🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.2

Radius: 11.3

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.52 AU - 0.72 AU

Year: 331 Days

Day: 10.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,064,422 km

• M1: 140,472 km (0.077 R)
• M2: 635,043 km (0.109 R)
• M3: 1,153,100 km (0.084 R)
• M4: 1,566,290 km (0.117 R)
• M5: 1,985,014 km (0.096 R)
• M6: 2,463,129 km (0.088 R)
• M7: 2,835,029 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.9

Radius: 10.5

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.7 AU - 1.08 AU

Year: 569 Days

Day: 11.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,064,422 km

• M1: 135,386 km (0.108 R)
• M2: 510,428 km (0.114 R)
• M3: 907,461 km (0.105 R)
• M4: 1,333,216 km (0.085 R)
• M5: 2,183,082 km (0.102 R)
• M6: 3,006,020 km (0.073 R)
• M7: 3,465,734 km (0.099 R)
• M8: 3,959,108 km (0.087 R)
• M9: 4,699,168 km (0.12 R)
• M10: 5,026,040 km (0.079 R)
• M11: 5,448,055 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.1

Radius: 9.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.81 AU - 1.17 AU

Year: 668 Days

Day: 7.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,064,422 km

• M1: 120,725 km (0.074 R)
• M2: 431,440 km (0.112 R)
• M3: 807,081 km (0.107 R)
• M4: 1,234,631 km (0.082 R)
• M5: 1,536,520 km (0.057 R)
• M6: 2,339,711 km (0.09 R)
• M7: 2,947,527 km (0.109 R)
• M8: 3,306,412 km (0.077 R)
• M9: 3,848,106 km (0.084 R)
• M10: 4,447,694 km (0.095 R)
• M11: 5,014,670 km (0.056 R)
• M12: 5,578,804 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.3

Radius: 11.2

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.4 AU - 1.58 AU

Year: 1234 Days

Day: 13.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,064,422 km

• M1: 139,276 km (0.104 R)
• M2: 595,549 km (0.029 R)
• M3: 948,301 km (0.1 R)
• M4: 1,373,608 km (0.118 R)
• M5: 1,954,795 km (0.085 R)
• M6: 3,236,101 km (0.08 R)
• M7: 3,714,665 km (0.058 R)
• M8: 4,159,718 km (0.116 R)
• M9: 4,588,915 km (0.083 R)
• M10: 5,575,961 km (0.111 R)
• M11: 6,415,654 km (0.117 R)
• M12: 7,220,790 km (0.082 R)
• M13: 8,066,766 km (0.116 R)
• M14: 8,977,667 km (0.118 R)
• M15: 9,416,288 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.1

Radius: 9.9

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.27 AU - 6.89 AU

Year: 8940 Days

Day: 10.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 155.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,064,422 km

• M1: 123,418 km (0.065 R)
• M2: 521,049 km (0.114 R)
• M3: 1,048,681 km (0.102 R)
• M4: 1,413,550 km (0.107 R)
• M5: 2,563,360 km (0.059 R)
• M6: 4,457,269 km (0.112 R)
• M7: 4,940,021 km (0.058 R)
• M8: 7,803,175 km (0.082 R)
• M9: 12,580,882 km (0.084 R)
• M10: 13,909,909 km (0.041 R)
• M11: 14,372,915 km (0.116 R)
• M12: 15,183,885 km (0.118 R)
• M13: 15,774,497 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533

Radius: 9.4

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.22 AU - 5.94 AU

Year: 8940 Days

Day: 5.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,064,422 km

• M1: 120,426 km (0.08 R)
• M2: 419,472 km (0.105 R)
• M3: 809,474 km (0.085 R)
• M4: 1,251,835 km (0.111 R)
• M5: 2,217,040 km (0.087 R)
• M6: 3,337,977 km (0.096 R)
• M7: 4,139,971 km (0.092 R)
• M8: 5,953,247 km (0.116 R)
• M9: 8,841,234 km (0.109 R)
• M10: 13,577,503 km (0.119 R)
• M11: 15,857,673 km (0.104 R)
• M12: 16,250,069 km (0.071 R)
• M13: 19,551,843 km (0.103 R)
• M14: 20,231,616 km (0.112 R)
• M15: 20,615,933 km (0.108 R)
• M16: 23,108,682 km (0.066 R)
• M17: 24,644,753 km (0.117 R)
• M18: 26,156,888 km (0.094 R)
• M19: 26,889,469 km (0.095 R)
• M20: 27,260,921 km (0.119 R)
• M21: 27,635,813 km (0.082 R)
• M22: 28,204,435 km (0.092 R)
• M23: 28,974,714 km (0.072 R)
• M24: 31,988,961 km (0.077 R)
• M25: 34,546,038 km (0.049 R)
• M26: 35,986,665 km (0.026 R)
• M27: 37,121,664 km (0.092 R)
• M28: 40,305,257 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.5

Radius: 6.9

Gravity: 13.52 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.91 AU - 6.89 AU

Year: 9720 Days

Day: 16.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,064,422 km

• M1: 85,869 km (0.061 R)
• M2: 353,949 km (0.063 R)
• M3: 729,439 km (0.109 R)
• M4: 1,509,293 km (0.032 R)
• M5: 3,949,234 km (0.118 R)
• M6: 4,649,352 km (0.104 R)
• M7: 5,331,219 km (0.12 R)
• M8: 5,730,346 km (0.034 R)
• M9: 6,293,134 km (0.063 R)
• M10: 6,663,239 km (0.053 R)
• M11: 7,777,294 km (0.093 R)
• M12: 9,770,985 km (0.033 R)
• M13: 10,885,489 km (0.099 R)
• M14: 14,415,700 km (0.051 R)
• M15: 14,735,091 km (0.09 R)
• M16: 15,654,520 km (0.102 R)
• M17: 19,483,028 km (0.111 R)
• M18: 20,913,483 km (0.071 R)
• M19: 25,716,173 km (0.072 R)
• M20: 26,091,813 km (0.09 R)
• M21: 27,046,547 km (0.099 R)
• M22: 31,956,050 km (0.078 R)
• M23: 32,718,251 km (0.091 R)
• M24: 33,381,269 km (0.056 R)
• M25: 34,392,401 km (0.065 R)
• M26: 36,712,215 km (0.096 R)
• M27: 38,153,142 km (0.095 R)
• M28: 39,258,221 km (0.076 R)
• M29: 42,309,419 km (0.107 R)
• M30: 42,832,713 km (0.075 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: 376 - 17,607 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit