🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974

Radius: 13.7

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.46 AU - 0.66 AU

Year: 279 Days

Day: 9.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,995,346 km

• M1: 170,392 km (0.114 R)
• M2: 613,052 km (0.051 R)
• M3: 1,391,859 km (0.072 R)
• M4: 1,828,535 km (0.041 R)
• M5: 2,717,745 km (0.062 R)
• M6: 3,208,575 km (0.106 R)
• M7: 3,914,976 km (0.076 R)
• M8: 4,599,387 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448

Radius: 9

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.75 AU - 0.83 AU

Year: 468 Days

Day: 13.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,995,346 km

• M1: 111,899 km (0.092 R)
• M2: 891,155 km (0.071 R)
• M3: 1,255,276 km (0.089 R)
• M4: 1,585,737 km (0.119 R)
• M5: 1,990,400 km (0.088 R)
• M6: 2,327,144 km (0.067 R)
• M7: 3,105,801 km (0.038 R)
• M8: 3,537,840 km (0.12 R)
• M9: 4,220,306 km (0.115 R)
• M10: 5,017,961 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.5

Radius: 11.8

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.66 AU - 3.06 AU

Year: 3225 Days

Day: 5.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,995,346 km

• M1: 147,055 km (0.117 R)
• M2: 552,615 km (0.028 R)
• M3: 932,743 km (0.099 R)
• M4: 1,667,119 km (0.073 R)
• M5: 3,175,813 km (0.087 R)
• M6: 3,637,173 km (0.091 R)
• M7: 4,289,121 km (0.072 R)
• M8: 5,278,112 km (0.09 R)
• M9: 5,867,378 km (0.119 R)
• M10: 6,654,263 km (0.117 R)
• M11: 7,038,729 km (0.089 R)
• M12: 8,490,128 km (0.081 R)
• M13: 9,440,374 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.6

Radius: 12.3

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.72 AU - 3.5 AU

Year: 3657 Days

Day: 10.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,995,346 km

• M1: 153,039 km (0.114 R)
• M2: 886,816 km (0.061 R)
• M3: 1,922,333 km (0.079 R)
• M4: 2,478,089 km (0.056 R)
• M5: 3,013,948 km (0.09 R)
• M6: 4,731,182 km (0.062 R)
• M7: 5,420,230 km (0.092 R)
• M8: 6,380,948 km (0.101 R)
• M9: 7,138,362 km (0.064 R)
• M10: 8,137,675 km (0.075 R)
• M11: 13,042,541 km (0.109 R)
• M12: 13,556,409 km (0.105 R)
• M13: 13,950,600 km (0.06 R)
• M14: 16,331,151 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.2

Radius: 8.8

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.75 AU - 5.37 AU

Year: 6493 Days

Day: 5.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 126.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,995,346 km

• M1: 109,655 km (0.035 R)
• M2: 431,739 km (0.099 R)
• M3: 717,621 km (0.075 R)
• M4: 1,259,764 km (0.103 R)
• M5: 2,209,710 km (0.087 R)
• M6: 3,130,036 km (0.037 R)
• M7: 3,422,949 km (0.097 R)
• M8: 3,967,784 km (0.09 R)
• M9: 4,387,855 km (0.117 R)
• M10: 5,614,408 km (0.1 R)
• M11: 5,953,846 km (0.084 R)
• M12: 7,020,179 km (0.114 R)
• M13: 8,326,767 km (0.105 R)
• M14: 9,142,524 km (0.087 R)
• M15: 9,569,776 km (0.081 R)
• M16: 12,112,042 km (0.084 R)
• M17: 14,434,399 km (0.059 R)
• M18: 15,073,182 km (0.049 R)
• M19: 15,549,502 km (0.056 R)
• M20: 17,295,758 km (0.082 R)
• M21: 19,798,979 km (0.067 R)
• M22: 21,696,030 km (0.105 R)
• M23: 21,998,367 km (0.059 R)
• M24: 22,921,984 km (0.076 R)
• M25: 26,102,734 km (0.087 R)
• M26: 26,530,734 km (0.06 R)
• M27: 31,359,603 km (0.071 R)
• M28: 33,224,341 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.8

Radius: 6.1

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.31 AU - 7.61 AU

Year: 10949 Days

Day: 23.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,995,346 km

• M1: 77,043 km (0.065 R)
• M2: 333,454 km (0.102 R)
• M3: 1,015,321 km (0.109 R)
• M4: 1,293,722 km (0.1 R)
• M5: 1,589,328 km (0.068 R)
• M6: 2,097,063 km (0.06 R)
• M7: 2,738,838 km (0.095 R)
• M8: 3,355,031 km (0.028 R)
• M9: 3,814,746 km (0.073 R)
• M10: 6,822,860 km (0.067 R)
• M11: 12,009,867 km (0.055 R)
• M12: 15,564,761 km (0.085 R)
• M13: 16,086,259 km (0.086 R)
• M14: 18,404,278 km (0.076 R)
• M15: 18,869,677 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.6

Radius: 4.4

Gravity: 17.13 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 8.58 AU - 12.1 AU

Year: 22172 Days

Day: 18.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,995,346 km

• M1: 54,753 km (0.059 R)
• M2: 208,539 km (0.111 R)
• M3: 521,648 km (0.066 R)
• M4: 708,047 km (0.092 R)
• M5: 853,157 km (0.09 R)
• M6: 1,006,644 km (0.099 R)
• M7: 1,299,258 km (0.063 R)
• M8: 1,679,535 km (0.112 R)
• M9: 1,851,124 km (0.074 R)
• M10: 2,290,493 km (0.056 R)
• M11: 3,138,414 km (0.103 R)
• M12: 3,346,355 km (0.096 R)
• M13: 8,437,170 km (0.06 R)
• M14: 11,896,023 km (0.064 R)
• M15: 13,935,042 km (0.108 R)
• M16: 14,214,042 km (0.109 R)
• M17: 17,614,401 km (0.115 R)
• M18: 17,777,014 km (0.107 R)
• M19: 19,807,057 km (0.076 R)
• M20: 24,928,690 km (0.056 R)
• M21: 26,921,932 km (0.038 R)
• M22: 27,463,626 km (0.114 R)
• M23: 28,345,356 km (0.1 R)
• M24: 29,933,487 km (0.116 R)
• M25: 40,724,580 km (0.036 R)
• M26: 42,890,009 km (0.111 R)
• M27: 44,075,572 km (0.092 R)
• M28: 46,512,222 km (0.101 R)
• M29: 50,169,890 km (0.06 R)
• M30: 60,604,341 km (0.109 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 11,160 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit