km (0.087 R)
• M12: 11,344,605 km (0.103 R)
• M13: 11,947,933 km (0.1 R)
• M14: 14,023,454 km (0.075 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 18,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit