🌌 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: 338.4

Radius: 14.7

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.49 AU - 0.59 AU

Year: 265 Days

Day: 6.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,147,426 km

• M1: 183,108 km (0.082 R)
• M2: 735,722 km (0.053 R)
• M3: 1,288,337 km (0.112 R)
• M4: 2,800,472 km (0.086 R)
• M5: 3,298,483 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.8

Radius: 11.3

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.65 AU - 0.93 AU

Year: 468 Days

Day: 10.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,147,426 km

• M1: 140,622 km (0.072 R)
• M2: 603,328 km (0.119 R)
• M3: 1,091,316 km (0.066 R)
• M4: 1,532,929 km (0.113 R)
• M5: 2,212,702 km (0.099 R)
• M6: 2,943,936 km (0.08 R)
• M7: 4,130,547 km (0.034 R)
• M8: 5,611,865 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.4

Radius: 11.9

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.18 AU - 3.58 AU

Year: 3259 Days

Day: 14.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,147,426 km

• M1: 148,102 km (0.08 R)
• M2: 635,043 km (0.067 R)
• M3: 1,131,110 km (0.108 R)
• M4: 1,535,622 km (0.079 R)
• M5: 1,934,300 km (0.051 R)
• M6: 2,524,165 km (0.085 R)
• M7: 3,267,965 km (0.087 R)
• M8: 4,196,519 km (0.09 R)
• M9: 4,770,826 km (0.109 R)
• M10: 5,608,723 km (0.089 R)
• M11: 6,814,033 km (0.088 R)
• M12: 7,316,084 km (0.067 R)
• M13: 8,184,799 km (0.119 R)
• M14: 9,083,583 km (0.027 R)
• M15: 12,359,477 km (0.092 R)
• M16: 13,155,637 km (0.08 R)
• M17: 14,850,281 km (0.112 R)
• M18: 15,375,220 km (0.052 R)
• M19: 15,750,113 km (0.056 R)
• M20: 16,296,294 km (0.07 R)
• M21: 18,729,205 km (0.087 R)
• M22: 23,306,750 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.7

Radius: 13.5

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.34 AU - 3.56 AU

Year: 3379 Days

Day: 6.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,147,426 km

• M1: 246,836 km (0.099 R)
• M2: 1,069,326 km (0.117 R)
• M3: 2,091,827 km (0.11 R)
• M4: 3,039,679 km (0.114 R)
• M5: 4,256,807 km (0.081 R)
• M6: 4,864,324 km (0.067 R)
• M7: 5,510,438 km (0.031 R)
• M8: 6,132,166 km (0.113 R)
• M9: 6,714,401 km (0.096 R)
• M10: 7,680,355 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.1

Radius: 13.8

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.87 AU - 5.11 AU

Year: 7433 Days

Day: 12.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 24,147,426 km

• M1: 171,589 km (0.074 R)
• M2: 809,474 km (0.075 R)
• M3: 1,422,825 km (0.076 R)
• M4: 1,880,296 km (0.081 R)
• M5: 2,875,720 km (0.102 R)
• M6: 4,727,742 km (0.039 R)
• M7: 5,862,142 km (0.059 R)
• M8: 6,997,141 km (0.093 R)
• M9: 7,708,778 km (0.07 R)
• M10: 8,546,975 km (0.107 R)
• M11: 9,152,697 km (0.075 R)
• M12: 13,896,296 km (0.085 R)
• M13: 14,735,241 km (0.092 R)
• M14: 16,026,420 km (0.094 R)
• M15: 19,791,349 km (0.095 R)
• M16: 22,253,282 km (0.027 R)
• M17: 23,714,703 km (0.059 R)
• M18: 24,348,699 km (0.061 R)
• M19: 25,239,106 km (0.096 R)
• M20: 26,403,575 km (0.11 R)
• M21: 27,865,446 km (0.117 R)
• M22: 29,109,202 km (0.066 R)
• M23: 29,653,440 km (0.112 R)
• M24: 30,112,256 km (0.082 R)
• M25: 30,949,855 km (0.095 R)
• M26: 31,994,646 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.4

Radius: 14

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.95 AU - 6.41 AU

Year: 9027 Days

Day: 10.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 24,147,426 km

• M1: 174,282 km (0.093 R)
• M2: 1,161,777 km (0.098 R)
• M3: 1,654,552 km (0.049 R)
• M4: 2,146,281 km (0.106 R)
• M5: 3,865,160 km (0.112 R)
• M6: 4,390,398 km (0.102 R)
• M7: 4,931,943 km (0.111 R)
• M8: 5,688,758 km (0.088 R)
• M9: 6,186,620 km (0.11 R)
• M10: 6,713,504 km (0.102 R)
• M11: 8,296,848 km (0.052 R)
• M12: 11,121,255 km (0.054 R)
• M13: 13,327,973 km (0.049 R)
• M14: 19,534,191 km (0.093 R)
• M15: 20,922,309 km (0.043 R)
• M16: 31,978,938 km (0.119 R)
• M17: 32,650,034 km (0.084 R)
• M18: 33,216,412 km (0.066 R)
• M19: 37,613,991 km (0.097 R)
• M20: 38,236,617 km (0.104 R)
• M21: 40,665,488 km (0.12 R)
• M22: 42,117,635 km (0.102 R)
• M23: 43,878,252 km (0.099 R)
• M24: 49,305,663 km (0.11 R)
• M25: 49,901,811 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.4

Radius: 6.8

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.26 AU - 8.88 AU

Year: 13889 Days

Day: 15.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 116.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,147,426 km

• M1: 84,672 km (0.1 R)
• M2: 313,856 km (0.115 R)
• M3: 677,529 km (0.11 R)
• M4: 1,323,343 km (0.101 R)
• M5: 1,556,267 km (0.099 R)
• M6: 1,905,877 km (0.055 R)
• M7: 2,679,747 km (0.106 R)
• M8: 3,183,592 km (0.04 R)
• M9: 3,507,172 km (0.044 R)
• M10: 4,066,220 km (0.107 R)
• M11: 4,828,271 km (0.102 R)
• M12: 5,178,929 km (0.119 R)
• M13: 7,354,231 km (0.114 R)
• M14: 8,991,281 km (0.071 R)
• M15: 13,893,154 km (0.115 R)
• M16: 17,802,446 km (0.091 R)
• M17: 18,038,960 km (0.068 R)
• M18: 18,821,955 km (0.028 R)
• M19: 19,690,521 km (0.048 R)
• M20: 21,042,885 km (0.106 R)
• M21: 22,250,439 km (0.035 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: 375 - 12,475 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit