🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.6

Radius: 12.4

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.68 AU - 0.78 AU

Year: 403 Days

Day: 11.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,670,409 km

• M1: 154,385 km (0.094 R)
• M2: 387,159 km (0.068 R)
• M3: 651,798 km (0.096 R)
• M4: 886,966 km (0.102 R)
• M5: 1,138,440 km (0.055 R)
• M6: 1,502,711 km (0.117 R)
• M7: 1,742,366 km (0.116 R)
• M8: 2,127,132 km (0.06 R)
• M9: 2,863,303 km (0.104 R)
• M10: 3,170,428 km (0.032 R)
• M11: 3,786,472 km (0.082 R)
• M12: 4,058,590 km (0.064 R)
• M13: 4,391,445 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.2

Radius: 11

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.83 AU - 0.87 AU

Year: 506 Days

Day: 5.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,670,409 km

• M1: 136,732 km (0.114 R)
• M2: 377,435 km (0.086 R)
• M3: 621,430 km (0.102 R)
• M4: 870,211 km (0.062 R)
• M5: 1,095,206 km (0.094 R)
• M6: 1,346,082 km (0.117 R)
• M7: 1,640,490 km (0.1 R)
• M8: 2,215,544 km (0.087 R)
• M9: 2,426,029 km (0.099 R)
• M10: 2,715,949 km (0.111 R)
• M11: 3,354,732 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.3

Radius: 14.6

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.79 AU - 1.01 AU

Year: 551 Days

Day: 12.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,670,409 km

• M1: 185,950 km (0.112 R)
• M2: 476,170 km (0.032 R)
• M3: 1,365,380 km (0.108 R)
• M4: 1,670,111 km (0.114 R)
• M5: 2,144,336 km (0.09 R)
• M6: 3,280,532 km (0.071 R)
• M7: 3,865,459 km (0.1 R)
• M8: 4,369,604 km (0.046 R)
• M9: 4,727,143 km (0.07 R)
• M10: 5,679,483 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.2

Radius: 12.1

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.84 AU - 1.1 AU

Year: 617 Days

Day: 13.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,670,409 km

• M1: 162,912 km (0.116 R)
• M2: 398,529 km (0.07 R)
• M3: 682,316 km (0.069 R)
• M4: 1,153,400 km (0.115 R)
• M5: 1,488,050 km (0.074 R)
• M6: 1,928,466 km (0.119 R)
• M7: 2,199,388 km (0.033 R)
• M8: 2,431,564 km (0.12 R)
• M9: 2,658,953 km (0.067 R)
• M10: 3,071,095 km (0.083 R)
• M11: 3,386,148 km (0.041 R)
• M12: 3,758,497 km (0.066 R)
• M13: 4,842,633 km (0.06 R)
• M14: 5,154,245 km (0.054 R)
• M15: 5,463,165 km (0.06 R)
• M16: 5,742,763 km (0.117 R)
• M17: 6,242,570 km (0.104 R)
• M18: 6,486,713 km (0.103 R)
• M19: 6,763,769 km (0.118 R)
• M20: 7,277,188 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.8

Radius: 9.3

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.01 AU - 1.31 AU

Year: 807 Days

Day: 6.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,670,409 km

• M1: 119,379 km (0.083 R)
• M2: 297,101 km (0.12 R)
• M3: 476,170 km (0.075 R)
• M4: 691,292 km (0.079 R)
• M5: 885,470 km (0.042 R)
• M6: 1,149,959 km (0.073 R)
• M7: 1,394,851 km (0.085 R)
• M8: 1,574,518 km (0.049 R)
• M9: 1,802,056 km (0.104 R)
• M10: 2,078,513 km (0.091 R)
• M11: 2,327,144 km (0.088 R)
• M12: 2,739,287 km (0.102 R)
• M13: 3,089,495 km (0.066 R)
• M14: 3,301,924 km (0.096 R)
• M15: 3,828,808 km (0.099 R)
• M16: 4,084,171 km (0.089 R)
• M17: 4,319,489 km (0.032 R)
• M18: 4,820,193 km (0.106 R)
• M19: 5,065,683 km (0.105 R)
• M20: 5,391,806 km (0.026 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982

Radius: 9.8

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.37 AU - 2.25 AU

Year: 1572 Days

Day: 10.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 21,670,409 km

• M1: 132,394 km (0.101 R)
• M2: 432,487 km (0.114 R)
• M3: 639,381 km (0.119 R)
• M4: 877,990 km (0.08 R)
• M5: 1,426,715 km (0.112 R)
• M6: 1,691,802 km (0.113 R)
• M7: 1,970,653 km (0.119 R)
• M8: 2,559,470 km (0.032 R)
• M9: 3,766,426 km (0.111 R)
• M10: 3,980,799 km (0.098 R)
• M11: 4,526,832 km (0.065 R)
• M12: 4,882,127 km (0.044 R)
• M13: 5,197,628 km (0.117 R)
• M14: 5,634,155 km (0.092 R)
• M15: 5,934,996 km (0.118 R)
• M16: 6,702,134 km (0.1 R)
• M17: 7,711,471 km (0.073 R)
• M18: 7,975,062 km (0.1 R)
• M19: 8,630,600 km (0.095 R)
• M20: 9,098,094 km (0.09 R)
• M21: 9,675,541 km (0.079 R)
• M22: 10,020,664 km (0.071 R)
• M23: 10,549,791 km (0.11 R)
• M24: 11,276,837 km (0.101 R)
• M25: 12,192,526 km (0.058 R)
• M26: 12,776,257 km (0.095 R)
• M27: 12,973,875 km (0.106 R)
• M28: 13,402,473 km (0.109 R)
• M29: 15,003,619 km (0.081 R)
• M30: 15,557,580 km (0.067 R)

Asteroid Belt

Center: 2.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.9

Radius: 11.9

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.24 AU - 2.94 AU

Year: 2691 Days

Day: 5.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,670,409 km

• M1: 154,983 km (0.084 R)
• M2: 478,863 km (0.087 R)
• M3: 908,657 km (0.095 R)
• M4: 1,247,197 km (0.098 R)
• M5: 2,137,006 km (0.066 R)
• M6: 2,952,763 km (0.096 R)
• M7: 3,505,976 km (0.085 R)
• M8: 3,854,688 km (0.098 R)
• M9: 4,781,746 km (0.09 R)
• M10: 5,636,698 km (0.042 R)
• M11: 6,125,434 km (0.056 R)
• M12: 6,873,274 km (0.093 R)
• M13: 7,413,173 km (0.061 R)
• M14: 7,767,421 km (0.08 R)
• M15: 8,555,203 km (0.085 R)
• M16: 9,101,834 km (0.055 R)
• M17: 11,933,721 km (0.095 R)
• M18: 16,814,950 km (0.072 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 16,481 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit