🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.6

Radius: 12.5

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.55 AU - 0.77 AU

Year: 377 Days

Day: 5.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,442,670 km

• M1: 155,432 km (0.101 R)
• M2: 764,595 km (0.105 R)
• M3: 1,166,564 km (0.101 R)
• M4: 1,627,774 km (0.057 R)
• M5: 2,482,277 km (0.056 R)
• M6: 3,456,608 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.1

Radius: 14.7

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.18 AU - 1.7 AU

Year: 1215 Days

Day: 9.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,442,670 km

• M1: 182,809 km (0.085 R)
• M2: 844,330 km (0.1 R)
• M3: 1,650,663 km (0.048 R)
• M4: 2,273,738 km (0.069 R)
• M5: 4,159,270 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.4

Radius: 10.2

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.71 AU - 2.79 AU

Year: 2372 Days

Day: 7.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,442,670 km

• M1: 138,677 km (0.114 R)
• M2: 497,263 km (0.083 R)
• M3: 1,492,239 km (0.078 R)
• M4: 1,893,011 km (0.101 R)
• M5: 2,219,733 km (0.117 R)
• M6: 3,168,184 km (0.087 R)
• M7: 3,763,882 km (0.067 R)
• M8: 5,178,629 km (0.047 R)
• M9: 7,729,124 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.1

Radius: 14.3

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.69 AU - 3.01 AU

Year: 3382 Days

Day: 7.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,442,670 km

• M1: 178,021 km (0.112 R)
• M2: 742,903 km (0.078 R)
• M3: 1,580,651 km (0.066 R)
• M4: 2,180,090 km (0.066 R)
• M5: 3,582,271 km (0.072 R)
• M6: 4,878,237 km (0.096 R)
• M7: 7,956,812 km (0.088 R)
• M8: 9,555,863 km (0.046 R)
• M9: 10,839,862 km (0.105 R)
• M10: 11,647,241 km (0.06 R)
• M11: 12,278,844 km (0.104 R)
• M12: 13,291,621 km (0.069 R)
• M13: 14,454,894 km (0.109 R)
• M14: 16,144,602 km (0.101 R)
• M15: 16,665,801 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.6

Radius: 3.5

Gravity: 12.54 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.15 AU - 6.01 AU

Year: 9265 Days

Day: 21.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,442,670 km

• M1: 43,533 km (0.111 R)
• M2: 204,650 km (0.107 R)
• M3: 349,909 km (0.118 R)
• M4: 540,497 km (0.083 R)
• M5: 850,913 km (0.065 R)
• M6: 1,018,612 km (0.045 R)
• M7: 1,259,016 km (0.067 R)
• M8: 1,466,059 km (0.044 R)
• M9: 1,720,824 km (0.093 R)
• M10: 2,365,442 km (0.061 R)
• M11: 3,137,815 km (0.046 R)
• M12: 3,602,317 km (0.088 R)
• M13: 3,817,887 km (0.073 R)
• M14: 4,087,911 km (0.092 R)
• M15: 4,541,343 km (0.105 R)
• M16: 4,792,966 km (0.053 R)
• M17: 6,920,098 km (0.081 R)
• M18: 8,809,071 km (0.058 R)
• M19: 9,200,269 km (0.09 R)
• M20: 9,521,605 km (0.09 R)
• M21: 10,059,410 km (0.093 R)
• M22: 10,617,410 km (0.069 R)
• M23: 12,560,686 km (0.094 R)
• M24: 13,257,812 km (0.082 R)
• M25: 13,927,861 km (0.119 R)
• M26: 14,566,045 km (0.072 R)
• M27: 17,254,170 km (0.098 R)
• M28: 17,619,488 km (0.119 R)
• M29: 19,067,745 km (0.042 R)
• M30: 22,775,827 km (0.111 R)
• M31: 26,370,963 km (0.028 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.5

Radius: 3.7

Gravity: 32.54 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.37 AU - 8.61 AU

Year: 12990 Days

Day: 16.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,442,670 km

• M1: 46,076 km (0.083 R)
• M2: 199,713 km (0.068 R)
• M3: 572,062 km (0.107 R)
• M4: 746,045 km (0.107 R)
• M5: 996,771 km (0.11 R)
• M6: 1,225,955 km (0.117 R)
• M7: 1,393,055 km (0.113 R)
• M8: 2,145,832 km (0.119 R)
• M9: 2,293,485 km (0.099 R)
• M10: 9,242,156 km (0.079 R)
• M11: 9,884,679 km (0.096 R)
• M12: 11,368,690 km (0.113 R)
• M13: 12,693,978 km (0.055 R)
• M14: 16,343,867 km (0.082 R)
• M15: 16,772,165 km (0.114 R)
• M16: 20,062,720 km (0.064 R)
• M17: 29,638,480 km (0.071 R)
• M18: 32,573,889 km (0.099 R)
• M19: 38,385,318 km (0.077 R)
• M20: 41,336,584 km (0.08 R)
• M21: 42,665,462 km (0.039 R)
• M22: 45,829,756 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 19,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit