🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.5

Radius: 13.2

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.73 AU - 0.79 AU

Year: 428 Days

Day: 9.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,726,165 km

• M1: 164,258 km (0.052 R)
• M2: 766,539 km (0.117 R)
• M3: 1,469,799 km (0.044 R)
• M4: 1,922,931 km (0.073 R)
• M5: 3,189,277 km (0.103 R)
• M6: 3,883,112 km (0.117 R)
• M7: 4,409,696 km (0.109 R)
• M8: 4,843,381 km (0.074 R)
• M9: 5,404,971 km (0.108 R)
• M10: 5,956,239 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.1

Radius: 13.3

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.67 AU - 1.03 AU

Year: 506 Days

Day: 7 Hours

Environment

Temp: -140 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,726,165 km

• M1: 165,455 km (0.107 R)
• M2: 628,311 km (0.1 R)
• M3: 1,407,866 km (0.117 R)
• M4: 1,840,503 km (0.059 R)
• M5: 2,466,270 km (0.094 R)
• M6: 2,941,992 km (0.095 R)
• M7: 3,359,519 km (0.111 R)
• M8: 4,149,546 km (0.09 R)
• M9: 4,828,421 km (0.06 R)
• M10: 5,267,191 km (0.114 R)
• M11: 5,870,819 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.1

Radius: 8.5

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.08 AU - 1.26 AU

Year: 817 Days

Day: 8.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,726,165 km

• M1: 109,356 km (0.068 R)
• M2: 458,368 km (0.12 R)
• M3: 727,644 km (0.105 R)
• M4: 1,023,100 km (0.081 R)
• M5: 1,323,642 km (0.078 R)
• M6: 1,796,970 km (0.108 R)
• M7: 2,125,636 km (0.067 R)
• M8: 2,694,258 km (0.114 R)
• M9: 3,014,846 km (0.032 R)
• M10: 3,518,991 km (0.076 R)
• M11: 3,876,530 km (0.113 R)
• M12: 4,258,453 km (0.056 R)
• M13: 5,323,739 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436

Radius: 9.6

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.23 AU - 1.97 AU

Year: 1307 Days

Day: 7 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,726,165 km

• M1: 119,529 km (0.103 R)
• M2: 959,970 km (0.083 R)
• M3: 1,423,873 km (0.056 R)
• M4: 1,754,185 km (0.077 R)
• M5: 2,884,397 km (0.061 R)
• M6: 4,021,490 km (0.05 R)
• M7: 4,339,086 km (0.054 R)
• M8: 5,006,143 km (0.104 R)
• M9: 5,315,063 km (0.026 R)
• M10: 6,820,167 km (0.112 R)
• M11: 7,445,785 km (0.056 R)
• M12: 8,004,533 km (0.048 R)
• M13: 10,121,792 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.3

Radius: 12.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.14 AU - 3.16 AU

Year: 2785 Days

Day: 12.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,726,165 km

• M1: 157,975 km (0.097 R)
• M2: 617,241 km (0.113 R)
• M3: 1,015,321 km (0.103 R)
• M4: 1,713,045 km (0.116 R)
• M5: 2,376,961 km (0.1 R)
• M6: 2,901,002 km (0.071 R)
• M7: 3,886,253 km (0.04 R)
• M8: 5,105,027 km (0.073 R)
• M9: 5,696,238 km (0.114 R)
• M10: 6,564,055 km (0.049 R)
• M11: 7,125,795 km (0.102 R)
• M12: 8,224,143 km (0.108 R)
• M13: 8,782,442 km (0.082 R)
• M14: 10,646,581 km (0.097 R)
• M15: 12,119,522 km (0.05 R)
• M16: 13,510,932 km (0.115 R)
• M17: 14,113,811 km (0.085 R)
• M18: 14,870,028 km (0.06 R)
• M19: 15,281,273 km (0.107 R)
• M20: 15,888,640 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.4

Radius: 9

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.31 AU - 5.93 AU

Year: 8602 Days

Day: 11.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 32,726,165 km

• M1: 111,899 km (0.026 R)
• M2: 496,515 km (0.099 R)
• M3: 1,017,266 km (0.116 R)
• M4: 1,344,735 km (0.055 R)
• M5: 2,120,251 km (0.108 R)
• M6: 2,857,918 km (0.047 R)
• M7: 3,829,855 km (0.087 R)
• M8: 5,584,788 km (0.041 R)
• M9: 6,727,715 km (0.065 R)
• M10: 8,222,797 km (0.117 R)
• M11: 8,639,427 km (0.055 R)
• M12: 9,742,711 km (0.117 R)
• M13: 10,544,855 km (0.107 R)
• M14: 12,550,813 km (0.116 R)
• M15: 14,376,655 km (0.074 R)
• M16: 14,737,784 km (0.112 R)
• M17: 15,667,086 km (0.057 R)
• M18: 16,049,608 km (0.088 R)
• M19: 16,966,343 km (0.076 R)
• M20: 20,984,692 km (0.041 R)
• M21: 22,804,550 km (0.093 R)
• M22: 23,461,434 km (0.103 R)
• M23: 26,394,899 km (0.067 R)
• M24: 30,148,758 km (0.069 R)
• M25: 32,460,793 km (0.091 R)
• M26: 33,501,994 km (0.09 R)
• M27: 34,565,336 km (0.054 R)
• M28: 37,890,149 km (0.11 R)
• M29: 38,233,925 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.9

Radius: 12

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.12 AU - 6.54 AU

Year: 9089 Days

Day: 10.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,726,165 km

• M1: 149,299 km (0.106 R)
• M2: 545,583 km (0.071 R)
• M3: 1,257,221 km (0.1 R)
• M4: 1,669,213 km (0.111 R)
• M5: 2,234,095 km (0.065 R)
• M6: 3,000,634 km (0.093 R)
• M7: 3,684,895 km (0.04 R)
• M8: 4,470,583 km (0.103 R)
• M9: 4,971,736 km (0.114 R)
• M10: 6,771,996 km (0.104 R)
• M11: 7,616,476 km (0.105 R)
• M12: 8,890,751 km (0.093 R)
• M13: 10,620,102 km (0.105 R)
• M14: 11,808,807 km (0.064 R)
• M15: 12,979,111 km (0.081 R)
• M16: 14,906,081 km (0.085 R)
• M17: 17,206,747 km (0.109 R)
• M18: 17,655,092 km (0.084 R)
• M19: 18,176,889 km (0.054 R)
• M20: 21,601,185 km (0.031 R)
• M21: 22,349,473 km (0.061 R)
• M22: 27,816,078 km (0.073 R)
• M23: 31,092,870 km (0.036 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 13,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit