🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.9

Radius: 13.2

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.53 AU - 0.83 AU

Year: 387 Days

Day: 7.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,443,404 km

• M1: 164,408 km (0.071 R)
• M2: 779,854 km (0.05 R)
• M3: 1,202,318 km (0.115 R)
• M4: 1,748,500 km (0.097 R)
• M5: 2,172,909 km (0.111 R)
• M6: 2,619,758 km (0.109 R)
• M7: 3,101,762 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.3

Radius: 13.8

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.79 AU - 0.89 AU

Year: 531 Days

Day: 5.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,443,404 km

• M1: 171,738 km (0.118 R)
• M2: 728,841 km (0.071 R)
• M3: 1,168,210 km (0.109 R)
• M4: 1,951,654 km (0.111 R)
• M5: 2,551,242 km (0.054 R)
• M6: 3,017,688 km (0.105 R)
• M7: 3,450,176 km (0.062 R)
• M8: 5,140,781 km (0.082 R)
• M9: 5,874,260 km (0.08 R)
• M10: 6,414,607 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.1

Radius: 14.8

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.71 AU - 1.03 AU

Year: 560 Days

Day: 12.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,443,404 km

• M1: 224,546 km (0.067 R)
• M2: 704,456 km (0.091 R)
• M3: 1,223,711 km (0.084 R)
• M4: 2,147,926 km (0.097 R)
• M5: 2,844,005 km (0.106 R)
• M6: 3,676,517 km (0.105 R)
• M7: 4,163,159 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.2

Radius: 13.8

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.65 AU - 3.69 AU

Year: 3896 Days

Day: 7 Hours

Environment

Temp: -207 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,443,404 km

• M1: 172,786 km (0.103 R)
• M2: 607,667 km (0.045 R)
• M3: 1,195,885 km (0.094 R)
• M4: 2,264,164 km (0.072 R)
• M5: 2,728,216 km (0.101 R)
• M6: 3,373,881 km (0.096 R)
• M7: 4,281,940 km (0.066 R)
• M8: 5,796,917 km (0.03 R)
• M9: 6,582,306 km (0.095 R)
• M10: 7,066,854 km (0.105 R)
• M11: 8,896,286 km (0.09 R)
• M12: 9,490,190 km (0.099 R)
• M13: 10,495,188 km (0.104 R)
• M14: 11,340,267 km (0.114 R)
• M15: 12,965,348 km (0.117 R)
• M16: 13,938,482 km (0.062 R)
• M17: 15,404,691 km (0.119 R)
• M18: 16,673,431 km (0.119 R)
• M19: 18,833,923 km (0.06 R)
• M20: 19,748,415 km (0.097 R)
• M21: 26,108,120 km (0.102 R)
• M22: 26,998,676 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.6

Radius: 13.5

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.77 AU - 3.79 AU

Year: 5073 Days

Day: 12.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,443,404 km

• M1: 167,849 km (0.114 R)
• M2: 647,011 km (0.094 R)
• M3: 1,126,921 km (0.11 R)
• M4: 1,825,244 km (0.087 R)
• M5: 2,251,149 km (0.056 R)
• M6: 2,781,174 km (0.063 R)
• M7: 3,436,712 km (0.059 R)
• M8: 4,218,361 km (0.098 R)
• M9: 5,172,047 km (0.099 R)
• M10: 6,009,346 km (0.072 R)
• M11: 6,970,064 km (0.091 R)
• M12: 9,238,566 km (0.04 R)
• M13: 11,080,565 km (0.104 R)
• M14: 15,065,403 km (0.105 R)
• M15: 16,582,326 km (0.087 R)
• M16: 17,152,742 km (0.05 R)
• M17: 18,874,165 km (0.095 R)
• M18: 21,221,804 km (0.102 R)
• M19: 22,658,542 km (0.092 R)
• M20: 23,440,341 km (0.09 R)
• M21: 24,159,159 km (0.076 R)
• M22: 25,809,373 km (0.11 R)
• M23: 26,404,323 km (0.057 R)
• M24: 31,402,538 km (0.076 R)
• M25: 31,886,038 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.2

Radius: 9.9

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.16 AU - 4.54 AU

Year: 6262 Days

Day: 6 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,443,404 km

• M1: 123,119 km (0.026 R)
• M2: 510,877 km (0.086 R)
• M3: 1,048,083 km (0.069 R)
• M4: 2,616,467 km (0.118 R)
• M5: 3,790,810 km (0.114 R)
• M6: 4,932,840 km (0.103 R)
• M7: 6,416,402 km (0.083 R)
• M8: 8,830,164 km (0.117 R)
• M9: 9,475,828 km (0.117 R)
• M10: 11,697,955 km (0.075 R)
• M11: 13,342,036 km (0.084 R)
• M12: 14,246,654 km (0.045 R)
• M13: 18,341,746 km (0.11 R)
• M14: 20,001,086 km (0.114 R)
• M15: 29,376,534 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.7

Radius: 12.8

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.16 AU - 4.72 AU

Year: 6458 Days

Day: 7.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,443,404 km

• M1: 159,322 km (0.05 R)
• M2: 579,393 km (0.088 R)
• M3: 1,666,670 km (0.099 R)
• M4: 2,207,167 km (0.081 R)
• M5: 2,687,975 km (0.115 R)
• M6: 3,103,557 km (0.115 R)
• M7: 3,562,374 km (0.102 R)
• M8: 4,668,650 km (0.103 R)
• M9: 5,412,900 km (0.094 R)
• M10: 6,644,090 km (0.099 R)
• M11: 7,551,551 km (0.095 R)
• M12: 8,501,946 km (0.045 R)
• M13: 9,245,747 km (0.088 R)
• M14: 9,821,250 km (0.051 R)
• M15: 11,692,270 km (0.046 R)
• M16: 13,632,854 km (0.094 R)
• M17: 14,325,043 km (0.107 R)
• M18: 26,311,573 km (0.081 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 17,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit