🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.6

Radius: 14.6

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.56 AU - 0.88 AU

Year: 429 Days

Day: 12.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,908,827 km

• M1: 181,612 km (0.1 R)
• M2: 714,479 km (0.118 R)
• M3: 1,438,533 km (0.08 R)
• M4: 1,916,349 km (0.062 R)
• M5: 2,473,302 km (0.093 R)
• M6: 3,060,024 km (0.112 R)
• M7: 3,650,637 km (0.098 R)
• M8: 4,416,578 km (0.059 R)
• M9: 4,907,558 km (0.103 R)
• M10: 5,468,401 km (0.12 R)
• M11: 5,983,017 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420

Radius: 12

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.27 AU - 1.55 AU

Year: 1177 Days

Day: 12.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,908,827 km

• M1: 149,299 km (0.112 R)
• M2: 648,956 km (0.1 R)
• M3: 1,699,581 km (0.114 R)
• M4: 3,410,083 km (0.087 R)
• M5: 5,305,040 km (0.117 R)
• M6: 5,836,711 km (0.093 R)
• M7: 8,250,472 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259

Radius: 10.4

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.26 AU - 4.68 AU

Year: 5560 Days

Day: 7.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,908,827 km

• M1: 159,471 km (0.102 R)
• M2: 608,863 km (0.115 R)
• M3: 944,262 km (0.082 R)
• M4: 1,438,832 km (0.092 R)
• M5: 2,101,252 km (0.078 R)
• M6: 2,457,743 km (0.083 R)
• M7: 3,202,890 km (0.114 R)
• M8: 3,758,796 km (0.067 R)
• M9: 4,333,102 km (0.075 R)
• M10: 4,989,538 km (0.1 R)
• M11: 6,500,626 km (0.083 R)
• M12: 9,650,858 km (0.101 R)
• M13: 13,601,289 km (0.087 R)
• M14: 16,175,719 km (0.041 R)
• M15: 17,120,579 km (0.118 R)
• M16: 18,816,420 km (0.115 R)
• M17: 21,665,661 km (0.105 R)
• M18: 22,133,454 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.7

Radius: 8.4

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.39 AU - 4.63 AU

Year: 5644 Days

Day: 6.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,908,827 km

• M1: 104,419 km (0.111 R)
• M2: 374,294 km (0.114 R)
• M3: 865,872 km (0.073 R)
• M4: 1,311,824 km (0.109 R)
• M5: 1,624,483 km (0.115 R)
• M6: 2,028,697 km (0.101 R)
• M7: 2,531,794 km (0.079 R)
• M8: 3,615,481 km (0.047 R)
• M9: 5,636,997 km (0.11 R)
• M10: 7,052,642 km (0.12 R)
• M11: 7,596,430 km (0.116 R)
• M12: 8,241,347 km (0.102 R)
• M13: 9,436,933 km (0.113 R)
• M14: 10,439,089 km (0.118 R)
• M15: 11,190,669 km (0.047 R)
• M16: 11,464,433 km (0.097 R)
• M17: 11,742,535 km (0.11 R)
• M18: 14,027,643 km (0.048 R)
• M19: 14,507,104 km (0.036 R)
• M20: 16,830,808 km (0.09 R)
• M21: 18,174,945 km (0.098 R)
• M22: 18,553,577 km (0.102 R)
• M23: 21,493,025 km (0.038 R)
• M24: 23,517,384 km (0.108 R)
• M25: 24,499,045 km (0.092 R)
• M26: 25,429,244 km (0.056 R)
• M27: 26,949,907 km (0.101 R)
• M28: 27,277,676 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.7

Radius: 14.9

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.29 AU - 4.37 AU

Year: 6333 Days

Day: 12.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,908,827 km

• M1: 219,310 km (0.094 R)
• M2: 689,945 km (0.086 R)
• M3: 1,314,516 km (0.062 R)
• M4: 2,468,664 km (0.101 R)
• M5: 3,120,911 km (0.055 R)
• M6: 4,153,734 km (0.057 R)
• M7: 4,626,613 km (0.058 R)
• M8: 7,321,769 km (0.096 R)
• M9: 9,062,639 km (0.093 R)
• M10: 10,114,013 km (0.055 R)
• M11: 15,313,287 km (0.051 R)
• M12: 17,221,557 km (0.111 R)
• M13: 17,953,240 km (0.101 R)
• M14: 18,897,053 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.5

Radius: 14.1

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.86 AU - 4.96 AU

Year: 6510 Days

Day: 14.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 90,908,827 km

• M1: 175,329 km (0.114 R)
• M2: 1,211,743 km (0.082 R)
• M3: 1,691,653 km (0.066 R)
• M4: 2,161,689 km (0.115 R)
• M5: 2,828,297 km (0.11 R)
• M6: 3,944,148 km (0.057 R)
• M7: 5,508,493 km (0.082 R)
• M8: 5,988,552 km (0.1 R)
• M9: 6,964,529 km (0.054 R)
• M10: 9,912,654 km (0.028 R)
• M11: 11,759,889 km (0.119 R)
• M12: 14,379,796 km (0.111 R)
• M13: 14,832,479 km (0.103 R)
• M14: 16,126,800 km (0.074 R)
• M15: 16,988,783 km (0.105 R)
• M16: 18,339,203 km (0.055 R)
• M17: 18,805,051 km (0.048 R)
• M18: 20,747,429 km (0.07 R)
• M19: 21,326,224 km (0.094 R)
• M20: 24,463,441 km (0.109 R)
• M21: 26,184,115 km (0.079 R)
• M22: 27,288,896 km (0.036 R)
• M23: 27,896,562 km (0.091 R)
• M24: 28,336,081 km (0.106 R)
• M25: 28,780,237 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.8

Radius: 12.2

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.5 AU - 5.66 AU

Year: 8048 Days

Day: 14.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,908,827 km

• M1: 151,842 km (0.078 R)
• M2: 830,119 km (0.075 R)
• M3: 2,309,043 km (0.108 R)
• M4: 2,869,437 km (0.027 R)
• M5: 6,900,351 km (0.098 R)
• M6: 8,031,012 km (0.071 R)
• M7: 8,620,727 km (0.116 R)
• M8: 9,239,164 km (0.111 R)
• M9: 9,667,762 km (0.081 R)
• M10: 10,472,898 km (0.045 R)
• M11: 11,177,355 km (0.115 R)
• M12: 11,963,491 km (0.052 R)
• M13: 12,370,098 km (0.11 R)
• M14: 15,421,446 km (0.115 R)
• M15: 17,999,915 km (0.049 R)
• M16: 20,853,345 km (0.072 R)
• M17: 21,517,859 km (0.112 R)
• M18: 22,502,661 km (0.104 R)
• M19: 23,995,798 km (0.087 R)
• M20: 25,890,455 km (0.091 R)
• M21: 27,091,277 km (0.117 R)
• M22: 28,418,958 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.7

Radius: 5

Gravity: 36.83 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.5 AU - 10.68 AU

Year: 22529 Days

Day: 20.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,908,827 km

• M1: 62,233 km (0.117 R)
• M2: 394,041 km (0.117 R)
• M3: 788,979 km (0.105 R)
• M4: 1,211,294 km (0.116 R)
• M5: 2,077,914 km (0.073 R)
• M6: 2,539,723 km (0.115 R)
• M7: 3,857,979 km (0.079 R)
• M8: 4,195,622 km (0.102 R)
• M9: 10,046,395 km (0.111 R)
• M10: 12,042,329 km (0.112 R)
• M11: 16,447,538 km (0.086 R)
• M12: 17,787,486 km (0.118 R)
• M13: 22,455,089 km (0.092 R)
• M14: 32,303,267 km (0.106 R)
• M15: 33,548,370 km (0.066 R)
• M16: 37,324,968 km (0.082 R)
• M17: 37,626,707 km (0.063 R)
• M18: 38,388,160 km (0.12 R)
• M19: 39,159,786 km (0.078 R)
• M20: 57,845,757 km (0.099 R)
• M21: 65,410,323 km (0.068 R)
• M22: 78,444,785 km (0.095 R)
• M23: 85,566,392 km (0.118 R)
• M24: 90,908,831 km (0.111 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 11,672 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit