🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.4

Radius: 14.9

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.83 AU - 1.17 AU

Year: 667 Days

Day: 8.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,998,024 km

• M1: 196,272 km (0.083 R)
• M2: 412,890 km (0.103 R)
• M3: 644,019 km (0.106 R)
• M4: 908,657 km (0.057 R)
• M5: 1,316,162 km (0.076 R)
• M6: 1,689,708 km (0.114 R)
• M7: 2,006,107 km (0.086 R)
• M8: 3,438,657 km (0.064 R)
• M9: 4,380,674 km (0.076 R)
• M10: 4,547,626 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.8

Radius: 10.3

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1 AU - 1.06 AU

Year: 697 Days

Day: 11.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,998,024 km

• M1: 265,087 km (0.04 R)
• M2: 431,889 km (0.04 R)
• M3: 811,120 km (0.096 R)
• M4: 889,210 km (0.098 R)
• M5: 996,172 km (0.111 R)
• M6: 1,176,587 km (0.092 R)
• M7: 1,432,699 km (0.025 R)
• M8: 1,559,707 km (0.111 R)
• M9: 1,722,769 km (0.112 R)
• M10: 2,020,319 km (0.098 R)
• M11: 2,251,298 km (0.086 R)
• M12: 2,370,079 km (0.103 R)
• M13: 2,564,706 km (0.067 R)
• M14: 2,770,852 km (0.112 R)
• M15: 2,866,445 km (0.091 R)
• M16: 2,937,205 km (0.036 R)
• M17: 3,401,556 km (0.107 R)
• M18: 3,586,908 km (0.107 R)
• M19: 3,677,265 km (0.085 R)
• M20: 3,775,551 km (0.095 R)
• M21: 3,910,339 km (0.115 R)
• M22: 4,952,288 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.5

Radius: 10.6

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.14 AU - 1.2 AU

Year: 844 Days

Day: 5.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,998,024 km

• M1: 162,164 km (0.112 R)
• M2: 341,233 km (0.108 R)
• M3: 491,429 km (0.119 R)
• M4: 594,801 km (0.093 R)
• M5: 1,510,490 km (0.077 R)
• M6: 2,069,537 km (0.064 R)
• M7: 2,381,000 km (0.088 R)
• M8: 2,491,253 km (0.108 R)
• M9: 2,842,210 km (0.092 R)
• M10: 3,517,644 km (0.094 R)
• M11: 3,857,531 km (0.116 R)
• M12: 4,603,126 km (0.064 R)
• M13: 4,857,742 km (0.119 R)
• M14: 5,116,995 km (0.113 R)
• M15: 5,344,534 km (0.083 R)
• M16: 5,984,513 km (0.117 R)
• M17: 6,224,319 km (0.077 R)
• M18: 6,416,103 km (0.111 R)
• M19: 8,465,893 km (0.076 R)
• M20: 9,181,270 km (0.114 R)
• M21: 9,782,354 km (0.045 R)
• M22: 10,080,204 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.9

Radius: 8.9

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.64 AU - 1.96 AU

Year: 1610 Days

Day: 15 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,998,024 km

• M1: 251,025 km (0.088 R)
• M2: 406,607 km (0.108 R)
• M3: 481,406 km (0.089 R)
• M4: 905,516 km (0.111 R)
• M5: 1,205,160 km (0.097 R)
• M6: 1,395,898 km (0.105 R)
• M7: 1,742,516 km (0.087 R)
• M8: 2,574,280 km (0.118 R)
• M9: 2,758,884 km (0.115 R)
• M10: 3,445,538 km (0.06 R)
• M11: 3,513,007 km (0.085 R)
• M12: 4,666,406 km (0.082 R)
• M13: 7,113,229 km (0.111 R)
• M14: 7,583,266 km (0.087 R)
• M15: 9,146,563 km (0.115 R)
• M16: 10,080,503 km (0.07 R)
• M17: 10,529,446 km (0.081 R)
• M18: 10,786,006 km (0.092 R)
• M19: 11,024,765 km (0.118 R)
• M20: 13,038,651 km (0.096 R)
• M21: 13,849,621 km (0.105 R)
• M22: 14,545,102 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.8

Radius: 8.3

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.88 AU - 5.26 AU

Year: 6515 Days

Day: 11.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,998,024 km

• M1: 170,542 km (0.097 R)
• M2: 276,158 km (0.06 R)
• M3: 3,170,727 km (0.091 R)
• M4: 3,632,685 km (0.102 R)
• M5: 7,354,231 km (0.118 R)
• M6: 13,167,605 km (0.112 R)
• M7: 13,831,071 km (0.093 R)
• M8: 13,905,571 km (0.098 R)
• M9: 15,653,323 km (0.112 R)
• M10: 16,159,712 km (0.079 R)
• M11: 17,872,906 km (0.098 R)
• M12: 18,157,142 km (0.067 R)
• M13: 19,392,522 km (0.063 R)
• M14: 20,654,828 km (0.072 R)
• M15: 21,253,070 km (0.103 R)
• M16: 24,914,329 km (0.036 R)
• M17: 25,050,313 km (0.097 R)
• M18: 28,197,403 km (0.1 R)
• M19: 29,672,887 km (0.102 R)
• M20: 30,105,973 km (0.081 R)
• M21: 30,444,363 km (0.069 R)
• M22: 30,589,623 km (0.092 R)
• M23: 30,783,801 km (0.111 R)
• M24: 33,395,181 km (0.09 R)

Asteroid Belt

Center: 4.91 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765

Radius: 13.8

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.97 AU - 6.53 AU

Year: 8022 Days

Day: 9.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,998,024 km

• M1: 235,018 km (0.094 R)
• M2: 340,634 km (0.09 R)
• M3: 513,719 km (0.111 R)
• M4: 815,907 km (0.094 R)
• M5: 8,167,894 km (0.062 R)
• M6: 8,574,651 km (0.092 R)
• M7: 8,761,798 km (0.095 R)
• M8: 12,103,365 km (0.073 R)
• M9: 12,229,327 km (0.079 R)
• M10: 13,731,140 km (0.081 R)
• M11: 14,839,211 km (0.09 R)
• M12: 16,484,937 km (0.09 R)
• M13: 21,861,036 km (0.075 R)
• M14: 25,808,625 km (0.102 R)
• M15: 30,540,854 km (0.071 R)
• M16: 31,808,546 km (0.064 R)
• M17: 32,040,872 km (0.061 R)
• M18: 33,919,821 km (0.025 R)
• M19: 34,514,323 km (0.111 R)
• M20: 34,932,449 km (0.101 R)
• M21: 36,865,553 km (0.108 R)
• M22: 38,338,194 km (0.11 R)
• M23: 38,461,762 km (0.027 R)
• M24: 39,580,006 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.8

Radius: 5

Gravity: 16.19 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.64 AU - 11.92 AU

Year: 21980 Days

Day: 16.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,998,024 km

• M1: 102,026 km (0.119 R)
• M2: 432,936 km (0.027 R)
• M3: 5,078,249 km (0.084 R)
• M4: 7,801,529 km (0.083 R)
• M5: 8,758,806 km (0.105 R)
• M6: 13,234,624 km (0.046 R)
• M7: 18,224,461 km (0.052 R)
• M8: 18,752,243 km (0.103 R)
• M9: 27,320,461 km (0.046 R)
• M10: 27,999,635 km (0.057 R)
• M11: 29,374,739 km (0.072 R)
• M12: 32,190,021 km (0.087 R)
• M13: 33,549,118 km (0.038 R)
• M14: 34,682,471 km (0.103 R)
• M15: 39,509,097 km (0.05 R)
• M16: 40,191,114 km (0.097 R)
• M17: 44,187,770 km (0.069 R)
• M18: 51,154,693 km (0.089 R)
• M19: 51,247,443 km (0.096 R)
• M20: 52,738,186 km (0.107 R)
• M21: 52,925,483 km (0.057 R)
• M22: 54,811,164 km (0.048 R)
• M23: 61,581,664 km (0.12 R)
• M24: 63,563,986 km (0.093 R)
• M25: 67,794,314 km (0.041 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: 480 - 19,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit