🌌 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: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.8

Radius: 13.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.66 AU - 0.96 AU

Year: 471 Days

Day: 11.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,242,924 km

• M1: 171,738 km (0.099 R)
• M2: 654,939 km (0.099 R)
• M3: 1,125,126 km (0.104 R)
• M4: 1,741,918 km (0.085 R)
• M5: 2,322,806 km (0.114 R)
• M6: 2,799,275 km (0.089 R)
• M7: 3,267,367 km (0.112 R)
• M8: 3,822,824 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.3

Radius: 13.4

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.91 AU - 1.11 AU

Year: 655 Days

Day: 10.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,242,924 km

• M1: 166,802 km (0.082 R)
• M2: 588,967 km (0.117 R)
• M3: 1,085,632 km (0.033 R)
• M4: 1,765,704 km (0.089 R)
• M5: 2,228,260 km (0.059 R)
• M6: 2,718,343 km (0.081 R)
• M7: 3,702,248 km (0.111 R)
• M8: 4,396,233 km (0.085 R)
• M9: 4,878,985 km (0.094 R)
• M10: 5,501,761 km (0.036 R)
• M11: 6,744,470 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.5

Radius: 12.5

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.58 AU - 2.1 AU

Year: 1612 Days

Day: 13.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,242,924 km

• M1: 155,432 km (0.113 R)
• M2: 593,754 km (0.113 R)
• M3: 1,301,950 km (0.064 R)
• M4: 1,836,463 km (0.069 R)
• M5: 2,940,795 km (0.117 R)
• M6: 4,244,092 km (0.117 R)
• M7: 6,305,101 km (0.096 R)
• M8: 7,481,240 km (0.078 R)
• M9: 8,771,372 km (0.088 R)
• M10: 9,671,652 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.9

Radius: 12.6

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.25 AU - 3.19 AU

Year: 2896 Days

Day: 8.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,242,924 km

• M1: 156,779 km (0.104 R)
• M2: 550,221 km (0.043 R)
• M3: 971,638 km (0.078 R)
• M4: 1,403,228 km (0.07 R)
• M5: 2,440,240 km (0.116 R)
• M6: 3,071,244 km (0.08 R)
• M7: 3,731,569 km (0.077 R)
• M8: 6,338,462 km (0.078 R)
• M9: 7,838,180 km (0.113 R)
• M10: 8,280,841 km (0.116 R)
• M11: 9,504,402 km (0.09 R)
• M12: 9,948,109 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.5

Radius: 10.3

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.64 AU - 5.54 AU

Year: 6349 Days

Day: 6.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,242,924 km

• M1: 130,599 km (0.116 R)
• M2: 482,453 km (0.103 R)
• M3: 823,985 km (0.06 R)
• M4: 1,393,504 km (0.078 R)
• M5: 2,613,325 km (0.099 R)
• M6: 3,925,149 km (0.105 R)
• M7: 4,712,034 km (0.116 R)
• M8: 5,476,180 km (0.11 R)
• M9: 6,286,851 km (0.101 R)
• M10: 7,101,561 km (0.051 R)
• M11: 8,557,746 km (0.113 R)
• M12: 8,983,352 km (0.117 R)
• M13: 10,250,895 km (0.1 R)
• M14: 10,682,634 km (0.09 R)
• M15: 13,476,075 km (0.076 R)
• M16: 15,756,246 km (0.115 R)
• M17: 16,138,469 km (0.033 R)
• M18: 17,593,158 km (0.118 R)
• M19: 22,002,256 km (0.099 R)
• M20: 27,097,111 km (0.099 R)
• M21: 27,646,285 km (0.082 R)
• M22: 29,051,607 km (0.065 R)
• M23: 31,801,366 km (0.042 R)
• M24: 35,476,836 km (0.108 R)
• M25: 38,269,080 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.8

Radius: 4.6

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.28 AU - 7.88 AU

Year: 12164 Days

Day: 21.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 136.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,242,924 km

• M1: 97,987 km (0.084 R)
• M2: 671,994 km (0.047 R)
• M3: 873,801 km (0.106 R)
• M4: 1,187,957 km (0.058 R)
• M5: 1,652,159 km (0.093 R)
• M6: 1,933,104 km (0.095 R)
• M7: 2,737,491 km (0.103 R)
• M8: 3,472,316 km (0.118 R)
• M9: 4,753,921 km (0.071 R)
• M10: 6,866,243 km (0.12 R)
• M11: 8,047,917 km (0.101 R)
• M12: 8,524,087 km (0.116 R)
• M13: 9,187,852 km (0.065 R)
• M14: 11,533,397 km (0.091 R)
• M15: 14,022,706 km (0.043 R)
• M16: 15,123,298 km (0.056 R)
• M17: 15,603,357 km (0.116 R)
• M18: 17,104,871 km (0.087 R)
• M19: 17,824,138 km (0.102 R)
• M20: 28,180,349 km (0.107 R)
• M21: 31,547,947 km (0.115 R)
• M22: 32,134,071 km (0.093 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 14,171 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit