🌌 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: 276.2

Radius: 13.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.53 AU - 0.65 AU

Year: 307 Days

Day: 7.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 90,988,090 km

• M1: 172,935 km (0.073 R)
• M2: 737,368 km (0.061 R)
• M3: 1,267,094 km (0.057 R)
• M4: 1,863,391 km (0.065 R)
• M5: 2,612,128 km (0.075 R)
• M6: 3,149,334 km (0.081 R)

Asteroid Belt

Center: 1.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.5

Radius: 9

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.01 AU - 2.03 AU

Year: 1947 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,988,090 km

• M1: 111,899 km (0.093 R)
• M2: 420,220 km (0.117 R)
• M3: 914,941 km (0.08 R)
• M4: 1,853,518 km (0.083 R)
• M5: 3,252,707 km (0.117 R)
• M6: 3,546,966 km (0.075 R)
• M7: 4,114,390 km (0.11 R)
• M8: 4,618,984 km (0.118 R)
• M9: 6,358,358 km (0.077 R)
• M10: 7,784,475 km (0.054 R)
• M11: 10,359,054 km (0.115 R)
• M12: 11,330,244 km (0.103 R)
• M13: 12,798,547 km (0.086 R)
• M14: 13,164,014 km (0.11 R)
• M15: 14,216,136 km (0.056 R)
• M16: 14,784,907 km (0.104 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.9

Radius: 5.6

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.12 AU - 6.2 AU

Year: 9133 Days

Day: 20.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,988,090 km

• M1: 69,713 km (0.107 R)
• M2: 374,294 km (0.093 R)
• M3: 724,054 km (0.118 R)
• M4: 1,083,537 km (0.074 R)
• M5: 2,064,600 km (0.114 R)
• M6: 2,278,076 km (0.115 R)
• M7: 2,506,363 km (0.105 R)
• M8: 2,896,065 km (0.096 R)
• M9: 4,070,558 km (0.117 R)
• M10: 4,634,243 km (0.075 R)
• M11: 4,948,398 km (0.073 R)
• M12: 6,670,719 km (0.112 R)
• M13: 7,139,558 km (0.099 R)
• M14: 10,119,847 km (0.114 R)
• M15: 10,965,524 km (0.036 R)
• M16: 11,857,426 km (0.036 R)
• M17: 13,519,908 km (0.082 R)
• M18: 14,434,250 km (0.074 R)
• M19: 19,698,898 km (0.109 R)
• M20: 23,205,771 km (0.076 R)
• M21: 29,168,742 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.9

Radius: 4.9

Gravity: 35.27 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 9.06 AU - 11.82 AU

Year: 22879 Days

Day: 23.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,988,090 km

• M1: 61,186 km (0.106 R)
• M2: 998,566 km (0.065 R)
• M3: 1,779,167 km (0.118 R)
• M4: 2,352,576 km (0.112 R)
• M5: 3,096,975 km (0.058 R)
• M6: 3,447,034 km (0.105 R)
• M7: 3,987,382 km (0.112 R)
• M8: 8,469,334 km (0.103 R)
• M9: 10,756,835 km (0.077 R)
• M10: 14,039,012 km (0.109 R)
• M11: 14,352,420 km (0.069 R)
• M12: 15,905,844 km (0.111 R)
• M13: 16,160,908 km (0.097 R)
• M14: 26,549,433 km (0.118 R)
• M15: 27,513,891 km (0.061 R)
• M16: 30,027,285 km (0.029 R)
• M17: 38,021,496 km (0.059 R)
• M18: 40,654,568 km (0.095 R)
• M19: 44,406,931 km (0.106 R)
• M20: 50,002,340 km (0.043 R)
• M21: 59,044,784 km (0.117 R)
• M22: 83,306,865 km (0.175 R)
• M23: 84,591,462 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.4

Radius: 5.3

Gravity: 29.6 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 9.42 AU - 11.98 AU

Year: 23739 Days

Day: 17.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,988,090 km

• M1: 66,122 km (0.105 R)
• M2: 284,685 km (0.097 R)
• M3: 466,895 km (0.072 R)
• M4: 670,049 km (0.104 R)
• M5: 956,978 km (0.063 R)
• M6: 1,129,464 km (0.075 R)
• M7: 3,897,773 km (0.077 R)
• M8: 4,133,688 km (0.062 R)
• M9: 4,937,777 km (0.03 R)
• M10: 5,254,476 km (0.102 R)
• M11: 5,841,348 km (0.08 R)
• M12: 6,150,716 km (0.074 R)
• M13: 6,378,255 km (0.095 R)
• M14: 6,564,355 km (0.07 R)
• M15: 6,850,386 km (0.112 R)
• M16: 7,094,978 km (0.105 R)
• M17: 11,636,919 km (0.109 R)
• M18: 12,484,989 km (0.115 R)
• M19: 12,924,209 km (0.077 R)
• M20: 14,946,922 km (0.11 R)
• M21: 15,609,341 km (0.049 R)
• M22: 18,362,241 km (0.097 R)
• M23: 21,422,116 km (0.092 R)
• M24: 22,909,119 km (0.092 R)
• M25: 25,968,694 km (0.091 R)
• M26: 29,290,066 km (0.098 R)
• M27: 32,607,997 km (0.116 R)
• M28: 33,861,179 km (0.076 R)
• M29: 35,727,711 km (0.051 R)
• M30: 38,885,872 km (0.119 R)
• M31: 42,388,706 km (0.071 R)
• M32: 53,189,673 km (0.036 R)
• M33: 53,380,559 km (0.115 R)
• M34: 54,923,961 km (0.064 R)
• M35: 55,903,527 km (0.12 R)
• M36: 72,964,117 km (0.058 R)
• M37: 76,552,522 km (0.105 R)
• M38: 83,048,061 km (0.068 R)
• M39: 88,020,545 km (0.052 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 15,350 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit