🌌 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: 148

Radius: 8.9

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.43 AU - 0.65 AU

Year: 265 Days

Day: 8.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 13,835,946 km

• M1: 110,702 km (0.049 R)
• M2: 436,676 km (0.05 R)
• M3: 1,149,809 km (0.104 R)
• M4: 1,487,751 km (0.101 R)
• M5: 1,821,653 km (0.104 R)
• M6: 2,192,357 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.1

Radius: 12.4

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.52 AU - 0.74 AU

Year: 333 Days

Day: 7.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,835,946 km

• M1: 154,834 km (0.084 R)
• M2: 562,338 km (0.101 R)
• M3: 979,268 km (0.117 R)
• M4: 1,434,793 km (0.079 R)
• M5: 1,917,546 km (0.115 R)
• M6: 2,330,436 km (0.112 R)
• M7: 2,734,799 km (0.046 R)
• M8: 3,306,711 km (0.089 R)
• M9: 3,796,196 km (0.078 R)
• M10: 4,414,932 km (0.103 R)
• M11: 4,981,160 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.1

Radius: 12.9

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.63 AU - 0.77 AU

Year: 391 Days

Day: 9.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,835,946 km

• M1: 160,369 km (0.095 R)
• M2: 624,571 km (0.072 R)
• M3: 1,206,956 km (0.085 R)
• M4: 1,668,465 km (0.1 R)
• M5: 2,230,953 km (0.107 R)
• M6: 2,994,501 km (0.093 R)
• M7: 3,666,943 km (0.087 R)
• M8: 4,295,553 km (0.097 R)
• M9: 4,763,795 km (0.087 R)
• M10: 5,169,205 km (0.096 R)
• M11: 5,873,362 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559

Radius: 9.9

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.62 AU - 0.86 AU

Year: 424 Days

Day: 7.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,835,946 km

• M1: 123,418 km (0.089 R)
• M2: 454,030 km (0.096 R)
• M3: 842,386 km (0.087 R)
• M4: 1,168,060 km (0.07 R)
• M5: 1,493,735 km (0.065 R)
• M6: 1,843,046 km (0.028 R)
• M7: 2,170,216 km (0.117 R)
• M8: 2,489,608 km (0.042 R)
• M9: 3,114,628 km (0.095 R)
• M10: 3,523,628 km (0.097 R)
• M11: 4,098,383 km (0.064 R)
• M12: 4,881,079 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.2

Radius: 9

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.73 AU - 0.83 AU

Year: 459 Days

Day: 7.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 13,835,946 km

• M1: 111,899 km (0.118 R)
• M2: 472,131 km (0.119 R)
• M3: 791,373 km (0.071 R)
• M4: 1,333,964 km (0.104 R)
• M5: 1,666,819 km (0.037 R)
• M6: 2,152,564 km (0.096 R)
• M7: 2,553,935 km (0.057 R)
• M8: 3,297,735 km (0.055 R)
• M9: 3,779,889 km (0.049 R)
• M10: 4,221,802 km (0.096 R)
• M11: 4,697,822 km (0.103 R)
• M12: 5,078,100 km (0.069 R)
• M13: 5,461,669 km (0.083 R)
• M14: 5,775,226 km (0.113 R)
• M15: 6,496,288 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761

Radius: 12.9

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.35 AU - 1.67 AU

Year: 1237 Days

Day: 15 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 13,835,946 km

• M1: 160,519 km (0.096 R)
• M2: 1,101,040 km (0.068 R)
• M3: 1,600,548 km (0.066 R)
• M4: 2,854,627 km (0.106 R)
• M5: 3,986,035 km (0.036 R)
• M6: 4,874,048 km (0.048 R)
• M7: 8,508,379 km (0.112 R)
• M8: 11,717,104 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.3

Radius: 8.9

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.65 AU - 1.71 AU

Year: 1452 Days

Day: 12.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,835,946 km

• M1: 112,348 km (0.072 R)
• M2: 471,682 km (0.119 R)
• M3: 752,627 km (0.049 R)
• M4: 1,145,172 km (0.117 R)
• M5: 1,655,899 km (0.107 R)
• M6: 1,938,190 km (0.108 R)
• M7: 2,464,326 km (0.096 R)
• M8: 3,010,807 km (0.09 R)
• M9: 3,787,369 km (0.115 R)
• M10: 4,237,958 km (0.077 R)
• M11: 5,622,337 km (0.112 R)
• M12: 6,015,929 km (0.118 R)
• M13: 6,609,982 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.4

Radius: 14.9

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.04 AU - 2.37 AU

Year: 2176 Days

Day: 11 Hours

Environment

Temp: -207 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 13,835,946 km

• M1: 185,352 km (0.114 R)
• M2: 981,512 km (0.073 R)
• M3: 1,590,076 km (0.115 R)
• M4: 2,230,205 km (0.062 R)
• M5: 2,827,998 km (0.047 R)
• M6: 3,743,986 km (0.074 R)
• M7: 4,850,412 km (0.119 R)
• M8: 5,939,185 km (0.112 R)
• M9: 6,423,284 km (0.106 R)
• M10: 7,529,859 km (0.051 R)
• M11: 8,315,098 km (0.064 R)
• M12: 9,908,166 km (0.084 R)
• M13: 12,709,386 km (0.072 R)
• M14: 13,301,644 km (0.106 R)
• M15: 13,912,303 km (0.037 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.5

Radius: 12.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.09 AU - 2.45 AU

Year: 2281 Days

Day: 10.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 13,835,946 km

• M1: 153,936 km (0.05 R)
• M2: 657,183 km (0.093 R)
• M3: 1,253,481 km (0.101 R)
• M4: 1,639,742 km (0.092 R)
• M5: 2,274,636 km (0.069 R)
• M6: 2,754,396 km (0.091 R)
• M7: 3,212,764 km (0.12 R)
• M8: 3,886,702 km (0.108 R)
• M9: 4,338,637 km (0.116 R)
• M10: 5,517,469 km (0.089 R)
• M11: 6,874,321 km (0.119 R)
• M12: 8,329,161 km (0.081 R)
• M13: 9,084,480 km (0.041 R)
• M14: 10,140,492 km (0.085 R)
• M15: 10,731,702 km (0.119 R)
• M16: 12,128,348 km (0.082 R)

Planet 10 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.3

Radius: 8.5

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.75 AU - 3.59 AU

Year: 3764 Days

Day: 11.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 13,835,946 km

• M1: 112,797 km (0.06 R)
• M2: 407,056 km (0.041 R)
• M3: 709,692 km (0.042 R)
• M4: 1,243,757 km (0.057 R)
• M5: 1,801,458 km (0.079 R)
• M6: 2,303,957 km (0.067 R)
• M7: 2,595,224 km (0.076 R)
• M8: 2,954,408 km (0.072 R)
• M9: 3,441,798 km (0.119 R)
• M10: 3,738,900 km (0.112 R)
• M11: 4,161,663 km (0.11 R)
• M12: 4,675,233 km (0.12 R)
• M13: 4,999,112 km (0.09 R)
• M14: 5,921,383 km (0.118 R)
• M15: 7,004,621 km (0.056 R)
• M16: 7,538,536 km (0.114 R)
• M17: 9,367,071 km (0.111 R)
• M18: 11,007,860 km (0.119 R)
• M19: 13,549,678 km (0.074 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 14,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit