🌌 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: 312.2

Radius: 14.1

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.56 AU - 0.62 AU

Year: 313 Days

Day: 11.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 47,396,805 km

• M1: 175,329 km (0.103 R)
• M2: 703,260 km (0.096 R)
• M3: 1,219,372 km (0.115 R)
• M4: 1,785,899 km (0.056 R)
• M5: 2,691,864 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.2

Radius: 11.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.62 AU - 1 AU

Year: 503 Days

Day: 7.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 47,396,805 km

• M1: 144,212 km (0.081 R)
• M2: 687,253 km (0.1 R)
• M3: 1,205,759 km (0.055 R)
• M4: 1,655,300 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.4

Radius: 12

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.98 AU - 1.04 AU

Year: 701 Days

Day: 7.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 47,396,805 km

• M1: 159,621 km (0.055 R)
• M2: 825,481 km (0.067 R)
• M3: 2,096,465 km (0.047 R)
• M4: 2,635,765 km (0.085 R)
• M5: 3,109,392 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.6

Radius: 9.6

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.96 AU - 2.22 AU

Year: 2086 Days

Day: 7.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 85.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,396,805 km

• M1: 119,529 km (0.047 R)
• M2: 424,260 km (0.033 R)
• M3: 1,008,290 km (0.116 R)
• M4: 1,801,458 km (0.043 R)
• M5: 2,358,111 km (0.092 R)
• M6: 3,103,857 km (0.099 R)
• M7: 3,480,694 km (0.099 R)
• M8: 4,055,748 km (0.066 R)
• M9: 4,426,302 km (0.117 R)
• M10: 5,534,672 km (0.105 R)
• M11: 6,016,378 km (0.099 R)
• M12: 6,473,698 km (0.071 R)
• M13: 7,259,237 km (0.083 R)
• M14: 7,719,250 km (0.047 R)
• M15: 8,228,930 km (0.071 R)
• M16: 8,570,761 km (0.061 R)
• M17: 9,928,960 km (0.11 R)
• M18: 10,388,226 km (0.076 R)
• M19: 11,349,093 km (0.12 R)
• M20: 15,791,551 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.2

Radius: 11.1

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.64 AU - 2.92 AU

Year: 3199 Days

Day: 9.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,396,805 km

• M1: 138,378 km (0.104 R)
• M2: 685,308 km (0.089 R)
• M3: 1,062,294 km (0.062 R)
• M4: 1,528,741 km (0.111 R)
• M5: 2,243,370 km (0.077 R)
• M6: 3,876,230 km (0.102 R)
• M7: 4,349,558 km (0.109 R)
• M8: 6,424,630 km (0.103 R)
• M9: 10,749,505 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.1

Radius: 8.6

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.21 AU - 4.21 AU

Year: 5963 Days

Day: 12 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,396,805 km

• M1: 106,962 km (0.051 R)
• M2: 401,072 km (0.109 R)
• M3: 1,071,570 km (0.092 R)
• M4: 1,651,261 km (0.101 R)
• M5: 2,476,742 km (0.091 R)
• M6: 3,320,774 km (0.089 R)
• M7: 4,495,715 km (0.114 R)
• M8: 4,781,746 km (0.085 R)
• M9: 6,176,148 km (0.109 R)
• M10: 6,898,407 km (0.075 R)
• M11: 7,351,090 km (0.102 R)
• M12: 8,510,623 km (0.102 R)
• M13: 10,860,805 km (0.073 R)
• M14: 11,618,519 km (0.07 R)
• M15: 12,010,315 km (0.11 R)
• M16: 12,872,298 km (0.058 R)
• M17: 13,505,247 km (0.048 R)
• M18: 14,269,542 km (0.047 R)
• M19: 14,890,224 km (0.032 R)
• M20: 16,860,129 km (0.089 R)
• M21: 18,662,933 km (0.04 R)
• M22: 20,377,923 km (0.101 R)
• M23: 22,799,164 km (0.104 R)
• M24: 23,569,145 km (0.057 R)
• M25: 23,881,954 km (0.069 R)
• M26: 25,242,546 km (0.113 R)
• M27: 28,557,785 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.8

Radius: 4.7

Gravity: 21.49 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.36 AU - 7.92 AU

Year: 11810 Days

Day: 15.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 47,396,805 km

• M1: 58,493 km (0.054 R)
• M2: 214,972 km (0.094 R)
• M3: 979,866 km (0.064 R)
• M4: 1,131,409 km (0.12 R)
• M5: 1,349,373 km (0.108 R)
• M6: 1,510,041 km (0.092 R)
• M7: 2,036,326 km (0.1 R)
• M8: 2,360,355 km (0.058 R)
• M9: 2,554,832 km (0.081 R)
• M10: 2,802,267 km (0.104 R)
• M11: 3,110,888 km (0.118 R)
• M12: 3,369,094 km (0.092 R)
• M13: 5,004,647 km (0.115 R)
• M14: 6,227,759 km (0.063 R)
• M15: 6,562,111 km (0.101 R)
• M16: 7,763,830 km (0.038 R)
• M17: 9,682,273 km (0.116 R)
• M18: 10,593,324 km (0.12 R)
• M19: 10,803,360 km (0.057 R)
• M20: 11,782,927 km (0.094 R)
• M21: 13,979,622 km (0.05 R)
• M22: 14,681,984 km (0.094 R)
• M23: 15,340,663 km (0.113 R)
• M24: 19,397,010 km (0.088 R)
• M25: 20,920,963 km (0.119 R)
• M26: 21,838,746 km (0.103 R)
• M27: 23,221,329 km (0.062 R)
• M28: 23,844,105 km (0.075 R)
• M29: 25,122,868 km (0.107 R)
• M30: 25,309,267 km (0.044 R)
• M31: 30,484,456 km (0.048 R)
• M32: 33,543,134 km (0.105 R)
• M33: 35,731,302 km (0.111 R)
• M34: 36,560,822 km (0.04 R)
• M35: 39,880,997 km (0.089 R)
• M36: 41,940,361 km (0.041 R)
• M37: 43,396,697 km (0.037 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 13,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit