🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.2

Radius: 11.9

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.61 AU - 0.83 AU

Year: 422 Days

Day: 5.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 51,259,485 km

• M1: 147,952 km (0.091 R)
• M2: 627,264 km (0.115 R)
• M3: 1,277,267 km (0.114 R)
• M4: 1,713,494 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.6

Radius: 14.4

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.72 AU - 0.84 AU

Year: 476 Days

Day: 14.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,259,485 km

• M1: 180,265 km (0.082 R)
• M2: 798,853 km (0.117 R)
• M3: 1,283,849 km (0.096 R)
• M4: 2,002,068 km (0.1 R)
• M5: 2,682,739 km (0.045 R)
• M6: 3,265,273 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.3

Radius: 12.6

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.99 AU - 1.03 AU

Year: 701 Days

Day: 11.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,259,485 km

• M1: 156,629 km (0.082 R)
• M2: 663,018 km (0.069 R)
• M3: 1,315,564 km (0.104 R)
• M4: 1,825,992 km (0.099 R)
• M5: 2,877,365 km (0.037 R)
• M6: 3,408,887 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.7

Radius: 11.2

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.11 AU - 2.37 AU

Year: 2314 Days

Day: 6.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,259,485 km

• M1: 139,276 km (0.115 R)
• M2: 499,058 km (0.056 R)
• M3: 1,256,473 km (0.069 R)
• M4: 1,668,465 km (0.116 R)
• M5: 2,147,777 km (0.113 R)
• M6: 2,636,363 km (0.082 R)
• M7: 3,839,280 km (0.088 R)
• M8: 4,388,753 km (0.118 R)
• M9: 5,289,332 km (0.07 R)
• M10: 5,645,973 km (0.101 R)
• M11: 7,209,869 km (0.031 R)
• M12: 7,961,748 km (0.089 R)
• M13: 8,673,385 km (0.05 R)
• M14: 9,720,570 km (0.073 R)
• M15: 10,638,353 km (0.054 R)
• M16: 11,064,558 km (0.102 R)
• M17: 14,288,242 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.6

Radius: 9

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.81 AU - 5.07 AU

Year: 7579 Days

Day: 8.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,259,485 km

• M1: 129,701 km (0.025 R)
• M2: 475,572 km (0.109 R)
• M3: 1,028,934 km (0.097 R)
• M4: 1,408,763 km (0.095 R)
• M5: 1,726,359 km (0.097 R)
• M6: 2,060,860 km (0.106 R)
• M7: 5,606,779 km (0.06 R)
• M8: 11,863,560 km (0.11 R)
• M9: 13,357,594 km (0.053 R)
• M10: 14,440,234 km (0.029 R)
• M11: 20,448,383 km (0.11 R)
• M12: 21,576,501 km (0.049 R)
• M13: 22,825,045 km (0.117 R)
• M14: 24,121,161 km (0.096 R)
• M15: 31,050,833 km (0.037 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.3

Radius: 4.4

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.54 AU - 9.48 AU

Year: 17136 Days

Day: 19.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 51,259,485 km

• M1: 54,753 km (0.068 R)
• M2: 528,978 km (0.119 R)
• M3: 694,134 km (0.083 R)
• M4: 1,062,594 km (0.093 R)
• M5: 1,465,012 km (0.06 R)
• M6: 1,748,350 km (0.068 R)
• M7: 2,326,247 km (0.116 R)
• M8: 2,648,331 km (0.056 R)
• M9: 3,930,235 km (0.097 R)
• M10: 4,097,486 km (0.03 R)
• M11: 4,628,109 km (0.088 R)
• M12: 5,303,394 km (0.085 R)
• M13: 6,227,610 km (0.058 R)
• M14: 10,464,521 km (0.057 R)
• M15: 10,624,740 km (0.053 R)
• M16: 13,858,747 km (0.12 R)
• M17: 14,443,824 km (0.083 R)
• M18: 17,096,344 km (0.041 R)
• M19: 19,087,342 km (0.083 R)
• M20: 22,443,720 km (0.079 R)
• M21: 24,541,381 km (0.113 R)
• M22: 25,977,670 km (0.101 R)
• M23: 27,672,165 km (0.113 R)
• M24: 29,333,001 km (0.089 R)
• M25: 32,851,543 km (0.103 R)
• M26: 34,006,289 km (0.119 R)
• M27: 34,711,942 km (0.109 R)
• M28: 37,383,012 km (0.03 R)
• M29: 42,043,883 km (0.061 R)
• M30: 43,404,177 km (0.042 R)
• M31: 45,215,956 km (0.051 R)
• M32: 46,355,593 km (0.099 R)
• M33: 47,368,520 km (0.032 R)
• M34: 48,395,958 km (0.086 R)
• M35: 48,840,713 km (0.116 R)
• M36: 49,138,861 km (0.12 R)
• M37: 49,738,599 km (0.104 R)
• M38: 51,106,073 km (0.095 R)
• M39: 51,259,411 km (0.077 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 12,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit