🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.6

Radius: 12.9

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.61 AU - 0.63 AU

Year: 337 Days

Day: 10.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,082,129 km

• M1: 160,369 km (0.099 R)
• M2: 562,787 km (0.119 R)
• M3: 1,065,286 km (0.07 R)
• M4: 1,674,898 km (0.055 R)
• M5: 2,109,779 km (0.05 R)
• M6: 2,832,336 km (0.09 R)
• M7: 4,161,663 km (0.099 R)
• M8: 4,958,870 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.3

Radius: 13.9

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.79 AU - 1.07 AU

Year: 619 Days

Day: 9.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,082,129 km

• M1: 172,935 km (0.117 R)
• M2: 618,288 km (0.108 R)
• M3: 1,101,639 km (0.107 R)
• M4: 1,676,394 km (0.089 R)
• M5: 2,171,114 km (0.043 R)
• M6: 2,719,091 km (0.12 R)
• M7: 3,450,774 km (0.071 R)
• M8: 4,053,504 km (0.028 R)
• M9: 4,547,027 km (0.113 R)
• M10: 5,238,319 km (0.095 R)
• M11: 5,998,725 km (0.077 R)
• M12: 6,621,800 km (0.098 R)
• M13: 7,199,248 km (0.11 R)
• M14: 8,092,796 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.1

Radius: 11

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.98 AU - 1.2 AU

Year: 786 Days

Day: 8.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,082,129 km

• M1: 136,732 km (0.11 R)
• M2: 495,169 km (0.1 R)
• M3: 857,345 km (0.113 R)
• M4: 1,252,284 km (0.111 R)
• M5: 1,608,776 km (0.029 R)
• M6: 2,067,891 km (0.106 R)
• M7: 2,514,740 km (0.045 R)
• M8: 3,104,156 km (0.05 R)
• M9: 4,022,388 km (0.11 R)
• M10: 5,017,662 km (0.086 R)
• M11: 5,573,418 km (0.114 R)
• M12: 6,187,966 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.9

Radius: 14.2

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.92 AU - 1.26 AU

Year: 786 Days

Day: 11.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,082,129 km

• M1: 176,675 km (0.091 R)
• M2: 621,729 km (0.088 R)
• M3: 1,202,019 km (0.034 R)
• M4: 1,658,592 km (0.11 R)
• M5: 2,637,111 km (0.07 R)
• M6: 3,140,658 km (0.071 R)
• M7: 3,795,148 km (0.055 R)
• M8: 5,681,877 km (0.054 R)
• M9: 6,383,491 km (0.037 R)
• M10: 7,278,236 km (0.043 R)
• M11: 8,230,276 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.8

Radius: 11.9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.15 AU - 1.79 AU

Year: 1230 Days

Day: 5.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,082,129 km

• M1: 147,952 km (0.11 R)
• M2: 571,015 km (0.117 R)
• M3: 1,098,348 km (0.032 R)
• M4: 1,521,560 km (0.115 R)
• M5: 1,915,302 km (0.047 R)
• M6: 2,552,289 km (0.095 R)
• M7: 3,213,063 km (0.039 R)
• M8: 3,607,253 km (0.085 R)
• M9: 4,083,423 km (0.083 R)
• M10: 5,440,276 km (0.107 R)
• M11: 5,917,942 km (0.11 R)
• M12: 7,905,799 km (0.05 R)
• M13: 8,574,950 km (0.1 R)
• M14: 9,137,139 km (0.054 R)
• M15: 9,634,252 km (0.09 R)
• M16: 10,211,251 km (0.063 R)
• M17: 10,746,812 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.1

Radius: 9.7

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.27 AU - 1.73 AU

Year: 1268 Days

Day: 6.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,082,129 km

• M1: 120,725 km (0.085 R)
• M2: 442,660 km (0.113 R)
• M3: 787,034 km (0.108 R)
• M4: 1,618,350 km (0.096 R)
• M5: 2,320,413 km (0.049 R)
• M6: 3,489,969 km (0.11 R)
• M7: 3,973,469 km (0.111 R)
• M8: 4,629,605 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.6

Radius: 10

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.01 AU - 2.25 AU

Year: 2146 Days

Day: 8.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,082,129 km

• M1: 125,363 km (0.086 R)
• M2: 671,994 km (0.11 R)
• M3: 1,056,460 km (0.058 R)
• M4: 1,462,768 km (0.11 R)
• M5: 1,982,621 km (0.082 R)
• M6: 2,512,945 km (0.036 R)
• M7: 3,234,456 km (0.111 R)
• M8: 3,605,458 km (0.116 R)
• M9: 4,668,800 km (0.104 R)
• M10: 5,951,003 km (0.119 R)
• M11: 6,487,760 km (0.095 R)
• M12: 6,935,507 km (0.074 R)
• M13: 8,105,063 km (0.109 R)
• M14: 9,283,595 km (0.102 R)
• M15: 9,761,261 km (0.113 R)

Asteroid Belt

Center: 3.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.9

Radius: 11.8

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.98 AU - 5.32 AU

Year: 6921 Days

Day: 12.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,082,129 km

• M1: 150,346 km (0.116 R)
• M2: 542,891 km (0.112 R)
• M3: 930,050 km (0.093 R)
• M4: 1,640,191 km (0.045 R)
• M5: 2,265,660 km (0.058 R)
• M6: 2,897,711 km (0.098 R)
• M7: 3,751,615 km (0.113 R)
• M8: 4,179,166 km (0.117 R)
• M9: 4,973,680 km (0.089 R)
• M10: 5,955,042 km (0.068 R)
• M11: 7,263,874 km (0.086 R)
• M12: 9,390,408 km (0.1 R)
• M13: 10,751,449 km (0.094 R)
• M14: 11,713,513 km (0.106 R)
• M15: 12,386,255 km (0.106 R)
• M16: 14,180,981 km (0.077 R)
• M17: 15,564,910 km (0.059 R)
• M18: 17,527,186 km (0.037 R)
• M19: 18,089,823 km (0.049 R)
• M20: 19,716,251 km (0.098 R)
• M21: 20,668,442 km (0.064 R)
• M22: 21,437,824 km (0.075 R)
• M23: 23,785,313 km (0.113 R)
• M24: 26,380,388 km (0.107 R)
• M25: 28,297,185 km (0.087 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.8

Radius: 13.4

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.87 AU - 4.87 AU

Year: 7418 Days

Day: 5.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,082,129 km

• M1: 166,652 km (0.095 R)
• M2: 695,630 km (0.095 R)
• M3: 1,586,186 km (0.091 R)
• M4: 2,270,746 km (0.073 R)
• M5: 2,712,359 km (0.108 R)
• M6: 6,592,030 km (0.088 R)
• M7: 8,282,785 km (0.063 R)
• M8: 8,714,375 km (0.082 R)
• M9: 9,482,859 km (0.059 R)
• M10: 10,295,924 km (0.107 R)
• M11: 14,760,822 km (0.107 R)
• M12: 17,206,897 km (0.093 R)
• M13: 18,344,140 km (0.107 R)
• M14: 19,005,512 km (0.027 R)
• M15: 20,375,978 km (0.108 R)
• M16: 20,847,211 km (0.063 R)
• M17: 21,406,109 km (0.111 R)
• M18: 22,553,973 km (0.069 R)
• M19: 24,089,596 km (0.085 R)
• M20: 27,178,642 km (0.104 R)
• M21: 28,329,349 km (0.086 R)
• M22: 29,612,151 km (0.078 R)
• M23: 31,036,771 km (0.107 R)
• M24: 34,909,262 km (0.031 R)
• M25: 35,697,941 km (0.108 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 11,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit