🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

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: 456

Radius: 11.3

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.62 AU - 0.88 AU

Year: 433 Days

Day: 6.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,201,419 km

• M1: 140,472 km (0.099 R)
• M2: 499,358 km (0.053 R)
• M3: 1,140,684 km (0.114 R)
• M4: 1,545,196 km (0.107 R)
• M5: 2,183,531 km (0.11 R)
• M6: 2,560,218 km (0.099 R)
• M7: 2,990,910 km (0.056 R)
• M8: 3,504,480 km (0.105 R)
• M9: 4,418,523 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421

Radius: 9.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.7 AU - 1.08 AU

Year: 560 Days

Day: 8.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 138.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,201,419 km

• M1: 121,623 km (0.069 R)
• M2: 480,808 km (0.059 R)
• M3: 795,561 km (0.049 R)
• M4: 1,098,198 km (0.091 R)
• M5: 2,265,660 km (0.027 R)
• M6: 3,734,860 km (0.106 R)
• M7: 4,928,053 km (0.119 R)
• M8: 5,421,277 km (0.114 R)
• M9: 5,859,898 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.1

Radius: 11.3

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.9 AU - 1.06 AU

Year: 647 Days

Day: 10.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,201,419 km

• M1: 141,669 km (0.062 R)
• M2: 690,843 km (0.113 R)
• M3: 1,300,155 km (0.057 R)
• M4: 2,154,359 km (0.101 R)
• M5: 2,521,173 km (0.109 R)
• M6: 3,055,088 km (0.054 R)
• M7: 3,580,027 km (0.081 R)
• M8: 3,984,090 km (0.082 R)
• M9: 5,122,231 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837

Radius: 13.5

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.14 AU - 1.86 AU

Year: 1225 Days

Day: 6.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,201,419 km

• M1: 167,849 km (0.1 R)
• M2: 588,219 km (0.106 R)
• M3: 1,194,539 km (0.094 R)
• M4: 1,653,356 km (0.077 R)
• M5: 2,526,708 km (0.083 R)
• M6: 3,737,404 km (0.088 R)
• M7: 4,265,185 km (0.07 R)
• M8: 4,707,695 km (0.118 R)
• M9: 5,345,880 km (0.04 R)
• M10: 6,018,622 km (0.084 R)
• M11: 7,196,854 km (0.108 R)
• M12: 7,881,713 km (0.073 R)
• M13: 8,667,401 km (0.095 R)
• M14: 9,139,532 km (0.103 R)
• M15: 9,566,634 km (0.039 R)
• M16: 10,929,022 km (0.109 R)
• M17: 11,551,050 km (0.1 R)
• M18: 12,343,320 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.8

Radius: 11.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.3 AU - 1.88 AU

Year: 1337 Days

Day: 13.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,201,419 km

• M1: 149,598 km (0.087 R)
• M2: 865,424 km (0.05 R)
• M3: 1,274,723 km (0.068 R)
• M4: 2,096,913 km (0.085 R)
• M5: 2,714,753 km (0.07 R)
• M6: 3,191,671 km (0.113 R)
• M7: 3,680,257 km (0.082 R)
• M8: 4,515,462 km (0.112 R)
• M9: 7,261,032 km (0.109 R)
• M10: 8,864,123 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.4

Radius: 10.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.83 AU - 2.33 AU

Year: 2000 Days

Day: 10.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,201,419 km

• M1: 134,488 km (0.06 R)
• M2: 704,606 km (0.11 R)
• M3: 1,141,133 km (0.067 R)
• M4: 1,739,374 km (0.079 R)
• M5: 2,225,119 km (0.107 R)
• M6: 2,800,173 km (0.059 R)
• M7: 3,309,105 km (0.089 R)
• M8: 5,295,615 km (0.084 R)
• M9: 5,945,319 km (0.116 R)
• M10: 6,553,733 km (0.056 R)
• M11: 7,582,218 km (0.108 R)
• M12: 9,233,929 km (0.067 R)
• M13: 10,050,733 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.8

Radius: 6.3

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.6 AU - 7.48 AU

Year: 11153 Days

Day: 15.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,201,419 km

• M1: 82,129 km (0.098 R)
• M2: 284,685 km (0.098 R)
• M3: 679,025 km (0.117 R)
• M4: 1,308,832 km (0.113 R)
• M5: 1,759,570 km (0.069 R)
• M6: 2,166,177 km (0.071 R)
• M7: 2,633,371 km (0.067 R)
• M8: 6,834,229 km (0.116 R)
• M9: 7,750,666 km (0.081 R)
• M10: 9,440,224 km (0.096 R)
• M11: 10,884,591 km (0.108 R)
• M12: 12,933,484 km (0.037 R)
• M13: 13,528,584 km (0.087 R)
• M14: 17,922,124 km (0.071 R)
• M15: 19,575,181 km (0.081 R)
• M16: 24,058,629 km (0.041 R)
• M17: 24,957,712 km (0.08 R)
• M18: 28,579,327 km (0.069 R)
• M19: 33,303,179 km (0.078 R)
• M20: 34,194,034 km (0.073 R)
• M21: 35,675,502 km (0.094 R)
• M22: 38,037,353 km (0.057 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 14,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit