🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.5

Radius: 11.9

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.75 AU - 1.23 AU

Year: 668 Days

Day: 12.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,545,947 km

• M1: 147,952 km (0.119 R)
• M2: 917,035 km (0.051 R)
• M3: 1,293,274 km (0.111 R)
• M4: 1,775,876 km (0.111 R)
• M5: 2,844,903 km (0.088 R)
• M6: 3,264,674 km (0.091 R)
• M7: 4,301,986 km (0.03 R)
• M8: 4,889,606 km (0.082 R)
• M9: 5,411,105 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.9

Radius: 10

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.38 AU - 1.88 AU

Year: 1411 Days

Day: 10.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,545,947 km

• M1: 124,615 km (0.111 R)
• M2: 524,789 km (0.111 R)
• M3: 1,022,950 km (0.081 R)
• M4: 1,431,801 km (0.079 R)
• M5: 2,048,593 km (0.059 R)
• M6: 3,036,837 km (0.111 R)
• M7: 3,456,010 km (0.08 R)
• M8: 4,020,592 km (0.045 R)
• M9: 4,430,491 km (0.096 R)
• M10: 4,868,064 km (0.093 R)
• M11: 5,378,193 km (0.066 R)
• M12: 5,876,653 km (0.109 R)
• M13: 6,733,400 km (0.074 R)
• M14: 9,317,255 km (0.115 R)
• M15: 10,104,887 km (0.075 R)
• M16: 10,971,807 km (0.055 R)
• M17: 12,853,299 km (0.098 R)
• M18: 14,038,264 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332

Radius: 13.1

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.71 AU - 3.75 AU

Year: 3937 Days

Day: 6.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,545,947 km

• M1: 163,062 km (0.116 R)
• M2: 944,561 km (0.114 R)
• M3: 1,390,063 km (0.069 R)
• M4: 2,409,573 km (0.051 R)
• M5: 2,903,395 km (0.06 R)
• M6: 3,322,120 km (0.049 R)
• M7: 4,304,529 km (0.088 R)
• M8: 4,784,439 km (0.065 R)
• M9: 6,116,459 km (0.115 R)
• M10: 6,840,213 km (0.051 R)
• M11: 7,313,391 km (0.078 R)
• M12: 7,871,990 km (0.094 R)
• M13: 10,130,169 km (0.112 R)
• M14: 11,885,401 km (0.059 R)
• M15: 12,615,140 km (0.072 R)
• M16: 13,649,759 km (0.096 R)
• M17: 18,758,675 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.7

Radius: 12.2

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.88 AU - 4.58 AU

Year: 4886 Days

Day: 10.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,545,947 km

• M1: 151,692 km (0.119 R)
• M2: 674,836 km (0.102 R)
• M3: 1,537,268 km (0.12 R)
• M4: 3,296,239 km (0.102 R)
• M5: 6,645,437 km (0.051 R)
• M6: 7,085,254 km (0.049 R)
• M7: 7,596,729 km (0.097 R)
• M8: 7,996,455 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.5

Radius: 7

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.93 AU - 7.77 AU

Year: 12160 Days

Day: 15.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,545,947 km

• M1: 87,066 km (0.11 R)
• M2: 359,932 km (0.079 R)
• M3: 629,059 km (0.047 R)
• M4: 874,549 km (0.071 R)
• M5: 1,107,623 km (0.106 R)
• M6: 1,371,812 km (0.117 R)
• M7: 1,742,067 km (0.106 R)
• M8: 2,285,257 km (0.108 R)
• M9: 2,683,038 km (0.093 R)
• M10: 3,204,536 km (0.074 R)
• M11: 3,725,436 km (0.052 R)
• M12: 7,074,035 km (0.108 R)
• M13: 10,062,102 km (0.101 R)
• M14: 10,409,469 km (0.073 R)
• M15: 12,917,028 km (0.077 R)
• M16: 13,431,495 km (0.05 R)
• M17: 13,852,912 km (0.037 R)
• M18: 15,000,926 km (0.104 R)
• M19: 16,093,141 km (0.046 R)
• M20: 16,931,337 km (0.105 R)
• M21: 18,824,498 km (0.111 R)
• M22: 23,478,039 km (0.115 R)
• M23: 25,344,422 km (0.087 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 11,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit