🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.9

Radius: 9.3

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.58 AU - 0.6 AU

Year: 313 Days

Day: 9.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 40,704,946 km

• M1: 127,009 km (0.063 R)
• M2: 529,277 km (0.06 R)
• M3: 920,027 km (0.092 R)
• M4: 1,279,959 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.3

Radius: 12.1

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.64 AU - 0.66 AU

Year: 362 Days

Day: 5.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,704,946 km

• M1: 150,645 km (0.079 R)
• M2: 544,985 km (0.112 R)
• M3: 959,072 km (0.12 R)
• M4: 1,469,051 km (0.111 R)
• M5: 2,174,854 km (0.079 R)
• M6: 2,635,466 km (0.074 R)
• M7: 3,261,084 km (0.098 R)
• M8: 4,425,105 km (0.072 R)
• M9: 4,958,870 km (0.092 R)

Asteroid Belt

Center: 1.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258

Radius: 9.9

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.09 AU - 1.77 AU

Year: 1180 Days

Day: 9.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,704,946 km

• M1: 123,269 km (0.103 R)
• M2: 487,240 km (0.088 R)
• M3: 866,022 km (0.115 R)
• M4: 1,263,803 km (0.052 R)
• M5: 1,834,369 km (0.034 R)
• M6: 3,160,704 km (0.108 R)
• M7: 3,502,834 km (0.116 R)
• M8: 3,825,966 km (0.101 R)
• M9: 4,747,937 km (0.054 R)
• M10: 5,109,665 km (0.09 R)
• M11: 5,452,842 km (0.08 R)
• M12: 5,830,727 km (0.109 R)
• M13: 6,327,691 km (0.112 R)
• M14: 6,895,863 km (0.105 R)
• M15: 7,270,756 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.8

Radius: 13.9

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.2 AU - 2 AU

Year: 1397 Days

Day: 9.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,704,946 km

• M1: 173,234 km (0.081 R)
• M2: 754,422 km (0.103 R)
• M3: 1,354,758 km (0.074 R)
• M4: 1,881,044 km (0.071 R)
• M5: 3,036,388 km (0.059 R)
• M6: 3,822,226 km (0.099 R)
• M7: 5,233,382 km (0.115 R)
• M8: 6,220,878 km (0.103 R)
• M9: 6,990,260 km (0.091 R)
• M10: 7,608,249 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.4

Radius: 11.2

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.79 AU - 2.89 AU

Year: 2471 Days

Day: 6.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,704,946 km

• M1: 139,425 km (0.09 R)
• M2: 573,409 km (0.081 R)
• M3: 1,099,844 km (0.109 R)
• M4: 2,670,771 km (0.109 R)
• M5: 3,160,853 km (0.076 R)
• M6: 3,579,428 km (0.042 R)
• M7: 5,292,623 km (0.062 R)
• M8: 6,186,919 km (0.11 R)
• M9: 7,310,399 km (0.11 R)
• M10: 7,962,795 km (0.067 R)
• M11: 9,105,274 km (0.032 R)
• M12: 11,106,894 km (0.046 R)
• M13: 12,569,063 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.6

Radius: 10.7

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.78 AU - 4.4 AU

Year: 5709 Days

Day: 8.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,704,946 km

• M1: 133,292 km (0.1 R)
• M2: 524,041 km (0.062 R)
• M3: 1,113,607 km (0.118 R)
• M4: 1,470,996 km (0.081 R)
• M5: 1,862,194 km (0.071 R)
• M6: 2,259,676 km (0.113 R)
• M7: 2,742,578 km (0.083 R)
• M8: 3,293,547 km (0.111 R)
• M9: 3,700,902 km (0.045 R)
• M10: 4,160,915 km (0.118 R)
• M11: 5,286,041 km (0.107 R)
• M12: 5,798,713 km (0.03 R)
• M13: 7,338,823 km (0.039 R)
• M14: 7,799,734 km (0.084 R)
• M15: 8,465,295 km (0.099 R)
• M16: 9,399,683 km (0.115 R)
• M17: 12,987,040 km (0.105 R)
• M18: 16,069,055 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.4

Radius: 9.1

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.98 AU - 5.84 AU

Year: 8686 Days

Day: 5.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,704,946 km

• M1: 114,891 km (0.119 R)
• M2: 447,746 km (0.086 R)
• M3: 984,204 km (0.059 R)
• M4: 1,281,605 km (0.078 R)
• M5: 2,096,614 km (0.051 R)
• M6: 3,513,007 km (0.097 R)
• M7: 5,480,817 km (0.059 R)
• M8: 7,889,493 km (0.088 R)
• M9: 9,325,632 km (0.106 R)
• M10: 11,743,283 km (0.111 R)
• M11: 13,550,575 km (0.09 R)
• M12: 13,839,748 km (0.08 R)
• M13: 14,611,074 km (0.057 R)
• M14: 15,285,761 km (0.027 R)
• M15: 18,974,545 km (0.12 R)
• M16: 23,632,125 km (0.112 R)
• M17: 25,514,964 km (0.113 R)
• M18: 29,095,140 km (0.105 R)
• M19: 31,155,253 km (0.092 R)
• M20: 32,684,891 km (0.105 R)
• M21: 33,626,460 km (0.062 R)
• M22: 36,671,375 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.9

Radius: 8

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.14 AU - 7.06 AU

Year: 10399 Days

Day: 23.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,704,946 km

• M1: 231,129 km (0.109 R)
• M2: 1,059,452 km (0.061 R)
• M3: 2,345,246 km (0.113 R)
• M4: 4,208,487 km (0.109 R)
• M5: 6,564,654 km (0.079 R)
• M6: 11,773,352 km (0.12 R)
• M7: 16,156,720 km (0.102 R)
• M8: 17,854,057 km (0.069 R)
• M9: 21,839,195 km (0.099 R)
• M10: 25,926,807 km (0.072 R)
• M11: 29,307,868 km (0.099 R)
• M12: 32,236,845 km (0.086 R)
• M13: 33,077,884 km (0.087 R)
• M14: 36,702,342 km (0.09 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 16,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit