🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.6

Radius: 11.4

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.74 AU - 1.22 AU

Year: 626 Days

Day: 6.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,276,289 km

• M1: 150,944 km (0.104 R)
• M2: 520,002 km (0.085 R)
• M3: 1,251,985 km (0.117 R)
• M4: 1,770,042 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.9

Radius: 11.5

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.87 AU - 1.31 AU

Year: 735 Days

Day: 13.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,276,289 km

• M1: 143,016 km (0.104 R)
• M2: 539,300 km (0.116 R)
• M3: 1,147,266 km (0.108 R)
• M4: 1,692,999 km (0.102 R)
• M5: 2,111,424 km (0.11 R)
• M6: 2,623,498 km (0.099 R)
• M7: 3,077,228 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.5

Radius: 9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.88 AU - 1.32 AU

Year: 745 Days

Day: 6.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,276,289 km

• M1: 119,977 km (0.027 R)
• M2: 566,826 km (0.101 R)
• M3: 990,039 km (0.045 R)
• M4: 1,471,145 km (0.044 R)
• M5: 3,013,799 km (0.055 R)
• M6: 4,522,044 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.2

Radius: 14.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.58 AU - 1.74 AU

Year: 1381 Days

Day: 13.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,276,289 km

• M1: 182,809 km (0.117 R)
• M2: 715,676 km (0.074 R)
• M3: 1,192,744 km (0.077 R)
• M4: 1,954,945 km (0.045 R)
• M5: 2,542,715 km (0.034 R)
• M6: 3,085,456 km (0.066 R)
• M7: 4,483,149 km (0.074 R)
• M8: 4,972,035 km (0.116 R)
• M9: 6,758,084 km (0.078 R)
• M10: 7,245,174 km (0.053 R)
• M11: 9,246,944 km (0.064 R)
• M12: 10,749,355 km (0.088 R)
• M13: 12,485,139 km (0.069 R)
• M14: 13,103,427 km (0.096 R)

Asteroid Belt

Center: 2.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.2

Radius: 9.5

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.25 AU - 4.37 AU

Year: 5777 Days

Day: 13.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,276,289 km

• M1: 118,182 km (0.074 R)
• M2: 493,972 km (0.069 R)
• M3: 817,253 km (0.09 R)
• M4: 1,392,008 km (0.069 R)
• M5: 1,916,498 km (0.072 R)
• M6: 2,341,356 km (0.093 R)
• M7: 4,405,358 km (0.09 R)
• M8: 4,703,806 km (0.096 R)
• M9: 5,827,435 km (0.103 R)
• M10: 7,256,694 km (0.089 R)
• M11: 8,985,297 km (0.114 R)
• M12: 10,793,038 km (0.115 R)
• M13: 11,949,130 km (0.115 R)
• M14: 13,032,966 km (0.084 R)
• M15: 14,181,130 km (0.115 R)
• M16: 16,978,461 km (0.119 R)
• M17: 18,346,683 km (0.109 R)
• M18: 22,086,181 km (0.114 R)
• M19: 22,596,010 km (0.119 R)
• M20: 23,337,717 km (0.067 R)
• M21: 24,326,259 km (0.059 R)
• M22: 24,791,808 km (0.055 R)
• M23: 25,981,560 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.6

Radius: 11.3

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.22 AU - 6.04 AU

Year: 7502 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,276,289 km

• M1: 141,220 km (0.1 R)
• M2: 566,677 km (0.072 R)
• M3: 1,103,583 km (0.112 R)
• M4: 1,611,767 km (0.06 R)
• M5: 2,013,587 km (0.082 R)
• M6: 2,648,630 km (0.112 R)
• M7: 3,504,031 km (0.092 R)
• M8: 4,008,924 km (0.107 R)
• M9: 5,378,193 km (0.094 R)
• M10: 5,919,737 km (0.081 R)
• M11: 6,709,913 km (0.103 R)
• M12: 7,884,406 km (0.057 R)
• M13: 8,249,874 km (0.1 R)
• M14: 8,669,346 km (0.073 R)
• M15: 9,191,293 km (0.084 R)
• M16: 10,884,292 km (0.063 R)
• M17: 12,610,801 km (0.102 R)
• M18: 13,858,747 km (0.109 R)
• M19: 16,599,230 km (0.111 R)
• M20: 19,313,983 km (0.059 R)
• M21: 26,501,861 km (0.118 R)
• M22: 30,091,911 km (0.065 R)
• M23: 30,887,024 km (0.087 R)
• M24: 39,389,119 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.9

Radius: 14.4

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.13 AU - 6.37 AU

Year: 7767 Days

Day: 8.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,276,289 km

• M1: 191,485 km (0.085 R)
• M2: 771,177 km (0.086 R)
• M3: 1,683,126 km (0.066 R)
• M4: 3,019,184 km (0.059 R)
• M5: 4,202,653 km (0.113 R)
• M6: 5,709,403 km (0.114 R)
• M7: 7,272,700 km (0.109 R)
• M8: 8,788,127 km (0.032 R)
• M9: 13,910,956 km (0.098 R)
• M10: 15,964,337 km (0.113 R)
• M11: 19,108,136 km (0.032 R)
• M12: 22,985,563 km (0.095 R)
• M13: 25,844,528 km (0.08 R)
• M14: 29,033,057 km (0.074 R)
• M15: 29,843,878 km (0.091 R)
• M16: 39,539,316 km (0.034 R)
• M17: 43,625,581 km (0.099 R)
• M18: 44,288,599 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.8

Radius: 5

Gravity: 35.11 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.04 AU - 6.96 AU

Year: 9489 Days

Day: 16.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 50,276,289 km

• M1: 65,225 km (0.083 R)
• M2: 228,286 km (0.082 R)
• M3: 1,200,224 km (0.107 R)
• M4: 1,377,647 km (0.111 R)
• M5: 1,631,664 km (0.116 R)
• M6: 2,215,096 km (0.109 R)
• M7: 4,082,526 km (0.093 R)
• M8: 4,637,983 km (0.07 R)
• M9: 5,650,312 km (0.081 R)
• M10: 5,969,853 km (0.069 R)
• M11: 6,338,911 km (0.106 R)
• M12: 6,567,646 km (0.117 R)
• M13: 6,801,766 km (0.12 R)
• M14: 7,794,647 km (0.107 R)
• M15: 8,508,080 km (0.106 R)
• M16: 10,586,293 km (0.08 R)
• M17: 10,962,682 km (0.083 R)
• M18: 12,029,614 km (0.078 R)
• M19: 13,225,499 km (0.12 R)
• M20: 13,852,164 km (0.076 R)
• M21: 14,498,577 km (0.117 R)
• M22: 16,992,074 km (0.111 R)
• M23: 18,034,323 km (0.064 R)
• M24: 19,039,770 km (0.076 R)
• M25: 19,516,089 km (0.12 R)
• M26: 23,076,070 km (0.114 R)
• M27: 26,747,950 km (0.116 R)
• M28: 30,358,943 km (0.086 R)
• M29: 31,668,074 km (0.107 R)
• M30: 32,787,365 km (0.071 R)
• M31: 34,750,389 km (0.061 R)
• M32: 35,342,347 km (0.068 R)
• M33: 40,452,311 km (0.051 R)
• M34: 41,239,047 km (0.083 R)
• M35: 42,978,720 km (0.114 R)
• M36: 45,467,281 km (0.064 R)
• M37: 47,758,671 km (0.088 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 16,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit