🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.2

Radius: 11.3

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.93 AU - 1.17 AU

Year: 756 Days

Day: 14.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,010,566 km

• M1: 140,472 km (0.055 R)
• M2: 633,697 km (0.118 R)
• M3: 1,070,971 km (0.117 R)
• M4: 1,561,203 km (0.11 R)
• M5: 2,002,816 km (0.108 R)
• M6: 3,598,577 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.4

Radius: 10.3

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.05 AU - 1.17 AU

Year: 822 Days

Day: 13.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,010,566 km

• M1: 128,056 km (0.111 R)
• M2: 481,107 km (0.11 R)
• M3: 1,123,630 km (0.118 R)
• M4: 1,514,978 km (0.081 R)
• M5: 2,007,454 km (0.11 R)
• M6: 2,352,427 km (0.099 R)
• M7: 2,688,573 km (0.078 R)
• M8: 3,096,826 km (0.05 R)
• M9: 3,680,407 km (0.099 R)
• M10: 4,827,074 km (0.117 R)
• M11: 5,257,916 km (0.113 R)
• M12: 6,504,216 km (0.1 R)
• M13: 7,785,522 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.1

Radius: 8.6

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.26 AU - 1.38 AU

Year: 1066 Days

Day: 13 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,010,566 km

• M1: 107,262 km (0.11 R)
• M2: 376,687 km (0.113 R)
• M3: 676,930 km (0.089 R)
• M4: 1,137,093 km (0.079 R)
• M5: 1,571,526 km (0.113 R)
• M6: 1,939,985 km (0.053 R)
• M7: 2,231,701 km (0.112 R)
• M8: 2,788,056 km (0.117 R)
• M9: 4,226,888 km (0.116 R)
• M10: 4,594,300 km (0.093 R)
• M11: 5,373,406 km (0.105 R)
• M12: 6,193,651 km (0.113 R)
• M13: 6,715,000 km (0.109 R)
• M14: 6,998,488 km (0.071 R)
• M15: 8,294,005 km (0.097 R)
• M16: 8,620,727 km (0.113 R)
• M17: 9,652,803 km (0.101 R)
• M18: 10,637,456 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294

Radius: 14.7

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.17 AU - 1.87 AU

Year: 1317 Days

Day: 14 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,010,566 km

• M1: 182,809 km (0.085 R)
• M2: 761,453 km (0.109 R)
• M3: 1,343,838 km (0.066 R)
• M4: 1,973,495 km (0.067 R)
• M5: 6,479,981 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.7

Radius: 13.5

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.66 AU - 2.34 AU

Year: 1988 Days

Day: 7.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,010,566 km

• M1: 167,998 km (0.109 R)
• M2: 638,484 km (0.077 R)
• M3: 1,280,707 km (0.046 R)
• M4: 2,101,700 km (0.064 R)
• M5: 2,606,444 km (0.101 R)
• M6: 5,202,565 km (0.084 R)
• M7: 7,181,745 km (0.095 R)
• M8: 7,679,457 km (0.086 R)
• M9: 8,284,580 km (0.113 R)
• M10: 10,358,306 km (0.054 R)
• M11: 12,607,660 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.1

Radius: 8.9

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.23 AU - 2.31 AU

Year: 2404 Days

Day: 7.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,010,566 km

• M1: 111,002 km (0.108 R)
• M2: 501,153 km (0.112 R)
• M3: 996,322 km (0.084 R)
• M4: 1,299,258 km (0.104 R)
• M5: 2,097,811 km (0.11 R)
• M6: 2,376,512 km (0.062 R)
• M7: 3,009,760 km (0.115 R)
• M8: 3,863,963 km (0.074 R)
• M9: 5,324,338 km (0.116 R)
• M10: 6,223,720 km (0.101 R)
• M11: 6,709,764 km (0.1 R)
• M12: 7,346,303 km (0.117 R)
• M13: 8,486,837 km (0.103 R)
• M14: 8,911,246 km (0.104 R)
• M15: 11,282,971 km (0.092 R)

Asteroid Belt

Center: 5.36 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.9

Radius: 5.3

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.77 AU - 10.11 AU

Year: 17235 Days

Day: 16.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,010,566 km

• M1: 68,067 km (0.079 R)
• M2: 244,293 km (0.101 R)
• M3: 465,848 km (0.081 R)
• M4: 765,941 km (0.12 R)
• M5: 2,022,264 km (0.059 R)
• M6: 2,732,405 km (0.107 R)
• M7: 3,168,333 km (0.056 R)
• M8: 3,838,532 km (0.093 R)
• M9: 4,724,151 km (0.036 R)
• M10: 5,666,618 km (0.12 R)
• M11: 5,994,536 km (0.107 R)
• M12: 9,590,271 km (0.09 R)
• M13: 10,921,243 km (0.054 R)
• M14: 12,736,763 km (0.041 R)
• M15: 16,073,543 km (0.076 R)
• M16: 18,097,154 km (0.04 R)
• M17: 18,887,928 km (0.097 R)
• M18: 25,764,044 km (0.107 R)
• M19: 30,799,359 km (0.101 R)
• M20: 33,311,706 km (0.096 R)
• M21: 34,858,697 km (0.1 R)
• M22: 41,662,409 km (0.098 R)
• M23: 50,682,861 km (0.032 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 17,865 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit