🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.7

Radius: 14.8

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.57 AU - 0.81 AU

Year: 396 Days

Day: 6 Hours

Environment

Temp: -147 °C

Axial Tilt: 112.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,451,204 km

• M1: 184,005 km (0.064 R)
• M2: 759,508 km (0.025 R)
• M3: 1,469,201 km (0.025 R)
• M4: 1,951,355 km (0.105 R)
• M5: 2,556,777 km (0.041 R)
• M6: 3,046,860 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986

Radius: 9.7

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.61 AU - 3.69 AU

Year: 3859 Days

Day: 6.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,451,204 km

• M1: 121,922 km (0.056 R)
• M2: 491,429 km (0.1 R)
• M3: 810,072 km (0.112 R)
• M4: 1,156,541 km (0.059 R)
• M5: 2,344,647 km (0.093 R)
• M6: 3,048,805 km (0.115 R)
• M7: 3,379,565 km (0.072 R)
• M8: 4,719,514 km (0.109 R)
• M9: 5,164,268 km (0.075 R)
• M10: 5,839,553 km (0.044 R)
• M11: 6,636,461 km (0.109 R)
• M12: 7,263,425 km (0.099 R)
• M13: 7,965,638 km (0.115 R)
• M14: 8,370,599 km (0.095 R)
• M15: 9,342,537 km (0.119 R)
• M16: 10,215,739 km (0.045 R)
• M17: 13,010,078 km (0.104 R)
• M18: 13,314,958 km (0.07 R)
• M19: 13,991,889 km (0.12 R)
• M20: 14,911,617 km (0.11 R)
• M21: 15,245,669 km (0.078 R)
• M22: 16,811,061 km (0.119 R)
• M23: 17,356,046 km (0.092 R)
• M24: 17,912,550 km (0.067 R)
• M25: 19,323,407 km (0.058 R)
• M26: 21,014,761 km (0.104 R)
• M27: 22,437,287 km (0.091 R)
• M28: 25,950,892 km (0.108 R)
• M29: 27,922,293 km (0.094 R)
• M30: 28,345,206 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.8

Radius: 9.4

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.89 AU - 4.47 AU

Year: 4873 Days

Day: 8.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,451,204 km

• M1: 116,986 km (0.116 R)
• M2: 548,575 km (0.094 R)
• M3: 917,484 km (0.101 R)
• M4: 1,766,302 km (0.103 R)
• M5: 2,155,107 km (0.114 R)
• M6: 3,303,121 km (0.051 R)
• M7: 3,965,690 km (0.109 R)
• M8: 5,785,997 km (0.067 R)
• M9: 6,650,373 km (0.072 R)
• M10: 7,012,699 km (0.09 R)
• M11: 7,457,903 km (0.085 R)
• M12: 8,442,705 km (0.115 R)
• M13: 9,026,137 km (0.095 R)
• M14: 10,404,083 km (0.098 R)
• M15: 11,584,710 km (0.071 R)
• M16: 12,852,402 km (0.088 R)
• M17: 19,852,086 km (0.083 R)
• M18: 21,590,563 km (0.119 R)
• M19: 22,167,562 km (0.059 R)
• M20: 23,960,642 km (0.096 R)
• M21: 24,268,664 km (0.097 R)
• M22: 24,579,379 km (0.094 R)
• M23: 28,003,225 km (0.099 R)
• M24: 29,036,947 km (0.042 R)
• M25: 29,475,119 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.6

Radius: 5.9

Gravity: 15.42 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.17 AU - 7.45 AU

Year: 10941 Days

Day: 22.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,451,204 km

• M1: 74,201 km (0.114 R)
• M2: 415,433 km (0.099 R)
• M3: 1,169,257 km (0.083 R)
• M4: 1,579,754 km (0.104 R)
• M5: 2,030,492 km (0.071 R)
• M6: 2,938,401 km (0.097 R)
• M7: 3,470,072 km (0.117 R)
• M8: 4,090,903 km (0.116 R)
• M9: 5,858,701 km (0.112 R)
• M10: 6,968,568 km (0.12 R)
• M11: 8,886,114 km (0.036 R)
• M12: 10,191,505 km (0.092 R)
• M13: 10,758,181 km (0.039 R)
• M14: 11,564,663 km (0.081 R)
• M15: 12,410,639 km (0.068 R)
• M16: 12,819,191 km (0.044 R)
• M17: 20,313,296 km (0.112 R)
• M18: 24,600,622 km (0.103 R)
• M19: 26,376,349 km (0.096 R)
• M20: 28,638,119 km (0.101 R)
• M21: 28,942,401 km (0.059 R)
• M22: 35,489,402 km (0.086 R)
• M23: 35,957,943 km (0.094 R)
• M24: 36,787,762 km (0.058 R)
• M25: 38,240,058 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.4

Radius: 5.9

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.37 AU - 9.83 AU

Year: 15913 Days

Day: 17.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,451,204 km

• M1: 73,453 km (0.104 R)
• M2: 350,807 km (0.102 R)
• M3: 554,111 km (0.106 R)
• M4: 1,392,607 km (0.104 R)
• M5: 2,791,347 km (0.045 R)
• M6: 5,064,187 km (0.117 R)
• M7: 6,528,601 km (0.09 R)
• M8: 8,166,249 km (0.109 R)
• M9: 8,891,948 km (0.088 R)
• M10: 10,733,348 km (0.088 R)
• M11: 14,558,566 km (0.085 R)
• M12: 17,535,114 km (0.029 R)
• M13: 19,756,792 km (0.096 R)
• M14: 24,565,167 km (0.118 R)
• M15: 26,262,355 km (0.083 R)
• M16: 28,036,287 km (0.086 R)
• M17: 38,238,113 km (0.117 R)
• M18: 40,512,300 km (0.055 R)
• M19: 41,945,448 km (0.099 R)
• M20: 46,872,304 km (0.093 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: 167 - 18,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit