🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.3

Radius: 8

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.51 AU - 0.79 AU

Year: 362 Days

Day: 14.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,606,370 km

• M1: 99,483 km (0.042 R)
• M2: 429,795 km (0.085 R)
• M3: 693,237 km (0.096 R)
• M4: 951,442 km (0.093 R)
• M5: 1,372,710 km (0.064 R)
• M6: 2,525,212 km (0.048 R)
• M7: 3,006,618 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.4

Radius: 9.7

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.63 AU - 0.79 AU

Year: 413 Days

Day: 6.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,606,370 km

• M1: 120,576 km (0.112 R)
• M2: 433,535 km (0.12 R)
• M3: 914,342 km (0.074 R)
• M4: 1,221,467 km (0.071 R)
• M5: 2,146,430 km (0.093 R)
• M6: 2,713,107 km (0.084 R)
• M7: 3,026,814 km (0.093 R)
• M8: 3,567,460 km (0.055 R)
• M9: 4,782,494 km (0.118 R)
• M10: 5,180,125 km (0.074 R)
• M11: 5,733,338 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.2

Radius: 8.6

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.55 AU - 0.91 AU

Year: 431 Days

Day: 8 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,606,370 km

• M1: 106,962 km (0.08 R)
• M2: 401,521 km (0.104 R)
• M3: 743,950 km (0.029 R)
• M4: 1,034,918 km (0.093 R)
• M5: 1,440,179 km (0.108 R)
• M6: 1,752,838 km (0.059 R)
• M7: 2,110,976 km (0.115 R)
• M8: 2,949,322 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.9

Radius: 10.4

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.87 AU - 1.05 AU

Year: 649 Days

Day: 9.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,606,370 km

• M1: 129,552 km (0.071 R)
• M2: 474,375 km (0.048 R)
• M3: 814,860 km (0.064 R)
• M4: 1,190,649 km (0.088 R)
• M5: 1,619,846 km (0.096 R)
• M6: 1,974,094 km (0.098 R)
• M7: 2,474,798 km (0.094 R)
• M8: 3,324,962 km (0.097 R)
• M9: 3,662,305 km (0.099 R)
• M10: 4,173,182 km (0.111 R)
• M11: 5,054,463 km (0.104 R)
• M12: 7,891,288 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.8

Radius: 12.3

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.56 AU - 2.1 AU

Year: 1709 Days

Day: 14.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,606,370 km

• M1: 153,039 km (0.07 R)
• M2: 684,111 km (0.11 R)
• M3: 1,229,096 km (0.1 R)
• M4: 1,752,838 km (0.073 R)
• M5: 2,952,314 km (0.038 R)
• M6: 3,526,919 km (0.055 R)
• M7: 4,123,815 km (0.115 R)
• M8: 7,750,217 km (0.118 R)
• M9: 10,784,510 km (0.054 R)
• M10: 11,522,776 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.4

Radius: 8.5

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.62 AU - 2.28 AU

Year: 1880 Days

Day: 6.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,606,370 km

• M1: 107,262 km (0.069 R)
• M2: 540,946 km (0.087 R)
• M3: 1,019,509 km (0.096 R)
• M4: 2,178,743 km (0.06 R)
• M5: 2,748,711 km (0.067 R)
• M6: 3,037,585 km (0.118 R)
• M7: 3,605,757 km (0.114 R)
• M8: 4,588,765 km (0.104 R)
• M9: 5,064,038 km (0.1 R)
• M10: 6,449,314 km (0.068 R)
• M11: 6,879,856 km (0.093 R)
• M12: 7,444,888 km (0.065 R)
• M13: 7,949,032 km (0.059 R)
• M14: 10,523,313 km (0.098 R)
• M15: 12,301,134 km (0.11 R)
• M16: 14,002,510 km (0.101 R)
• M17: 15,951,920 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.9

Radius: 9.2

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.64 AU - 3.86 AU

Year: 4044 Days

Day: 10.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,606,370 km

• M1: 114,442 km (0.116 R)
• M2: 424,110 km (0.116 R)
• M3: 747,989 km (0.094 R)
• M4: 1,145,620 km (0.12 R)
• M5: 1,837,062 km (0.07 R)
• M6: 2,176,948 km (0.091 R)
• M7: 2,947,826 km (0.067 R)
• M8: 3,335,434 km (0.046 R)
• M9: 4,480,307 km (0.118 R)
• M10: 5,047,881 km (0.085 R)
• M11: 5,461,968 km (0.102 R)
• M12: 6,202,328 km (0.109 R)
• M13: 7,559,180 km (0.084 R)
• M14: 8,709,438 km (0.1 R)
• M15: 10,273,634 km (0.115 R)
• M16: 11,168,229 km (0.045 R)
• M17: 13,266,190 km (0.04 R)
• M18: 13,895,697 km (0.115 R)
• M19: 17,099,785 km (0.034 R)
• M20: 18,035,070 km (0.098 R)
• M21: 22,338,702 km (0.11 R)
• M22: 22,781,213 km (0.038 R)
• M23: 24,143,900 km (0.103 R)
• M24: 25,240,751 km (0.103 R)
• M25: 26,616,902 km (0.067 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 14,270 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit