🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.5

Radius: 11.7

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.48 AU - 0.68 AU

Year: 305 Days

Day: 13.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,452,552 km

• M1: 145,559 km (0.06 R)
• M2: 558,150 km (0.069 R)
• M3: 1,066,483 km (0.101 R)
• M4: 1,739,225 km (0.096 R)
• M5: 2,190,412 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.6

Radius: 11.4

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.43 AU - 1.75 AU

Year: 1384 Days

Day: 14.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 64 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,452,552 km

• M1: 141,819 km (0.119 R)
• M2: 508,184 km (0.061 R)
• M3: 923,767 km (0.039 R)
• M4: 1,332,618 km (0.107 R)
• M5: 2,053,380 km (0.096 R)
• M6: 2,450,114 km (0.106 R)
• M7: 3,059,426 km (0.052 R)
• M8: 3,767,473 km (0.115 R)
• M9: 4,954,233 km (0.091 R)
• M10: 5,427,860 km (0.045 R)
• M11: 5,824,294 km (0.045 R)
• M12: 6,443,629 km (0.116 R)
• M13: 7,684,394 km (0.066 R)
• M14: 8,239,402 km (0.112 R)
• M15: 9,194,435 km (0.055 R)
• M16: 9,759,466 km (0.038 R)
• M17: 10,537,973 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.8

Radius: 14.6

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.35 AU - 3.61 AU

Year: 3551 Days

Day: 5.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,452,552 km

• M1: 187,596 km (0.028 R)
• M2: 667,655 km (0.092 R)
• M3: 1,684,173 km (0.119 R)
• M4: 2,193,254 km (0.108 R)
• M5: 3,459,301 km (0.063 R)
• M6: 4,151,341 km (0.113 R)
• M7: 5,004,049 km (0.094 R)
• M8: 7,000,133 km (0.034 R)
• M9: 7,887,099 km (0.075 R)
• M10: 9,056,057 km (0.055 R)
• M11: 9,885,278 km (0.106 R)
• M12: 12,767,580 km (0.101 R)
• M13: 13,625,524 km (0.116 R)
• M14: 17,446,403 km (0.072 R)
• M15: 18,277,269 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111

Radius: 8

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.99 AU - 3.71 AU

Year: 4232 Days

Day: 6.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,452,552 km

• M1: 99,782 km (0.066 R)
• M2: 356,641 km (0.099 R)
• M3: 921,523 km (0.083 R)
• M4: 1,687,464 km (0.075 R)
• M5: 2,481,081 km (0.088 R)
• M6: 4,267,878 km (0.059 R)
• M7: 8,049,263 km (0.118 R)
• M8: 13,744,454 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.7

Radius: 14.5

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.28 AU - 3.82 AU

Year: 4617 Days

Day: 14.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,452,552 km

• M1: 180,265 km (0.105 R)
• M2: 783,444 km (0.117 R)
• M3: 1,521,410 km (0.066 R)
• M4: 2,028,846 km (0.094 R)
• M5: 2,666,732 km (0.04 R)
• M6: 3,535,446 km (0.063 R)
• M7: 4,609,858 km (0.034 R)
• M8: 5,133,002 km (0.089 R)
• M9: 5,920,785 km (0.101 R)
• M10: 6,601,754 km (0.073 R)
• M11: 8,228,032 km (0.103 R)
• M12: 9,583,389 km (0.068 R)
• M13: 12,830,561 km (0.096 R)
• M14: 13,719,770 km (0.094 R)
• M15: 17,158,427 km (0.099 R)
• M16: 17,752,630 km (0.092 R)
• M17: 18,919,643 km (0.042 R)
• M18: 20,006,770 km (0.083 R)
• M19: 21,134,888 km (0.119 R)
• M20: 23,883,300 km (0.091 R)
• M21: 24,475,259 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.6

Radius: 3.6

Gravity: 24.51 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.87 AU - 7.09 AU

Year: 11386 Days

Day: 15.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,452,552 km

• M1: 44,879 km (0.091 R)
• M2: 683,812 km (0.111 R)
• M3: 1,157,738 km (0.083 R)
• M4: 1,563,896 km (0.045 R)
• M5: 1,961,677 km (0.057 R)
• M6: 2,953,810 km (0.05 R)
• M7: 3,726,932 km (0.106 R)
• M8: 4,160,167 km (0.081 R)
• M9: 5,342,140 km (0.12 R)
• M10: 5,792,280 km (0.089 R)
• M11: 5,925,422 km (0.1 R)
• M12: 6,267,253 km (0.097 R)
• M13: 7,255,646 km (0.117 R)
• M14: 7,449,525 km (0.067 R)
• M15: 10,887,583 km (0.12 R)
• M16: 11,193,062 km (0.076 R)
• M17: 11,981,593 km (0.099 R)
• M18: 12,472,124 km (0.067 R)
• M19: 12,919,123 km (0.112 R)
• M20: 13,146,661 km (0.079 R)
• M21: 13,492,980 km (0.058 R)
• M22: 13,845,283 km (0.067 R)
• M23: 16,618,977 km (0.035 R)
• M24: 17,573,561 km (0.094 R)
• M25: 18,277,419 km (0.115 R)
• M26: 18,492,242 km (0.056 R)
• M27: 28,820,030 km (0.069 R)
• M28: 39,252,387 km (0.098 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 12,567 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit