🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.5

Radius: 13.4

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.58 AU - 0.7 AU

Year: 347 Days

Day: 5.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 35,408,210 km

• M1: 166,652 km (0.06 R)
• M2: 645,066 km (0.111 R)
• M3: 1,208,152 km (0.092 R)
• M4: 2,635,316 km (0.072 R)
• M5: 3,129,887 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.1

Radius: 11

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.74 AU - 0.76 AU

Year: 441 Days

Day: 7.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,408,210 km

• M1: 136,882 km (0.088 R)
• M2: 489,484 km (0.116 R)
• M3: 964,607 km (0.104 R)
• M4: 1,801,607 km (0.093 R)
• M5: 2,152,414 km (0.088 R)
• M6: 2,607,491 km (0.053 R)
• M7: 2,958,298 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.4

Radius: 13.2

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.18 AU - 1.48 AU

Year: 1040 Days

Day: 6.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,408,210 km

• M1: 164,258 km (0.092 R)
• M2: 575,353 km (0.109 R)
• M3: 1,021,305 km (0.092 R)
• M4: 1,518,418 km (0.112 R)
• M5: 2,333,577 km (0.06 R)
• M6: 3,606,505 km (0.08 R)
• M7: 4,716,073 km (0.07 R)
• M8: 5,199,124 km (0.056 R)
• M9: 5,630,565 km (0.066 R)
• M10: 6,085,791 km (0.078 R)
• M11: 8,296,399 km (0.116 R)
• M12: 8,974,526 km (0.07 R)
• M13: 9,842,942 km (0.118 R)
• M14: 11,574,088 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.5

Radius: 14.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.83 AU - 2.81 AU

Year: 2397 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,408,210 km

• M1: 180,714 km (0.105 R)
• M2: 686,505 km (0.088 R)
• M3: 1,429,408 km (0.106 R)
• M4: 2,245,763 km (0.071 R)
• M5: 2,769,206 km (0.081 R)
• M6: 3,409,784 km (0.117 R)
• M7: 5,515,524 km (0.087 R)
• M8: 5,971,797 km (0.086 R)
• M9: 6,481,029 km (0.061 R)
• M10: 10,784,660 km (0.059 R)
• M11: 12,293,654 km (0.05 R)
• M12: 13,345,028 km (0.068 R)
• M13: 16,650,991 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.8

Radius: 9.8

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.19 AU - 6.21 AU

Year: 8043 Days

Day: 12.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,408,210 km

• M1: 122,221 km (0.052 R)
• M2: 435,330 km (0.083 R)
• M3: 990,488 km (0.107 R)
• M4: 3,568,657 km (0.054 R)
• M5: 4,098,533 km (0.081 R)
• M6: 4,904,716 km (0.088 R)
• M7: 6,051,533 km (0.034 R)
• M8: 6,501,673 km (0.09 R)
• M9: 9,300,799 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.1

Radius: 9.3

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.3 AU - 6.22 AU

Year: 8182 Days

Day: 12.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,408,210 km

• M1: 115,639 km (0.092 R)
• M2: 590,912 km (0.047 R)
• M3: 1,061,098 km (0.082 R)
• M4: 1,412,653 km (0.116 R)
• M5: 2,427,525 km (0.091 R)
• M6: 2,863,453 km (0.091 R)
• M7: 3,197,056 km (0.118 R)
• M8: 3,603,364 km (0.052 R)
• M9: 4,603,126 km (0.067 R)
• M10: 8,039,390 km (0.115 R)
• M11: 9,367,071 km (0.088 R)
• M12: 10,059,559 km (0.104 R)
• M13: 11,546,263 km (0.101 R)
• M14: 14,582,800 km (0.052 R)
• M15: 14,950,063 km (0.093 R)
• M16: 17,217,069 km (0.117 R)
• M17: 18,044,346 km (0.117 R)
• M18: 19,629,784 km (0.094 R)
• M19: 21,858,642 km (0.115 R)
• M20: 23,574,380 km (0.12 R)
• M21: 25,027,724 km (0.083 R)
• M22: 25,909,902 km (0.026 R)
• M23: 31,440,685 km (0.081 R)
• M24: 34,696,833 km (0.032 R)
• M25: 36,912,975 km (0.06 R)
• M26: 38,752,431 km (0.047 R)
• M27: 39,694,748 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.9

Radius: 4.7

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.03 AU - 10.89 AU

Year: 19735 Days

Day: 24.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,408,210 km

• M1: 59,690 km (0.055 R)
• M2: 211,531 km (0.099 R)
• M3: 1,535,473 km (0.082 R)
• M4: 1,777,372 km (0.061 R)
• M5: 2,287,052 km (0.088 R)
• M6: 2,530,598 km (0.089 R)
• M7: 2,733,901 km (0.085 R)
• M8: 2,928,229 km (0.084 R)
• M9: 3,589,751 km (0.112 R)
• M10: 7,925,396 km (0.096 R)
• M11: 9,901,434 km (0.081 R)
• M12: 11,075,778 km (0.089 R)
• M13: 12,079,729 km (0.06 R)
• M14: 13,197,823 km (0.03 R)
• M15: 14,037,367 km (0.106 R)
• M16: 14,557,967 km (0.037 R)
• M17: 15,453,909 km (0.057 R)
• M18: 18,498,973 km (0.093 R)
• M19: 20,417,417 km (0.112 R)
• M20: 22,858,106 km (0.085 R)
• M21: 25,828,372 km (0.034 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: 156 - 12,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit