🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.5

Radius: 13.1

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.49 AU - 0.59 AU

Year: 269 Days

Day: 5.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,640,087 km

• M1: 162,912 km (0.064 R)
• M2: 583,282 km (0.084 R)
• M3: 1,032,824 km (0.073 R)
• M4: 1,653,356 km (0.116 R)
• M5: 2,085,843 km (0.092 R)
• M6: 2,709,816 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.8

Radius: 13.9

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.13 AU - 1.77 AU

Year: 1184 Days

Day: 10.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,640,087 km

• M1: 173,234 km (0.107 R)
• M2: 858,243 km (0.072 R)
• M3: 1,723,517 km (0.044 R)
• M4: 3,625,504 km (0.113 R)
• M5: 4,829,767 km (0.074 R)
• M6: 5,736,929 km (0.085 R)
• M7: 6,893,021 km (0.088 R)
• M8: 8,251,370 km (0.047 R)
• M9: 8,760,003 km (0.108 R)
• M10: 9,375,149 km (0.111 R)
• M11: 9,899,789 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.8

Radius: 8.7

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.56 AU - 2.24 AU

Year: 1776 Days

Day: 13 Hours

Environment

Temp: -201 °C

Axial Tilt: 80.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,640,087 km

• M1: 108,309 km (0.108 R)
• M2: 504,444 km (0.09 R)
• M3: 812,167 km (0.047 R)
• M4: 1,120,338 km (0.03 R)
• M5: 1,445,714 km (0.111 R)
• M6: 1,733,540 km (0.107 R)
• M7: 2,082,253 km (0.066 R)
• M8: 3,403,800 km (0.101 R)
• M9: 4,079,085 km (0.118 R)
• M10: 4,740,757 km (0.107 R)
• M11: 5,024,693 km (0.091 R)
• M12: 5,384,775 km (0.06 R)
• M13: 6,324,699 km (0.037 R)
• M14: 7,026,911 km (0.093 R)
• M15: 7,614,382 km (0.056 R)
• M16: 7,891,886 km (0.071 R)
• M17: 9,101,834 km (0.087 R)
• M18: 10,162,034 km (0.084 R)
• M19: 10,567,294 km (0.044 R)
• M20: 11,302,418 km (0.105 R)
• M21: 11,959,303 km (0.113 R)
• M22: 12,449,385 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.9

Radius: 12.2

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.98 AU - 2.04 AU

Year: 1933 Days

Day: 7.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,640,087 km

• M1: 151,692 km (0.082 R)
• M2: 790,924 km (0.041 R)
• M3: 1,619,547 km (0.104 R)
• M4: 2,120,101 km (0.09 R)
• M5: 2,551,691 km (0.083 R)
• M6: 2,995,099 km (0.088 R)
• M7: 3,542,478 km (0.087 R)
• M8: 3,962,848 km (0.102 R)
• M9: 4,667,005 km (0.1 R)
• M10: 5,219,769 km (0.107 R)
• M11: 5,890,416 km (0.075 R)
• M12: 6,298,968 km (0.118 R)
• M13: 7,259,237 km (0.071 R)
• M14: 7,759,642 km (0.11 R)
• M15: 8,666,803 km (0.099 R)
• M16: 10,068,086 km (0.044 R)
• M17: 11,070,093 km (0.106 R)
• M18: 12,549,915 km (0.082 R)
• M19: 13,665,915 km (0.094 R)
• M20: 15,366,693 km (0.068 R)
• M21: 16,846,067 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.4

Radius: 13.4

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.69 AU - 3.67 AU

Year: 3846 Days

Day: 10.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,640,087 km

• M1: 166,652 km (0.107 R)
• M2: 604,675 km (0.065 R)
• M3: 1,116,898 km (0.107 R)
• M4: 2,202,230 km (0.067 R)
• M5: 2,620,955 km (0.089 R)
• M6: 3,209,323 km (0.106 R)
• M7: 3,752,363 km (0.114 R)
• M8: 4,634,991 km (0.113 R)
• M9: 6,592,030 km (0.065 R)
• M10: 7,768,468 km (0.066 R)
• M11: 9,261,903 km (0.111 R)
• M12: 9,694,840 km (0.113 R)
• M13: 12,697,269 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.9

Radius: 14.1

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.49 AU - 6.39 AU

Year: 8606 Days

Day: 5.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,640,087 km

• M1: 200,162 km (0.062 R)
• M2: 1,525,150 km (0.099 R)
• M3: 2,283,013 km (0.116 R)
• M4: 3,125,698 km (0.108 R)
• M5: 4,285,829 km (0.029 R)
• M6: 5,317,756 km (0.073 R)
• M7: 7,202,838 km (0.079 R)
• M8: 8,505,985 km (0.089 R)
• M9: 10,003,909 km (0.115 R)
• M10: 11,576,631 km (0.109 R)
• M11: 13,360,735 km (0.064 R)
• M12: 14,814,677 km (0.109 R)
• M13: 16,016,397 km (0.098 R)
• M14: 16,731,923 km (0.069 R)
• M15: 17,344,228 km (0.117 R)
• M16: 21,768,585 km (0.111 R)
• M17: 23,701,239 km (0.07 R)
• M18: 25,184,203 km (0.098 R)
• M19: 25,665,160 km (0.086 R)
• M20: 26,894,256 km (0.098 R)
• M21: 28,076,678 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.9

Radius: 4

Gravity: 31.56 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 7.12 AU - 7.5 AU

Year: 13405 Days

Day: 21.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,640,087 km

• M1: 49,966 km (0.114 R)
• M2: 277,504 km (0.111 R)
• M3: 422,016 km (0.031 R)
• M4: 625,170 km (0.078 R)
• M5: 952,938 km (0.109 R)
• M6: 1,441,525 km (0.049 R)
• M7: 2,692,014 km (0.103 R)
• M8: 3,027,562 km (0.107 R)
• M9: 5,036,362 km (0.118 R)
• M10: 5,303,394 km (0.117 R)
• M11: 5,544,695 km (0.111 R)
• M12: 7,025,864 km (0.094 R)
• M13: 8,704,352 km (0.057 R)
• M14: 9,186,805 km (0.117 R)
• M15: 9,434,689 km (0.114 R)
• M16: 9,636,197 km (0.117 R)
• M17: 10,047,591 km (0.096 R)
• M18: 12,342,423 km (0.091 R)
• M19: 19,192,360 km (0.101 R)
• M20: 20,676,969 km (0.074 R)
• M21: 21,102,425 km (0.07 R)
• M22: 21,447,099 km (0.041 R)
• M23: 23,226,865 km (0.115 R)
• M24: 25,489,682 km (0.085 R)
• M25: 27,077,065 km (0.06 R)
• M26: 36,256,390 km (0.101 R)
• M27: 37,374,784 km (0.098 R)
• M28: 38,516,066 km (0.096 R)
• M29: 38,772,776 km (0.109 R)
• M30: 42,351,157 km (0.04 R)
• M31: 45,567,960 km (0.112 R)
• M32: 50,003,387 km (0.05 R)
• M33: 51,078,099 km (0.11 R)
• M34: 52,325,146 km (0.093 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 10,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit