🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.9

Radius: 13.5

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.57 AU - 0.57 AU

Year: 287 Days

Day: 8.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 97,649,339 km

• M1: 167,998 km (0.103 R)
• M2: 653,892 km (0.07 R)
• M3: 1,078,301 km (0.107 R)
• M4: 1,530,835 km (0.101 R)
• M5: 1,985,463 km (0.112 R)
• M6: 2,539,573 km (0.108 R)
• M7: 3,255,100 km (0.116 R)
• M8: 3,753,261 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395

Radius: 10.8

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.96 AU - 1.44 AU

Year: 877 Days

Day: 9.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 97,649,339 km

• M1: 136,134 km (0.102 R)
• M2: 474,674 km (0.115 R)
• M3: 872,904 km (0.053 R)
• M4: 1,359,695 km (0.085 R)
• M5: 1,780,963 km (0.114 R)
• M6: 2,338,963 km (0.059 R)
• M7: 2,687,526 km (0.084 R)
• M8: 3,639,716 km (0.083 R)
• M9: 4,216,566 km (0.097 R)
• M10: 4,937,328 km (0.107 R)
• M11: 7,373,380 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.5

Radius: 14.2

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.04 AU - 2.46 AU

Year: 2251 Days

Day: 6.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 97,649,339 km

• M1: 180,415 km (0.046 R)
• M2: 855,101 km (0.082 R)
• M3: 1,570,927 km (0.087 R)
• M4: 2,160,343 km (0.094 R)
• M5: 2,667,928 km (0.076 R)
• M6: 3,171,176 km (0.119 R)
• M7: 3,928,590 km (0.085 R)
• M8: 5,360,690 km (0.087 R)
• M9: 6,038,368 km (0.092 R)
• M10: 8,160,115 km (0.115 R)
• M11: 8,887,460 km (0.055 R)
• M12: 9,948,707 km (0.057 R)
• M13: 10,625,039 km (0.102 R)
• M14: 12,839,686 km (0.108 R)
• M15: 14,383,087 km (0.037 R)
• M16: 15,794,543 km (0.078 R)
• M17: 17,296,655 km (0.114 R)
• M18: 18,948,814 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.2

Radius: 10.8

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.76 AU - 3.58 AU

Year: 3764 Days

Day: 13.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 97,649,339 km

• M1: 134,488 km (0.108 R)
• M2: 514,317 km (0.089 R)
• M3: 1,425,518 km (0.12 R)
• M4: 2,028,547 km (0.032 R)
• M5: 2,383,692 km (0.099 R)
• M6: 3,318,679 km (0.116 R)
• M7: 4,442,159 km (0.102 R)
• M8: 5,314,165 km (0.085 R)
• M9: 5,948,161 km (0.112 R)
• M10: 6,952,411 km (0.114 R)
• M11: 7,311,147 km (0.089 R)
• M12: 7,740,493 km (0.094 R)
• M13: 8,096,087 km (0.101 R)
• M14: 8,618,483 km (0.059 R)
• M15: 13,093,853 km (0.053 R)
• M16: 15,474,105 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.1

Radius: 3.4

Gravity: 28.64 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.83 AU - 9.07 AU

Year: 13560 Days

Day: 18.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 97,649,339 km

• M1: 42,336 km (0.061 R)
• M2: 918,681 km (0.034 R)
• M3: 1,200,373 km (0.105 R)
• M4: 1,361,490 km (0.095 R)
• M5: 2,084,796 km (0.091 R)
• M6: 3,728,727 km (0.072 R)
• M7: 3,858,428 km (0.032 R)
• M8: 6,666,829 km (0.073 R)
• M9: 7,619,468 km (0.101 R)
• M10: 8,435,226 km (0.079 R)
• M11: 11,887,346 km (0.109 R)
• M12: 12,862,874 km (0.118 R)
• M13: 15,299,823 km (0.08 R)
• M14: 16,107,502 km (0.114 R)
• M15: 16,731,475 km (0.09 R)
• M16: 19,779,232 km (0.061 R)
• M17: 28,921,756 km (0.117 R)
• M18: 29,533,312 km (0.066 R)
• M19: 30,153,396 km (0.113 R)
• M20: 37,920,218 km (0.088 R)
• M21: 41,547,069 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 978.5

Radius: 3.3

Gravity: 89.85 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 10.44 AU - 11.56 AU

Year: 24329 Days

Day: 16.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 97,649,339 km

• M1: 41,139 km (0.087 R)
• M2: 189,541 km (0.091 R)
• M3: 326,423 km (0.071 R)
• M4: 742,753 km (0.096 R)
• M5: 1,213,239 km (0.068 R)
• M6: 1,407,267 km (0.117 R)
• M7: 2,229,906 km (0.068 R)
• M8: 2,421,541 km (0.109 R)
• M9: 2,756,341 km (0.107 R)
• M10: 3,034,144 km (0.097 R)
• M11: 3,810,108 km (0.102 R)
• M12: 5,524,799 km (0.114 R)
• M13: 6,768,256 km (0.048 R)
• M14: 7,910,436 km (0.108 R)
• M15: 9,728,948 km (0.069 R)
• M16: 10,110,422 km (0.082 R)
• M17: 10,568,042 km (0.047 R)
• M18: 15,582,264 km (0.09 R)
• M19: 18,987,261 km (0.114 R)
• M20: 19,184,281 km (0.074 R)
• M21: 20,705,542 km (0.083 R)
• M22: 20,809,812 km (0.069 R)
• M23: 22,305,342 km (0.077 R)
• M24: 26,111,261 km (0.064 R)
• M25: 28,875,381 km (0.114 R)
• M26: 30,732,190 km (0.119 R)
• M27: 36,625,149 km (0.056 R)
• M28: 37,237,453 km (0.047 R)
• M29: 40,239,134 km (0.073 R)
• M30: 46,005,833 km (0.119 R)
• M31: 46,897,736 km (0.097 R)
• M32: 47,077,552 km (0.072 R)
• M33: 57,687,482 km (0.061 R)
• M34: 57,893,927 km (0.07 R)
• M35: 60,621,695 km (0.088 R)
• M36: 69,783,816 km (0.094 R)
• M37: 72,150,455 km (0.091 R)
• M38: 73,111,920 km (0.107 R)
• M39: 75,306,371 km (0.052 R)
• M40: 78,552,944 km (0.048 R)
• M41: 78,806,513 km (0.116 R)
• M42: 89,125,475 km (0.037 R)
• M43: 93,891,962 km (0.09 R)
• M44: 96,192,478 km (0.06 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 12,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit