🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.1

Radius: 8.3

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.53 AU - 0.69 AU

Year: 318 Days

Day: 11.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,547,542 km

• M1: 103,223 km (0.092 R)
• M2: 433,834 km (0.051 R)
• M3: 738,565 km (0.112 R)
• M4: 1,012,179 km (0.078 R)
• M5: 1,311,973 km (0.071 R)
• M6: 1,761,365 km (0.057 R)
• M7: 2,044,405 km (0.05 R)
• M8: 2,366,190 km (0.071 R)
• M9: 2,712,658 km (0.071 R)
• M10: 2,996,894 km (0.1 R)
• M11: 3,270,808 km (0.109 R)
• M12: 3,846,610 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.5

Radius: 9.2

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.63 AU - 0.77 AU

Year: 391 Days

Day: 11.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,547,542 km

• M1: 114,442 km (0.096 R)
• M2: 413,638 km (0.075 R)
• M3: 777,610 km (0.056 R)
• M4: 1,146,368 km (0.07 R)
• M5: 1,574,966 km (0.108 R)
• M6: 2,032,586 km (0.089 R)
• M7: 2,820,518 km (0.104 R)
• M8: 3,426,539 km (0.09 R)
• M9: 4,144,160 km (0.108 R)
• M10: 4,611,953 km (0.106 R)
• M11: 5,486,203 km (0.1 R)
• M12: 5,823,995 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.9

Radius: 13.3

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.67 AU - 0.75 AU

Year: 399 Days

Day: 10.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 63.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,547,542 km

• M1: 165,605 km (0.055 R)
• M2: 635,342 km (0.075 R)
• M3: 1,159,533 km (0.082 R)
• M4: 1,620,743 km (0.108 R)
• M5: 2,047,396 km (0.113 R)
• M6: 2,559,769 km (0.106 R)
• M7: 3,721,845 km (0.082 R)
• M8: 4,738,363 km (0.03 R)
• M9: 5,546,341 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.8

Radius: 10.1

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.82 AU - 1.04 AU

Year: 598 Days

Day: 6 Hours

Environment

Temp: -165 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,547,542 km

• M1: 127,158 km (0.044 R)
• M2: 529,726 km (0.09 R)
• M3: 846,574 km (0.067 R)
• M4: 1,207,105 km (0.04 R)
• M5: 1,526,197 km (0.104 R)
• M6: 2,311,437 km (0.085 R)
• M7: 3,194,064 km (0.092 R)
• M8: 4,256,658 km (0.092 R)
• M9: 4,944,808 km (0.093 R)
• M10: 5,467,503 km (0.048 R)
• M11: 5,855,111 km (0.103 R)
• M12: 6,360,303 km (0.065 R)
• M13: 6,768,705 km (0.061 R)
• M14: 7,107,844 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.2

Radius: 10.4

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.49 AU - 2.19 AU

Year: 1664 Days

Day: 11.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,547,542 km

• M1: 133,591 km (0.059 R)
• M2: 470,784 km (0.076 R)
• M3: 1,755,082 km (0.102 R)
• M4: 2,210,458 km (0.112 R)
• M5: 3,337,379 km (0.096 R)
• M6: 4,750,331 km (0.111 R)
• M7: 5,438,481 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.4

Radius: 14.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.42 AU - 5.52 AU

Year: 6302 Days

Day: 12.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,547,542 km

• M1: 180,415 km (0.115 R)
• M2: 722,707 km (0.116 R)
• M3: 1,274,574 km (0.094 R)
• M4: 1,854,565 km (0.114 R)
• M5: 2,684,983 km (0.048 R)
• M6: 3,339,024 km (0.116 R)
• M7: 4,656,832 km (0.081 R)
• M8: 5,266,443 km (0.087 R)
• M9: 5,831,026 km (0.107 R)
• M10: 7,931,679 km (0.106 R)
• M11: 8,464,696 km (0.058 R)
• M12: 8,934,284 km (0.089 R)
• M13: 9,740,467 km (0.107 R)
• M14: 11,293,293 km (0.099 R)
• M15: 13,574,810 km (0.118 R)
• M16: 15,571,792 km (0.104 R)
• M17: 18,176,440 km (0.118 R)
• M18: 20,444,793 km (0.058 R)
• M19: 22,978,532 km (0.089 R)
• M20: 24,150,183 km (0.119 R)
• M21: 24,837,435 km (0.069 R)
• M22: 26,612,863 km (0.12 R)
• M23: 28,471,467 km (0.057 R)
• M24: 37,002,585 km (0.072 R)
• M25: 37,571,954 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.3

Radius: 12.1

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.58 AU - 5.48 AU

Year: 7523 Days

Day: 9.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,547,542 km

• M1: 152,440 km (0.109 R)
• M2: 637,586 km (0.084 R)
• M3: 1,027,438 km (0.07 R)
• M4: 1,433,447 km (0.059 R)
• M5: 1,963,921 km (0.094 R)
• M6: 2,718,044 km (0.032 R)
• M7: 5,643,729 km (0.116 R)
• M8: 6,478,186 km (0.119 R)
• M9: 7,017,187 km (0.065 R)
• M10: 7,508,317 km (0.098 R)
• M11: 8,687,298 km (0.118 R)
• M12: 9,077,300 km (0.115 R)
• M13: 9,707,256 km (0.057 R)
• M14: 10,755,788 km (0.12 R)
• M15: 12,687,545 km (0.089 R)
• M16: 14,355,860 km (0.118 R)
• M17: 17,295,309 km (0.117 R)
• M18: 18,906,029 km (0.087 R)
• M19: 21,941,968 km (0.105 R)
• M20: 22,667,369 km (0.114 R)
• M21: 23,325,599 km (0.115 R)
• M22: 23,743,426 km (0.079 R)
• M23: 24,422,301 km (0.065 R)
• M24: 26,446,360 km (0.091 R)
• M25: 33,822,583 km (0.099 R)
• M26: 38,848,921 km (0.118 R)

Asteroid Belt

Center: 7.98 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.7

Radius: 5.2

Gravity: 23.1 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 10.13 AU - 11.73 AU

Year: 24097 Days

Day: 22.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,547,542 km

• M1: 64,626 km (0.114 R)
• M2: 279,299 km (0.11 R)
• M3: 628,311 km (0.072 R)
• M4: 860,038 km (0.095 R)
• M5: 3,119,714 km (0.062 R)
• M6: 4,502,447 km (0.081 R)
• M7: 5,988,403 km (0.112 R)
• M8: 9,529,983 km (0.108 R)
• M9: 10,313,277 km (0.109 R)
• M10: 11,601,016 km (0.085 R)
• M11: 19,960,993 km (0.113 R)
• M12: 21,846,824 km (0.071 R)
• M13: 22,885,482 km (0.061 R)
• M14: 24,504,730 km (0.075 R)
• M15: 26,430,353 km (0.099 R)
• M16: 31,094,815 km (0.046 R)
• M17: 35,143,382 km (0.09 R)
• M18: 37,147,395 km (0.117 R)
• M19: 42,968,398 km (0.08 R)
• M20: 48,318,616 km (0.074 R)
• M21: 49,192,717 km (0.118 R)
• M22: 57,931,177 km (0.112 R)
• M23: 63,182,511 km (0.07 R)
• M24: 65,709,818 km (0.106 R)
• M25: 66,352,041 km (0.071 R)
• M26: 70,516,547 km (0.054 R)
• M27: 72,320,996 km (0.056 R)
• M28: 76,966,309 km (0.107 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 14,581 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit