🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50

Radius: 10.3

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.52 AU - 0.54 AU

Year: 257 Days

Day: 8 Hours

Environment

Temp: -134 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 54,609,909 km

• M1: 128,205 km (0.117 R)
• M2: 472,280 km (0.076 R)
• M3: 818,899 km (0.048 R)
• M4: 1,219,372 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.6

Radius: 11.8

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.47 AU - 0.77 AU

Year: 326 Days

Day: 13.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,609,909 km

• M1: 146,756 km (0.071 R)
• M2: 524,041 km (0.108 R)
• M3: 909,106 km (0.097 R)
• M4: 1,382,733 km (0.07 R)
• M5: 1,763,161 km (0.104 R)
• M6: 2,158,996 km (0.051 R)
• M7: 3,063,166 km (0.044 R)
• M8: 3,430,429 km (0.086 R)
• M9: 4,606,268 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.2

Radius: 8.7

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.58 AU - 1.84 AU

Year: 1491 Days

Day: 14 Hours

Environment

Temp: -188 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,609,909 km

• M1: 108,159 km (0.116 R)
• M2: 907,760 km (0.095 R)
• M3: 1,334,263 km (0.052 R)
• M4: 1,864,737 km (0.079 R)
• M5: 2,445,028 km (0.041 R)
• M6: 2,852,682 km (0.039 R)
• M7: 3,254,053 km (0.078 R)
• M8: 4,307,671 km (0.103 R)
• M9: 4,591,458 km (0.091 R)
• M10: 4,989,239 km (0.085 R)
• M11: 5,666,019 km (0.074 R)
• M12: 7,512,356 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.8

Radius: 9.8

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.69 AU - 2.57 AU

Year: 2073 Days

Day: 9.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,609,909 km

• M1: 121,922 km (0.075 R)
• M2: 563,535 km (0.074 R)
• M3: 1,000,062 km (0.11 R)
• M4: 1,323,642 km (0.045 R)
• M5: 1,718,281 km (0.097 R)
• M6: 3,093,385 km (0.114 R)
• M7: 3,743,537 km (0.043 R)
• M8: 4,206,543 km (0.087 R)
• M9: 4,875,843 km (0.12 R)
• M10: 5,406,168 km (0.108 R)
• M11: 6,197,541 km (0.037 R)
• M12: 7,202,389 km (0.064 R)
• M13: 7,773,105 km (0.051 R)
• M14: 8,251,220 km (0.079 R)
• M15: 8,780,497 km (0.102 R)
• M16: 9,365,575 km (0.115 R)
• M17: 9,872,711 km (0.074 R)
• M18: 10,722,128 km (0.063 R)
• M19: 11,239,737 km (0.101 R)
• M20: 11,929,682 km (0.101 R)
• M21: 13,521,104 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.3

Radius: 12.1

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.17 AU - 2.87 AU

Year: 2668 Days

Day: 10.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 132.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,609,909 km

• M1: 150,645 km (0.086 R)
• M2: 552,465 km (0.118 R)
• M3: 1,098,348 km (0.108 R)
• M4: 1,679,535 km (0.113 R)
• M5: 2,948,873 km (0.116 R)
• M6: 4,798,950 km (0.076 R)
• M7: 7,823,370 km (0.039 R)
• M8: 10,556,823 km (0.091 R)
• M9: 11,778,439 km (0.053 R)
• M10: 14,822,307 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.2

Radius: 12.2

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.34 AU - 5.1 AU

Year: 5781 Days

Day: 11.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,609,909 km

• M1: 151,842 km (0.092 R)
• M2: 629,358 km (0.103 R)
• M3: 1,142,629 km (0.073 R)
• M4: 2,711,461 km (0.107 R)
• M5: 4,479,259 km (0.082 R)
• M6: 5,747,251 km (0.043 R)
• M7: 6,330,084 km (0.109 R)
• M8: 6,916,508 km (0.098 R)
• M9: 7,315,037 km (0.088 R)
• M10: 7,805,867 km (0.114 R)
• M11: 9,108,416 km (0.073 R)
• M12: 10,503,715 km (0.088 R)
• M13: 13,157,133 km (0.114 R)
• M14: 14,579,808 km (0.072 R)
• M15: 16,483,441 km (0.056 R)
• M16: 18,478,479 km (0.119 R)
• M17: 18,966,317 km (0.103 R)
• M18: 19,534,191 km (0.108 R)
• M19: 20,629,696 km (0.092 R)
• M20: 21,079,238 km (0.055 R)
• M21: 23,587,994 km (0.088 R)
• M22: 25,253,467 km (0.112 R)
• M23: 27,715,100 km (0.098 R)
• M24: 28,262,628 km (0.028 R)
• M25: 30,525,595 km (0.032 R)
• M26: 32,906,744 km (0.085 R)
• M27: 35,409,367 km (0.104 R)
• M28: 35,946,274 km (0.111 R)
• M29: 36,379,659 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.9

Radius: 7.3

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 10.61 AU - 11.19 AU

Year: 23998 Days

Day: 21.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,609,909 km

• M1: 92,451 km (0.092 R)
• M2: 331,210 km (0.061 R)
• M3: 588,518 km (0.117 R)
• M4: 2,368,733 km (0.105 R)
• M5: 2,720,138 km (0.099 R)
• M6: 3,450,774 km (0.089 R)
• M7: 3,959,407 km (0.082 R)
• M8: 7,408,236 km (0.114 R)
• M9: 8,207,388 km (0.104 R)
• M10: 10,187,316 km (0.109 R)
• M11: 11,402,051 km (0.069 R)
• M12: 12,283,930 km (0.11 R)
• M13: 19,769,209 km (0.079 R)
• M14: 24,498,895 km (0.066 R)
• M15: 25,468,589 km (0.116 R)
• M16: 39,176,541 km (0.084 R)
• M17: 50,466,991 km (0.091 R)
• M18: 52,670,718 km (0.069 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 12,802 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit