🌌 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: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.1

Radius: 13.8

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.52 AU - 0.74 AU

Year: 339 Days

Day: 9.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 142.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,577,529 km

• M1: 171,589 km (0.04 R)
• M2: 632,799 km (0.058 R)
• M3: 1,111,213 km (0.028 R)
• M4: 1,566,290 km (0.106 R)
• M5: 2,096,315 km (0.087 R)
• M6: 2,526,708 km (0.101 R)
• M7: 3,410,532 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.7

Radius: 13.8

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.41 AU - 1.65 AU

Year: 1284 Days

Day: 14.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,577,529 km

• M1: 174,282 km (0.099 R)
• M2: 871,707 km (0.096 R)
• M3: 1,417,440 km (0.07 R)
• M4: 1,847,833 km (0.114 R)
• M5: 2,817,377 km (0.102 R)
• M6: 5,165,016 km (0.061 R)
• M7: 6,093,570 km (0.109 R)
• M8: 8,139,022 km (0.088 R)
• M9: 12,946,649 km (0.111 R)
• M10: 13,581,392 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.9

Radius: 8.7

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.87 AU - 1.87 AU

Year: 1734 Days

Day: 11.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,577,529 km

• M1: 108,159 km (0.032 R)
• M2: 385,663 km (0.117 R)
• M3: 1,366,876 km (0.096 R)
• M4: 1,674,150 km (0.094 R)
• M5: 2,417,950 km (0.068 R)
• M6: 2,757,089 km (0.107 R)
• M7: 3,285,468 km (0.026 R)
• M8: 4,006,829 km (0.118 R)
• M9: 4,424,955 km (0.096 R)
• M10: 5,303,993 km (0.084 R)
• M11: 5,598,401 km (0.112 R)
• M12: 6,072,776 km (0.09 R)
• M13: 7,744,233 km (0.12 R)
• M14: 11,930,131 km (0.05 R)
• M15: 12,240,547 km (0.098 R)
• M16: 13,746,848 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.8

Radius: 9.6

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.9 AU - 2.9 AU

Year: 2522 Days

Day: 7.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,577,529 km

• M1: 126,560 km (0.105 R)
• M2: 458,069 km (0.113 R)
• M3: 1,048,681 km (0.027 R)
• M4: 2,014,635 km (0.089 R)
• M5: 2,744,074 km (0.112 R)
• M6: 3,263,627 km (0.109 R)
• M7: 3,759,993 km (0.106 R)
• M8: 4,925,360 km (0.064 R)
• M9: 6,217,437 km (0.077 R)
• M10: 7,836,684 km (0.04 R)
• M11: 8,454,224 km (0.079 R)
• M12: 10,677,997 km (0.085 R)
• M13: 13,022,195 km (0.091 R)
• M14: 14,057,862 km (0.113 R)
• M15: 14,400,590 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.7

Radius: 14.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.79 AU - 4.89 AU

Year: 7222 Days

Day: 6.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,577,529 km

• M1: 185,651 km (0.076 R)
• M2: 824,733 km (0.092 R)
• M3: 1,416,093 km (0.111 R)
• M4: 2,213,600 km (0.084 R)
• M5: 2,852,233 km (0.072 R)
• M6: 4,064,873 km (0.049 R)
• M7: 5,687,412 km (0.117 R)
• M8: 6,240,326 km (0.11 R)
• M9: 7,348,098 km (0.102 R)
• M10: 7,819,182 km (0.091 R)
• M11: 8,782,143 km (0.11 R)
• M12: 11,803,422 km (0.109 R)
• M13: 13,335,005 km (0.09 R)
• M14: 17,292,018 km (0.094 R)
• M15: 18,524,405 km (0.088 R)
• M16: 30,575,561 km (0.093 R)
• M17: 31,325,046 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.8

Radius: 3

Gravity: 79.87 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.75 AU - 6.49 AU

Year: 10269 Days

Day: 19.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,577,529 km

• M1: 37,399 km (0.104 R)
• M2: 161,865 km (0.1 R)
• M3: 255,812 km (0.117 R)
• M4: 470,336 km (0.051 R)
• M5: 696,827 km (0.099 R)
• M6: 1,148,313 km (0.105 R)
• M7: 1,817,614 km (0.043 R)
• M8: 3,786,920 km (0.092 R)
• M9: 4,200,110 km (0.091 R)
• M10: 4,890,803 km (0.069 R)
• M11: 7,623,358 km (0.102 R)
• M12: 8,012,761 km (0.119 R)
• M13: 9,603,585 km (0.101 R)
• M14: 10,211,850 km (0.089 R)
• M15: 10,791,542 km (0.116 R)
• M16: 11,337,424 km (0.06 R)
• M17: 11,560,774 km (0.071 R)
• M18: 13,894,949 km (0.059 R)
• M19: 14,150,911 km (0.106 R)
• M20: 15,545,762 km (0.071 R)
• M21: 15,683,093 km (0.052 R)
• M22: 17,618,889 km (0.098 R)
• M23: 19,388,632 km (0.093 R)
• M24: 24,001,782 km (0.085 R)
• M25: 25,306,873 km (0.101 R)
• M26: 26,462,667 km (0.067 R)
• M27: 35,792,188 km (0.084 R)
• M28: 36,879,316 km (0.115 R)
• M29: 44,141,844 km (0.079 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 18,401 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit