🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.3

Radius: 10.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.72 AU - 0.94 AU

Year: 522 Days

Day: 10.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,070,564 km

• M1: 135,536 km (0.071 R)
• M2: 564,882 km (0.083 R)
• M3: 1,245,103 km (0.083 R)
• M4: 1,883,138 km (0.088 R)
• M5: 2,259,975 km (0.11 R)
• M6: 2,687,526 km (0.102 R)
• M7: 3,318,380 km (0.11 R)
• M8: 3,886,852 km (0.119 R)
• M9: 4,291,813 km (0.097 R)
• M10: 4,739,859 km (0.099 R)
• M11: 5,347,825 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.3

Radius: 9.6

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.69 AU - 1.07 AU

Year: 570 Days

Day: 14.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,070,564 km

• M1: 120,127 km (0.052 R)
• M2: 481,556 km (0.092 R)
• M3: 846,126 km (0.107 R)
• M4: 1,184,666 km (0.112 R)
• M5: 1,629,719 km (0.105 R)
• M6: 2,460,885 km (0.099 R)
• M7: 2,892,924 km (0.099 R)
• M8: 3,695,067 km (0.108 R)
• M9: 4,191,433 km (0.104 R)
• M10: 4,501,101 km (0.101 R)
• M11: 4,826,027 km (0.086 R)
• M12: 5,300,701 km (0.086 R)
• M13: 5,628,470 km (0.065 R)
• M14: 6,248,853 km (0.048 R)
• M15: 6,713,653 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.2

Radius: 13.3

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.87 AU - 1.09 AU

Year: 670 Days

Day: 12.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,070,564 km

• M1: 193,580 km (0.109 R)
• M2: 1,394,252 km (0.115 R)
• M3: 2,083,300 km (0.068 R)
• M4: 2,892,475 km (0.051 R)
• M5: 3,974,815 km (0.11 R)
• M6: 4,469,386 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.7

Radius: 14.1

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.93 AU - 1.33 AU

Year: 829 Days

Day: 8.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,070,564 km

• M1: 175,478 km (0.04 R)
• M2: 621,430 km (0.04 R)
• M3: 1,071,121 km (0.091 R)
• M4: 1,795,474 km (0.12 R)
• M5: 3,428,783 km (0.11 R)
• M6: 3,923,354 km (0.077 R)
• M7: 4,686,004 km (0.105 R)
• M8: 6,771,099 km (0.103 R)
• M9: 7,555,291 km (0.118 R)
• M10: 9,141,028 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.2

Radius: 12.1

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.34 AU - 2.76 AU

Year: 2811 Days

Day: 13 Hours

Environment

Temp: -198 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,070,564 km

• M1: 153,487 km (0.074 R)
• M2: 531,222 km (0.108 R)
• M3: 914,641 km (0.029 R)
• M4: 1,295,069 km (0.06 R)
• M5: 2,382,496 km (0.112 R)
• M6: 2,944,535 km (0.099 R)
• M7: 3,409,335 km (0.118 R)
• M8: 4,230,329 km (0.102 R)
• M9: 5,178,929 km (0.067 R)
• M10: 5,939,484 km (0.059 R)
• M11: 7,008,361 km (0.104 R)
• M12: 7,939,608 km (0.104 R)
• M13: 8,605,019 km (0.059 R)
• M14: 9,235,275 km (0.088 R)
• M15: 11,941,201 km (0.12 R)
• M16: 13,176,730 km (0.057 R)
• M17: 13,967,355 km (0.107 R)
• M18: 15,643,300 km (0.056 R)
• M19: 17,615,598 km (0.112 R)
• M20: 18,119,294 km (0.113 R)
• M21: 18,517,823 km (0.094 R)
• M22: 19,273,292 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.7

Radius: 12.9

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.95 AU - 5.45 AU

Year: 8185 Days

Day: 7.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,070,564 km

• M1: 160,519 km (0.047 R)
• M2: 614,249 km (0.103 R)
• M3: 1,264,700 km (0.118 R)
• M4: 1,865,635 km (0.111 R)
• M5: 2,727,468 km (0.034 R)
• M6: 3,358,173 km (0.113 R)
• M7: 4,262,492 km (0.093 R)
• M8: 4,689,295 km (0.061 R)
• M9: 5,915,698 km (0.117 R)
• M10: 6,905,288 km (0.097 R)
• M11: 7,688,433 km (0.04 R)
• M12: 10,684,430 km (0.109 R)
• M13: 11,579,025 km (0.068 R)
• M14: 12,308,763 km (0.106 R)
• M15: 14,091,970 km (0.052 R)
• M16: 15,978,249 km (0.104 R)
• M17: 16,426,594 km (0.074 R)
• M18: 18,373,910 km (0.076 R)
• M19: 19,151,370 km (0.12 R)
• M20: 28,642,308 km (0.055 R)
• M21: 34,230,686 km (0.119 R)
• M22: 35,951,809 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.3

Radius: 6.7

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.37 AU - 8.79 AU

Year: 14405 Days

Day: 15.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,070,564 km

• M1: 191,635 km (0.117 R)
• M2: 691,142 km (0.108 R)
• M3: 991,834 km (0.079 R)
• M4: 2,127,431 km (0.116 R)
• M5: 3,973,319 km (0.115 R)
• M6: 4,369,006 km (0.082 R)
• M7: 5,572,221 km (0.115 R)
• M8: 6,818,222 km (0.034 R)
• M9: 8,093,095 km (0.067 R)
• M10: 9,397,888 km (0.096 R)
• M11: 9,848,477 km (0.114 R)
• M12: 15,970,620 km (0.077 R)
• M13: 24,459,701 km (0.107 R)
• M14: 26,586,234 km (0.108 R)
• M15: 27,321,658 km (0.084 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 17,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit