🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.2

Radius: 11.8

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.64 AU - 0.64 AU

Year: 353 Days

Day: 13.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,421,627 km

• M1: 148,251 km (0.093 R)
• M2: 672,742 km (0.105 R)
• M3: 1,057,507 km (0.102 R)
• M4: 1,448,257 km (0.117 R)
• M5: 1,990,998 km (0.102 R)
• M6: 2,399,251 km (0.105 R)
• M7: 3,038,482 km (0.088 R)
• M8: 3,691,477 km (0.047 R)
• M9: 4,630,054 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.4

Radius: 9.6

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.81 AU - 1.07 AU

Year: 629 Days

Day: 13.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,421,627 km

• M1: 119,379 km (0.105 R)
• M2: 523,293 km (0.073 R)
• M3: 994,527 km (0.075 R)
• M4: 1,297,014 km (0.12 R)
• M5: 1,662,332 km (0.081 R)
• M6: 2,048,593 km (0.049 R)
• M7: 2,419,446 km (0.109 R)
• M8: 3,499,393 km (0.114 R)
• M9: 3,898,371 km (0.051 R)
• M10: 5,317,456 km (0.115 R)
• M11: 6,184,226 km (0.109 R)
• M12: 7,009,259 km (0.071 R)
• M13: 7,529,261 km (0.088 R)
• M14: 7,834,291 km (0.097 R)
• M15: 8,419,368 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.8

Radius: 8.7

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.66 AU - 1.9 AU

Year: 1639 Days

Day: 9.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,421,627 km

• M1: 109,206 km (0.118 R)
• M2: 500,854 km (0.042 R)
• M3: 882,328 km (0.106 R)
• M4: 1,252,882 km (0.118 R)
• M5: 1,532,481 km (0.075 R)
• M6: 1,884,634 km (0.098 R)
• M7: 2,164,083 km (0.083 R)
• M8: 2,917,607 km (0.083 R)
• M9: 3,769,118 km (0.046 R)
• M10: 4,934,935 km (0.075 R)
• M11: 5,492,935 km (0.106 R)
• M12: 5,865,433 km (0.057 R)
• M13: 6,138,449 km (0.084 R)
• M14: 6,958,695 km (0.089 R)
• M15: 7,264,921 km (0.107 R)
• M16: 8,210,230 km (0.053 R)
• M17: 9,083,882 km (0.109 R)
• M18: 9,762,907 km (0.099 R)
• M19: 10,082,597 km (0.058 R)
• M20: 10,376,258 km (0.12 R)
• M21: 11,573,041 km (0.058 R)
• M22: 12,259,994 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.3

Radius: 11.9

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.79 AU - 2.09 AU

Year: 1865 Days

Day: 11 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,421,627 km

• M1: 147,952 km (0.054 R)
• M2: 1,472,941 km (0.052 R)
• M3: 2,008,651 km (0.11 R)
• M4: 2,499,481 km (0.102 R)
• M5: 2,879,460 km (0.112 R)
• M6: 3,386,896 km (0.094 R)
• M7: 3,773,905 km (0.083 R)
• M8: 4,769,031 km (0.05 R)
• M9: 5,277,813 km (0.112 R)
• M10: 6,544,159 km (0.108 R)
• M11: 6,975,749 km (0.095 R)
• M12: 9,792,228 km (0.109 R)
• M13: 11,012,498 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760

Radius: 9

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.66 AU - 3.02 AU

Year: 3304 Days

Day: 8.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,421,627 km

• M1: 112,049 km (0.111 R)
• M2: 414,386 km (0.093 R)
• M3: 835,654 km (0.039 R)
• M4: 1,150,108 km (0.072 R)
• M5: 1,522,757 km (0.058 R)
• M6: 2,219,883 km (0.079 R)
• M7: 2,771,301 km (0.042 R)
• M8: 3,527,219 km (0.075 R)
• M9: 3,932,629 km (0.065 R)
• M10: 5,209,895 km (0.118 R)
• M11: 5,495,478 km (0.087 R)
• M12: 5,929,611 km (0.04 R)
• M13: 7,370,537 km (0.104 R)
• M14: 8,207,388 km (0.086 R)
• M15: 8,994,871 km (0.104 R)
• M16: 10,108,777 km (0.108 R)
• M17: 10,431,759 km (0.103 R)
• M18: 11,140,853 km (0.114 R)
• M19: 12,378,177 km (0.103 R)
• M20: 14,760,373 km (0.107 R)
• M21: 15,815,188 km (0.044 R)
• M22: 17,664,068 km (0.097 R)
• M23: 22,257,919 km (0.102 R)
• M24: 22,943,377 km (0.051 R)
• M25: 23,361,503 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.7

Radius: 9.8

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.54 AU - 4.2 AU

Year: 4270 Days

Day: 9.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,421,627 km

• M1: 124,465 km (0.03 R)
• M2: 709,991 km (0.114 R)
• M3: 1,256,323 km (0.1 R)
• M4: 1,777,522 km (0.098 R)
• M5: 2,101,102 km (0.117 R)
• M6: 2,640,552 km (0.101 R)
• M7: 3,004,075 km (0.104 R)
• M8: 5,650,760 km (0.046 R)
• M9: 8,938,922 km (0.104 R)
• M10: 13,116,592 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.9

Radius: 9.4

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.47 AU - 4.85 AU

Year: 5857 Days

Day: 7.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,421,627 km

• M1: 116,986 km (0.095 R)
• M2: 575,204 km (0.04 R)
• M3: 1,083,238 km (0.117 R)
• M4: 3,118,966 km (0.084 R)
• M5: 3,695,965 km (0.068 R)
• M6: 6,041,211 km (0.099 R)
• M7: 8,994,273 km (0.084 R)
• M8: 10,292,633 km (0.096 R)
• M9: 11,759,440 km (0.109 R)
• M10: 12,744,243 km (0.072 R)
• M11: 16,868,805 km (0.119 R)
• M12: 17,675,288 km (0.099 R)
• M13: 18,442,276 km (0.078 R)
• M14: 24,211,069 km (0.083 R)
• M15: 24,997,505 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.6

Radius: 5.8

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.26 AU - 8.48 AU

Year: 13811 Days

Day: 20.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,421,627 km

• M1: 72,555 km (0.076 R)
• M2: 368,609 km (0.074 R)
• M3: 974,630 km (0.074 R)
• M4: 2,444,579 km (0.085 R)
• M5: 3,243,581 km (0.077 R)
• M6: 3,728,278 km (0.098 R)
• M7: 4,343,873 km (0.087 R)
• M8: 4,932,391 km (0.101 R)
• M9: 5,706,860 km (0.107 R)
• M10: 6,747,462 km (0.115 R)
• M11: 7,617,224 km (0.08 R)
• M12: 8,294,903 km (0.051 R)
• M13: 9,197,875 km (0.049 R)
• M14: 9,818,707 km (0.105 R)
• M15: 11,628,990 km (0.091 R)
• M16: 12,411,687 km (0.106 R)
• M17: 12,991,827 km (0.062 R)
• M18: 14,081,348 km (0.083 R)
• M19: 17,425,459 km (0.056 R)
• M20: 18,078,903 km (0.058 R)
• M21: 19,357,366 km (0.059 R)
• M22: 22,261,809 km (0.051 R)
• M23: 22,858,405 km (0.114 R)
• M24: 25,259,750 km (0.096 R)
• M25: 25,629,257 km (0.068 R)
• M26: 26,379,041 km (0.062 R)
• M27: 32,475,155 km (0.082 R)
• M28: 34,471,987 km (0.032 R)
• M29: 39,819,512 km (0.102 R)
• M30: 43,147,915 km (0.057 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 15,351 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit