🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.4

Radius: 12.9

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.76 AU - 0.88 AU

Year: 487 Days

Day: 13.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,445,848 km

• M1: 160,369 km (0.089 R)
• M2: 600,037 km (0.08 R)
• M3: 1,103,135 km (0.11 R)
• M4: 2,553,486 km (0.058 R)
• M5: 3,767,922 km (0.089 R)
• M6: 4,244,391 km (0.086 R)
• M7: 4,669,548 km (0.097 R)
• M8: 5,589,425 km (0.088 R)
• M9: 6,193,352 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.4

Radius: 12.6

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.79 AU - 1.05 AU

Year: 579 Days

Day: 8.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,445,848 km

• M1: 156,928 km (0.068 R)
• M2: 563,984 km (0.11 R)
• M3: 1,058,854 km (0.112 R)
• M4: 1,462,618 km (0.114 R)
• M5: 1,964,070 km (0.074 R)
• M6: 2,560,368 km (0.096 R)
• M7: 3,241,038 km (0.075 R)
• M8: 4,026,127 km (0.075 R)
• M9: 4,436,026 km (0.104 R)
• M10: 5,166,063 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.2

Radius: 13.5

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.11 AU - 1.15 AU

Year: 788 Days

Day: 12.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,445,848 km

• M1: 168,148 km (0.061 R)
• M2: 743,651 km (0.064 R)
• M3: 1,343,090 km (0.069 R)
• M4: 3,050,151 km (0.089 R)
• M5: 3,935,172 km (0.119 R)
• M6: 5,567,434 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.5

Radius: 14.3

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.62 AU - 2.28 AU

Year: 1786 Days

Day: 10.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,445,848 km

• M1: 177,872 km (0.099 R)
• M2: 685,607 km (0.105 R)
• M3: 1,212,341 km (0.053 R)
• M4: 1,679,685 km (0.105 R)
• M5: 2,729,563 km (0.087 R)
• M6: 3,219,197 km (0.078 R)
• M7: 3,786,023 km (0.092 R)
• M8: 5,923,926 km (0.104 R)
• M9: 6,539,222 km (0.073 R)
• M10: 7,253,552 km (0.04 R)
• M11: 7,928,388 km (0.063 R)
• M12: 8,390,795 km (0.088 R)
• M13: 9,472,088 km (0.109 R)
• M14: 11,246,768 km (0.094 R)
• M15: 12,192,675 km (0.062 R)
• M16: 12,936,625 km (0.101 R)
• M17: 14,560,660 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.2

Radius: 12.9

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.73 AU - 5.45 AU

Year: 6451 Days

Day: 8.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,445,848 km

• M1: 160,668 km (0.037 R)
• M2: 1,013,974 km (0.113 R)
• M3: 1,862,344 km (0.088 R)
• M4: 2,915,513 km (0.105 R)
• M5: 3,519,739 km (0.092 R)
• M6: 5,328,975 km (0.095 R)
• M7: 6,120,647 km (0.059 R)
• M8: 7,090,640 km (0.07 R)
• M9: 8,501,797 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.5

Radius: 11

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.21 AU - 6.73 AU

Year: 8392 Days

Day: 8.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,445,848 km

• M1: 139,126 km (0.119 R)
• M2: 553,363 km (0.1 R)
• M3: 970,591 km (0.118 R)
• M4: 1,448,556 km (0.118 R)
• M5: 1,837,062 km (0.093 R)
• M6: 2,453,255 km (0.114 R)
• M7: 2,930,473 km (0.088 R)
• M8: 4,689,145 km (0.091 R)
• M9: 5,842,545 km (0.097 R)
• M10: 6,521,121 km (0.091 R)
• M11: 8,323,027 km (0.057 R)
• M12: 9,865,232 km (0.036 R)
• M13: 11,078,022 km (0.116 R)
• M14: 12,117,727 km (0.079 R)
• M15: 12,606,313 km (0.089 R)
• M16: 16,601,025 km (0.049 R)
• M17: 17,271,972 km (0.097 R)
• M18: 20,289,361 km (0.083 R)
• M19: 20,747,429 km (0.081 R)
• M20: 22,976,587 km (0.108 R)
• M21: 26,613,162 km (0.064 R)
• M22: 31,320,558 km (0.104 R)
• M23: 32,656,766 km (0.108 R)
• M24: 36,442,939 km (0.086 R)
• M25: 39,320,155 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.1

Radius: 3

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.64 AU - 7.26 AU

Year: 12020 Days

Day: 23.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,445,848 km

• M1: 37,699 km (0.119 R)
• M2: 197,469 km (0.047 R)
• M3: 315,652 km (0.11 R)
• M4: 812,017 km (0.107 R)
• M5: 1,058,255 km (0.088 R)
• M6: 2,490,356 km (0.077 R)
• M7: 2,930,622 km (0.117 R)
• M8: 3,359,071 km (0.082 R)
• M9: 3,545,918 km (0.062 R)
• M10: 5,270,782 km (0.115 R)
• M11: 5,466,306 km (0.108 R)
• M12: 5,871,866 km (0.038 R)
• M13: 6,112,419 km (0.094 R)
• M14: 8,429,391 km (0.079 R)
• M15: 10,640,747 km (0.092 R)
• M16: 12,855,693 km (0.111 R)
• M17: 17,483,653 km (0.092 R)
• M18: 18,296,418 km (0.076 R)
• M19: 19,795,688 km (0.074 R)
• M20: 22,375,802 km (0.062 R)
• M21: 25,328,715 km (0.051 R)
• M22: 27,021,564 km (0.095 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 11,341 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit