🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.6

Radius: 8

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.77 AU - 0.85 AU

Year: 512 Days

Day: 8.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,674,462 km

• M1: 99,483 km (0.071 R)
• M2: 366,515 km (0.092 R)
• M3: 644,168 km (0.096 R)
• M4: 982,409 km (0.077 R)
• M5: 1,410,558 km (0.097 R)
• M6: 1,668,764 km (0.12 R)
• M7: 1,925,025 km (0.075 R)
• M8: 2,244,866 km (0.098 R)
• M9: 2,589,838 km (0.081 R)
• M10: 3,399,013 km (0.11 R)
• M11: 3,828,359 km (0.063 R)
• M12: 5,069,273 km (0.109 R)
• M13: 5,953,546 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.1

Radius: 11.2

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.32 AU - 1.52 AU

Year: 1189 Days

Day: 11.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,674,462 km

• M1: 139,575 km (0.113 R)
• M2: 517,160 km (0.11 R)
• M3: 901,477 km (0.109 R)
• M4: 1,427,014 km (0.102 R)
• M5: 2,034,381 km (0.103 R)
• M6: 2,511,449 km (0.087 R)
• M7: 2,975,801 km (0.111 R)
• M8: 3,497,299 km (0.114 R)
• M9: 4,323,678 km (0.087 R)
• M10: 4,828,271 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.3

Radius: 13.6

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.57 AU - 1.77 AU

Year: 1517 Days

Day: 13.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,674,462 km

• M1: 172,486 km (0.057 R)
• M2: 690,544 km (0.065 R)
• M3: 1,342,192 km (0.09 R)
• M4: 2,368,433 km (0.066 R)
• M5: 2,910,576 km (0.085 R)
• M6: 3,894,631 km (0.107 R)
• M7: 4,355,542 km (0.088 R)
• M8: 5,962,672 km (0.116 R)
• M9: 6,475,942 km (0.097 R)
• M10: 7,636,971 km (0.119 R)

Asteroid Belt

Center: 2.6 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.6

Radius: 12.4

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.09 AU - 3.97 AU

Year: 4662 Days

Day: 7.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,674,462 km

• M1: 155,731 km (0.081 R)
• M2: 1,816,866 km (0.078 R)
• M3: 2,365,591 km (0.078 R)
• M4: 4,308,568 km (0.09 R)
• M5: 5,210,643 km (0.101 R)
• M6: 6,019,818 km (0.105 R)
• M7: 8,221,151 km (0.11 R)
• M8: 10,159,491 km (0.1 R)
• M9: 13,878,942 km (0.108 R)
• M10: 15,032,791 km (0.108 R)
• M11: 17,468,394 km (0.078 R)
• M12: 18,944,326 km (0.087 R)
• M13: 19,814,537 km (0.052 R)
• M14: 23,793,541 km (0.075 R)
• M15: 26,503,357 km (0.115 R)
• M16: 28,104,054 km (0.119 R)
• M17: 29,324,175 km (0.111 R)
• M18: 29,947,399 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.5

Radius: 13.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.02 AU - 4.34 AU

Year: 4962 Days

Day: 13.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,674,462 km

• M1: 167,849 km (0.099 R)
• M2: 746,643 km (0.102 R)
• M3: 1,286,691 km (0.106 R)
• M4: 1,973,645 km (0.099 R)
• M5: 4,345,369 km (0.105 R)
• M6: 7,052,343 km (0.115 R)
• M7: 7,487,673 km (0.03 R)
• M8: 8,796,205 km (0.099 R)
• M9: 10,410,217 km (0.071 R)
• M10: 11,017,285 km (0.104 R)
• M11: 12,706,993 km (0.1 R)
• M12: 20,265,724 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.1

Radius: 10

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.34 AU - 5.98 AU

Year: 8239 Days

Day: 13.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,674,462 km

• M1: 125,513 km (0.112 R)
• M2: 561,590 km (0.093 R)
• M3: 898,036 km (0.034 R)
• M4: 1,614,161 km (0.094 R)
• M5: 2,254,590 km (0.115 R)
• M6: 2,925,087 km (0.045 R)
• M7: 3,572,696 km (0.104 R)
• M8: 4,173,930 km (0.098 R)
• M9: 6,878,809 km (0.116 R)
• M10: 9,241,708 km (0.055 R)
• M11: 10,170,710 km (0.043 R)
• M12: 11,596,378 km (0.103 R)
• M13: 13,760,461 km (0.111 R)
• M14: 14,839,810 km (0.09 R)
• M15: 15,635,072 km (0.058 R)
• M16: 15,974,809 km (0.103 R)
• M17: 18,795,626 km (0.11 R)
• M18: 19,334,926 km (0.119 R)
• M19: 21,595,949 km (0.108 R)
• M20: 27,612,476 km (0.062 R)
• M21: 32,741,289 km (0.081 R)
• M22: 33,634,837 km (0.075 R)
• M23: 36,651,478 km (0.091 R)
• M24: 40,096,717 km (0.025 R)
• M25: 43,483,912 km (0.115 R)
• M26: 44,291,890 km (0.113 R)
• M27: 44,699,545 km (0.105 R)
• M28: 45,109,742 km (0.089 R)
• M29: 46,775,813 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.7

Radius: 4.2

Gravity: 14.5 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.01 AU - 8.53 AU

Year: 15224 Days

Day: 21.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,674,462 km

• M1: 54,902 km (0.104 R)
• M2: 185,651 km (0.089 R)
• M3: 390,450 km (0.074 R)
• M4: 835,654 km (0.078 R)
• M5: 990,787 km (0.118 R)
• M6: 1,437,785 km (0.085 R)
• M7: 1,829,582 km (0.041 R)
• M8: 2,076,119 km (0.086 R)
• M9: 2,737,791 km (0.065 R)
• M10: 3,384,203 km (0.113 R)
• M11: 4,209,534 km (0.098 R)
• M12: 4,406,555 km (0.075 R)
• M13: 4,639,329 km (0.097 R)
• M14: 6,467,116 km (0.06 R)
• M15: 6,921,445 km (0.103 R)
• M16: 7,356,475 km (0.104 R)
• M17: 11,137,113 km (0.113 R)
• M18: 11,844,411 km (0.089 R)
• M19: 15,566,855 km (0.102 R)
• M20: 18,689,711 km (0.112 R)
• M21: 19,531,049 km (0.097 R)
• M22: 20,079,325 km (0.092 R)
• M23: 20,961,504 km (0.077 R)
• M24: 22,545,745 km (0.111 R)
• M25: 24,568,159 km (0.114 R)
• M26: 32,650,034 km (0.056 R)
• M27: 36,277,334 km (0.105 R)
• M28: 41,305,318 km (0.097 R)
• M29: 44,588,244 km (0.089 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 14,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit