🌌 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: 272.1

Radius: 9.7

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.45 AU - 0.73 AU

Year: 302 Days

Day: 13.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,552,228 km

• M1: 120,725 km (0.091 R)
• M2: 611,556 km (0.114 R)
• M3: 945,309 km (0.059 R)
• M4: 1,305,989 km (0.087 R)
• M5: 1,632,113 km (0.099 R)
• M6: 2,117,558 km (0.113 R)
• M7: 2,492,899 km (0.109 R)
• M8: 2,851,186 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.9

Radius: 10.6

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.67 AU - 0.71 AU

Year: 382 Days

Day: 5 Hours

Environment

Temp: -157 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,552,228 km

• M1: 131,796 km (0.108 R)
• M2: 879,935 km (0.116 R)
• M3: 1,441,974 km (0.097 R)
• M4: 1,845,290 km (0.085 R)
• M5: 2,270,297 km (0.105 R)
• M6: 2,751,404 km (0.035 R)
• M7: 3,172,971 km (0.088 R)
• M8: 3,574,342 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.7

Radius: 10.8

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.13 AU - 1.33 AU

Year: 910 Days

Day: 11.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,552,228 km

• M1: 136,732 km (0.111 R)
• M2: 475,572 km (0.076 R)
• M3: 845,527 km (0.045 R)
• M4: 1,276,967 km (0.075 R)
• M5: 1,654,403 km (0.053 R)
• M6: 2,651,921 km (0.112 R)
• M7: 3,088,897 km (0.102 R)
• M8: 3,573,744 km (0.076 R)
• M9: 3,942,801 km (0.079 R)
• M10: 4,995,223 km (0.097 R)
• M11: 5,896,101 km (0.102 R)
• M12: 6,490,304 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.5

Radius: 14

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.9 AU - 2.28 AU

Year: 2015 Days

Day: 10.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,552,228 km

• M1: 175,927 km (0.086 R)
• M2: 889,210 km (0.064 R)
• M3: 2,361,103 km (0.068 R)
• M4: 6,038,219 km (0.075 R)
• M5: 6,590,833 km (0.077 R)
• M6: 7,177,257 km (0.087 R)
• M7: 9,425,264 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.7

Radius: 8.1

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.35 AU - 3.77 AU

Year: 3570 Days

Day: 9.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,552,228 km

• M1: 100,829 km (0.106 R)
• M2: 509,082 km (0.113 R)
• M3: 761,453 km (0.107 R)
• M4: 1,711,848 km (0.118 R)
• M5: 2,010,446 km (0.114 R)
• M6: 2,503,670 km (0.119 R)
• M7: 3,537,242 km (0.086 R)
• M8: 4,082,825 km (0.11 R)
• M9: 4,355,991 km (0.116 R)
• M10: 5,249,838 km (0.077 R)
• M11: 5,503,107 km (0.067 R)
• M12: 7,952,922 km (0.093 R)
• M13: 10,900,748 km (0.031 R)
• M14: 12,252,514 km (0.09 R)
• M15: 13,799,356 km (0.087 R)
• M16: 14,732,997 km (0.101 R)
• M17: 15,994,556 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.3

Radius: 12.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.26 AU - 3.52 AU

Year: 4162 Days

Day: 14.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,552,228 km

• M1: 155,432 km (0.059 R)
• M2: 653,144 km (0.104 R)
• M3: 1,147,266 km (0.049 R)
• M4: 1,545,346 km (0.073 R)
• M5: 2,078,812 km (0.085 R)
• M6: 2,634,718 km (0.065 R)
• M7: 4,048,118 km (0.054 R)
• M8: 6,267,104 km (0.112 R)
• M9: 7,138,960 km (0.038 R)
• M10: 8,125,558 km (0.113 R)
• M11: 9,239,613 km (0.034 R)
• M12: 10,202,126 km (0.102 R)
• M13: 10,707,916 km (0.114 R)
• M14: 13,693,740 km (0.105 R)
• M15: 18,775,131 km (0.111 R)
• M16: 20,119,866 km (0.081 R)
• M17: 23,578,868 km (0.12 R)
• M18: 24,166,938 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 12.2

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.08 AU - 4.8 AU

Year: 5215 Days

Day: 6.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,552,228 km

• M1: 151,842 km (0.054 R)
• M2: 1,000,660 km (0.098 R)
• M3: 1,741,918 km (0.072 R)
• M4: 2,478,238 km (0.116 R)
• M5: 2,963,235 km (0.093 R)
• M6: 3,373,282 km (0.052 R)
• M7: 3,757,749 km (0.094 R)
• M8: 4,308,867 km (0.085 R)
• M9: 4,738,513 km (0.106 R)
• M10: 6,114,663 km (0.077 R)
• M11: 7,776,247 km (0.113 R)
• M12: 8,163,406 km (0.061 R)
• M13: 10,422,035 km (0.084 R)
• M14: 10,806,501 km (0.106 R)
• M15: 12,064,171 km (0.106 R)
• M16: 12,488,430 km (0.118 R)
• M17: 12,873,944 km (0.045 R)
• M18: 17,838,050 km (0.091 R)
• M19: 20,112,087 km (0.091 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: 437 - 19,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit