🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555

Radius: 13.2

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.5 AU - 0.52 AU

Year: 251 Days

Day: 7.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 25,903,489 km

• M1: 164,109 km (0.062 R)
• M2: 668,403 km (0.109 R)
• M3: 1,135,448 km (0.079 R)
• M4: 1,675,795 km (0.038 R)
• M5: 2,151,217 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.5

Radius: 12.6

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.49 AU - 0.59 AU

Year: 274 Days

Day: 5.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,903,489 km

• M1: 156,779 km (0.114 R)
• M2: 671,844 km (0.1 R)
• M3: 1,116,748 km (0.09 R)
• M4: 2,041,263 km (0.099 R)
• M5: 2,509,654 km (0.051 R)
• M6: 2,932,118 km (0.073 R)
• M7: 3,434,767 km (0.102 R)
• M8: 3,934,723 km (0.093 R)
• M9: 4,392,642 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.7

Radius: 12.3

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.42 AU - 0.7 AU

Year: 289 Days

Day: 13.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,903,489 km

• M1: 153,039 km (0.118 R)
• M2: 811,269 km (0.114 R)
• M3: 1,293,872 km (0.112 R)
• M4: 1,754,185 km (0.092 R)
• M5: 2,392,070 km (0.088 R)
• M6: 3,232,660 km (0.091 R)
• M7: 3,641,063 km (0.085 R)
• M8: 4,071,605 km (0.06 R)
• M9: 4,563,034 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.8

Radius: 12.6

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.62 AU - 0.76 AU

Year: 396 Days

Day: 10.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 25,903,489 km

• M1: 156,779 km (0.069 R)
• M2: 585,077 km (0.098 R)
• M3: 1,090,120 km (0.047 R)
• M4: 1,722,320 km (0.071 R)
• M5: 2,295,879 km (0.103 R)
• M6: 2,860,610 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.8

Radius: 13.3

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.01 AU - 1.29 AU

Year: 851 Days

Day: 8.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,903,489 km

• M1: 166,652 km (0.043 R)
• M2: 649,704 km (0.074 R)
• M3: 1,304,045 km (0.055 R)
• M4: 1,849,329 km (0.07 R)
• M5: 2,292,288 km (0.109 R)
• M6: 2,769,954 km (0.036 R)
• M7: 3,286,964 km (0.081 R)
• M8: 3,992,468 km (0.103 R)
• M9: 4,886,614 km (0.052 R)
• M10: 5,372,060 km (0.114 R)
• M11: 6,013,834 km (0.091 R)
• M12: 6,819,269 km (0.059 R)
• M13: 8,459,760 km (0.108 R)
• M14: 9,414,792 km (0.089 R)
• M15: 9,903,977 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.9

Radius: 8.8

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.29 AU - 1.61 AU

Year: 1205 Days

Day: 9.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,903,489 km

• M1: 109,506 km (0.061 R)
• M2: 554,559 km (0.076 R)
• M3: 844,779 km (0.094 R)
• M4: 1,167,013 km (0.055 R)
• M5: 1,680,283 km (0.08 R)
• M6: 3,000,335 km (0.101 R)
• M7: 3,560,429 km (0.077 R)
• M8: 4,621,976 km (0.116 R)
• M9: 6,194,997 km (0.094 R)
• M10: 6,614,619 km (0.102 R)
• M11: 7,228,569 km (0.119 R)
• M12: 8,096,835 km (0.105 R)
• M13: 8,741,752 km (0.1 R)
• M14: 9,788,637 km (0.103 R)
• M15: 10,488,008 km (0.05 R)
• M16: 11,879,866 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.7

Radius: 8.2

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.91 AU - 2.01 AU

Year: 1894 Days

Day: 9.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,903,489 km

• M1: 102,774 km (0.089 R)
• M2: 358,885 km (0.119 R)
• M3: 1,173,147 km (0.113 R)
• M4: 1,529,189 km (0.055 R)
• M5: 2,188,766 km (0.086 R)
• M6: 2,709,217 km (0.098 R)
• M7: 3,451,522 km (0.098 R)
• M8: 4,157,175 km (0.119 R)
• M9: 4,614,346 km (0.112 R)
• M10: 6,361,649 km (0.065 R)
• M11: 7,639,514 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.1

Radius: 15

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.9 AU - 2.02 AU

Year: 1894 Days

Day: 8 Hours

Environment

Temp: -198 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,903,489 km

• M1: 187,895 km (0.054 R)
• M2: 858,991 km (0.081 R)
• M3: 1,448,107 km (0.102 R)
• M4: 2,157,650 km (0.084 R)
• M5: 2,850,139 km (0.051 R)
• M6: 3,464,537 km (0.092 R)
• M7: 4,137,578 km (0.097 R)
• M8: 6,942,688 km (0.099 R)
• M9: 7,434,266 km (0.108 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.5

Radius: 8.5

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.08 AU - 2.42 AU

Year: 2330 Days

Day: 6.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,903,489 km

• M1: 105,915 km (0.114 R)
• M2: 405,410 km (0.109 R)
• M3: 716,424 km (0.11 R)
• M4: 1,017,266 km (0.056 R)
• M5: 1,293,872 km (0.119 R)
• M6: 2,297,375 km (0.058 R)
• M7: 2,906,537 km (0.103 R)
• M8: 3,439,704 km (0.057 R)
• M9: 3,711,374 km (0.089 R)
• M10: 4,298,246 km (0.025 R)
• M11: 4,877,938 km (0.05 R)
• M12: 6,379,302 km (0.103 R)
• M13: 10,639,700 km (0.109 R)
• M14: 11,820,775 km (0.1 R)
• M15: 12,783,736 km (0.094 R)
• M16: 14,628,727 km (0.046 R)
• M17: 15,688,628 km (0.117 R)
• M18: 16,695,721 km (0.059 R)

Planet 10 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.1

Radius: 9.7

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.42 AU - 3.82 AU

Year: 3804 Days

Day: 14.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,903,489 km

• M1: 120,875 km (0.061 R)
• M2: 509,231 km (0.039 R)
• M3: 866,620 km (0.099 R)
• M4: 2,085,993 km (0.082 R)
• M5: 2,501,576 km (0.055 R)
• M6: 3,062,119 km (0.071 R)
• M7: 3,401,856 km (0.042 R)
• M8: 3,787,968 km (0.082 R)
• M9: 5,255,972 km (0.107 R)
• M10: 5,717,631 km (0.114 R)
• M11: 6,784,862 km (0.069 R)
• M12: 7,103,655 km (0.09 R)
• M13: 8,407,700 km (0.046 R)
• M14: 9,426,760 km (0.106 R)
• M15: 9,986,555 km (0.077 R)
• M16: 11,618,369 km (0.09 R)
• M17: 13,173,439 km (0.082 R)
• M18: 13,721,416 km (0.094 R)
• M19: 14,493,042 km (0.064 R)
• M20: 16,981,901 km (0.115 R)
• M21: 18,666,822 km (0.042 R)
• M22: 21,263,243 km (0.101 R)
• M23: 24,835,640 km (0.087 R)
• M24: 25,749,085 km (0.093 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 12,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit