🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.9

Radius: 12.1

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.62 AU - 0.98 AU

Year: 485 Days

Day: 12.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,656,149 km

• M1: 150,645 km (0.118 R)
• M2: 905,516 km (0.114 R)
• M3: 1,408,314 km (0.031 R)
• M4: 2,792,992 km (0.084 R)
• M5: 3,307,160 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.1

Radius: 12.7

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.35 AU - 1.45 AU

Year: 1124 Days

Day: 8.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,656,149 km

• M1: 157,975 km (0.079 R)
• M2: 566,826 km (0.091 R)
• M3: 968,197 km (0.115 R)
• M4: 1,505,254 km (0.115 R)
• M5: 2,317,121 km (0.105 R)
• M6: 2,772,497 km (0.079 R)
• M7: 3,338,725 km (0.067 R)
• M8: 4,098,533 km (0.074 R)
• M9: 4,953,933 km (0.103 R)
• M10: 5,661,681 km (0.068 R)
• M11: 6,315,274 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.4

Radius: 14.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.8 AU - 5.56 AU

Year: 7996 Days

Day: 7.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,656,149 km

• M1: 183,407 km (0.113 R)
• M2: 1,097,899 km (0.071 R)
• M3: 1,623,286 km (0.085 R)
• M4: 2,201,183 km (0.077 R)
• M5: 2,915,962 km (0.101 R)
• M6: 3,830,753 km (0.069 R)
• M7: 4,728,489 km (0.096 R)
• M8: 7,204,185 km (0.064 R)
• M9: 8,277,849 km (0.099 R)
• M10: 10,349,480 km (0.111 R)
• M11: 11,094,328 km (0.099 R)
• M12: 13,545,489 km (0.056 R)
• M13: 15,305,059 km (0.094 R)
• M14: 17,418,578 km (0.099 R)
• M15: 18,473,542 km (0.09 R)
• M16: 18,980,379 km (0.081 R)
• M17: 20,249,717 km (0.034 R)
• M18: 21,654,890 km (0.087 R)
• M19: 23,291,192 km (0.113 R)
• M20: 24,225,730 km (0.088 R)
• M21: 24,833,247 km (0.077 R)
• M22: 25,718,866 km (0.03 R)
• M23: 29,179,813 km (0.085 R)
• M24: 30,566,735 km (0.061 R)
• M25: 33,258,449 km (0.065 R)
• M26: 35,992,350 km (0.101 R)
• M27: 37,012,159 km (0.11 R)
• M28: 38,872,708 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.2

Radius: 11.1

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.53 AU - 5.59 AU

Year: 8892 Days

Day: 10.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,656,149 km

• M1: 138,079 km (0.118 R)
• M2: 588,668 km (0.12 R)
• M3: 1,030,281 km (0.119 R)
• M4: 1,403,826 km (0.058 R)
• M5: 1,884,484 km (0.086 R)
• M6: 3,385,250 km (0.118 R)
• M7: 3,792,605 km (0.101 R)
• M8: 4,706,947 km (0.105 R)
• M9: 5,762,360 km (0.054 R)
• M10: 6,489,107 km (0.075 R)
• M11: 8,083,222 km (0.072 R)
• M12: 9,129,659 km (0.057 R)
• M13: 9,497,819 km (0.068 R)
• M14: 11,543,420 km (0.029 R)
• M15: 13,215,476 km (0.117 R)
• M16: 17,877,843 km (0.11 R)
• M17: 18,455,441 km (0.091 R)
• M18: 20,031,155 km (0.116 R)
• M19: 22,186,411 km (0.095 R)
• M20: 22,769,544 km (0.098 R)
• M21: 24,315,937 km (0.074 R)
• M22: 27,904,940 km (0.099 R)
• M23: 29,574,452 km (0.026 R)
• M24: 30,077,849 km (0.066 R)
• M25: 36,805,265 km (0.037 R)
• M26: 38,095,098 km (0.11 R)
• M27: 40,393,669 km (0.051 R)
• M28: 42,783,345 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.8

Radius: 3.1

Gravity: 35.88 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.04 AU - 6.58 AU

Year: 10751 Days

Day: 20.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,656,149 km

• M1: 39,195 km (0.108 R)
• M2: 178,919 km (0.089 R)
• M3: 321,486 km (0.072 R)
• M4: 430,393 km (0.111 R)
• M5: 598,092 km (0.107 R)
• M6: 1,449,155 km (0.107 R)
• M7: 1,568,534 km (0.101 R)
• M8: 2,958,148 km (0.116 R)
• M9: 4,031,962 km (0.104 R)
• M10: 4,857,742 km (0.116 R)
• M11: 5,065,533 km (0.117 R)
• M12: 7,248,615 km (0.084 R)
• M13: 8,082,923 km (0.119 R)
• M14: 9,246,794 km (0.068 R)
• M15: 10,129,870 km (0.111 R)
• M16: 12,008,071 km (0.087 R)
• M17: 12,608,258 km (0.07 R)
• M18: 14,225,710 km (0.081 R)
• M19: 14,712,203 km (0.027 R)
• M20: 16,435,570 km (0.064 R)
• M21: 17,038,599 km (0.039 R)
• M22: 19,082,256 km (0.1 R)
• M23: 20,506,128 km (0.113 R)
• M24: 23,144,885 km (0.067 R)
• M25: 23,902,000 km (0.12 R)
• M26: 24,243,681 km (0.098 R)
• M27: 26,911,161 km (0.079 R)
• M28: 27,095,615 km (0.053 R)
• M29: 29,083,920 km (0.05 R)
• M30: 30,763,007 km (0.119 R)
• M31: 38,242,302 km (0.112 R)
• M32: 38,592,361 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.7

Radius: 6.5

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.95 AU - 7.75 AU

Year: 12160 Days

Day: 23 Hours

Environment

Temp: -240 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,656,149 km

• M1: 84,672 km (0.081 R)
• M2: 544,087 km (0.108 R)
• M3: 2,600,909 km (0.086 R)
• M4: 3,188,230 km (0.119 R)
• M5: 9,261,006 km (0.068 R)
• M6: 11,063,660 km (0.089 R)
• M7: 12,207,934 km (0.095 R)
• M8: 21,788,182 km (0.068 R)
• M9: 23,245,714 km (0.114 R)
• M10: 34,984,509 km (0.104 R)
• M11: 38,118,435 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.8

Radius: 7.1

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 7.46 AU - 10.56 AU

Year: 18343 Days

Day: 24 Hours

Environment

Temp: -240 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,656,149 km

• M1: 98,884 km (0.119 R)
• M2: 399,127 km (0.056 R)
• M3: 667,954 km (0.057 R)
• M4: 923,468 km (0.055 R)
• M5: 1,452,895 km (0.077 R)
• M6: 2,742,877 km (0.05 R)
• M7: 4,541,193 km (0.107 R)
• M8: 5,442,221 km (0.111 R)
• M9: 5,755,778 km (0.115 R)
• M10: 6,229,854 km (0.116 R)
• M11: 7,722,242 km (0.113 R)
• M12: 17,474,527 km (0.041 R)
• M13: 20,815,796 km (0.048 R)
• M14: 21,669,850 km (0.12 R)
• M15: 23,814,635 km (0.096 R)
• M16: 25,999,063 km (0.082 R)
• M17: 31,981,482 km (0.101 R)
• M18: 35,470,553 km (0.068 R)
• M19: 40,901,853 km (0.091 R)
• M20: 43,468,803 km (0.082 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 14,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit