🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.2

Radius: 12.2

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.59 AU - 0.79 AU

Year: 376 Days

Day: 5.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,816,534 km

• M1: 151,842 km (0.081 R)
• M2: 699,520 km (0.082 R)
• M3: 1,140,235 km (0.082 R)
• M4: 1,776,774 km (0.099 R)
• M5: 2,503,221 km (0.108 R)
• M6: 3,085,007 km (0.046 R)
• M7: 3,699,705 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.8

Radius: 10.6

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.97 AU - 0.97 AU

Year: 627 Days

Day: 5.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,816,534 km

• M1: 131,796 km (0.096 R)
• M2: 496,515 km (0.069 R)
• M3: 922,420 km (0.077 R)
• M4: 1,285,495 km (0.063 R)
• M5: 1,722,171 km (0.102 R)
• M6: 2,109,180 km (0.115 R)
• M7: 2,543,912 km (0.12 R)
• M8: 3,085,007 km (0.115 R)
• M9: 3,440,601 km (0.091 R)
• M10: 3,864,711 km (0.075 R)
• M11: 4,264,287 km (0.091 R)
• M12: 4,660,123 km (0.095 R)
• M13: 5,214,683 km (0.108 R)
• M14: 7,041,572 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.7

Radius: 12.5

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.17 AU - 1.81 AU

Year: 1193 Days

Day: 14.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 168.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,816,534 km

• M1: 155,731 km (0.112 R)
• M2: 642,373 km (0.031 R)
• M3: 1,053,019 km (0.104 R)
• M4: 1,951,953 km (0.109 R)
• M5: 2,426,777 km (0.076 R)
• M6: 3,222,189 km (0.101 R)
• M7: 3,654,078 km (0.102 R)
• M8: 4,124,712 km (0.085 R)
• M9: 4,571,561 km (0.069 R)
• M10: 5,673,948 km (0.038 R)
• M11: 6,549,993 km (0.118 R)
• M12: 7,717,754 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.3

Radius: 12

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.86 AU - 2.98 AU

Year: 2470 Days

Day: 8.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,816,534 km

• M1: 153,338 km (0.118 R)
• M2: 624,272 km (0.09 R)
• M3: 1,089,671 km (0.104 R)
• M4: 1,686,866 km (0.098 R)
• M5: 3,396,320 km (0.095 R)
• M6: 3,841,524 km (0.113 R)
• M7: 5,647,469 km (0.11 R)
• M8: 6,923,389 km (0.103 R)
• M9: 11,144,892 km (0.074 R)
• M10: 12,813,058 km (0.098 R)
• M11: 14,641,742 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.6

Radius: 14.8

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.76 AU - 3.26 AU

Year: 3426 Days

Day: 12.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,816,534 km

• M1: 184,155 km (0.067 R)
• M2: 650,302 km (0.063 R)
• M3: 1,121,236 km (0.099 R)
• M4: 1,822,401 km (0.092 R)
• M5: 2,600,759 km (0.072 R)
• M6: 3,934,723 km (0.081 R)
• M7: 4,545,382 km (0.119 R)
• M8: 5,219,021 km (0.065 R)
• M9: 5,713,442 km (0.043 R)
• M10: 6,949,868 km (0.047 R)
• M11: 7,615,429 km (0.108 R)
• M12: 8,675,480 km (0.116 R)
• M13: 10,386,879 km (0.114 R)
• M14: 12,133,584 km (0.114 R)
• M15: 13,627,618 km (0.099 R)
• M16: 15,188,971 km (0.03 R)
• M17: 18,426,269 km (0.057 R)
• M18: 19,027,503 km (0.083 R)
• M19: 19,954,112 km (0.117 R)
• M20: 21,236,166 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.4

Radius: 8.7

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.88 AU - 3.24 AU

Year: 3511 Days

Day: 9 Hours

Environment

Temp: -207 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,816,534 km

• M1: 109,057 km (0.115 R)
• M2: 385,813 km (0.094 R)
• M3: 2,596,869 km (0.061 R)
• M4: 3,019,932 km (0.095 R)
• M5: 4,616,291 km (0.037 R)
• M6: 6,390,073 km (0.057 R)
• M7: 7,132,527 km (0.086 R)
• M8: 7,832,346 km (0.104 R)
• M9: 8,403,810 km (0.091 R)
• M10: 11,773,352 km (0.103 R)
• M11: 12,523,287 km (0.082 R)
• M12: 15,168,775 km (0.069 R)
• M13: 17,424,262 km (0.072 R)
• M14: 19,467,470 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.8

Radius: 8.2

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3 AU - 4.94 AU

Year: 5189 Days

Day: 6.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,816,534 km

• M1: 102,026 km (0.103 R)
• M2: 409,599 km (0.077 R)
• M3: 877,242 km (0.073 R)
• M4: 1,158,336 km (0.037 R)
• M5: 1,424,621 km (0.12 R)
• M6: 1,756,728 km (0.034 R)
• M7: 2,070,285 km (0.062 R)
• M8: 3,040,128 km (0.094 R)
• M9: 3,300,279 km (0.118 R)
• M10: 4,060,834 km (0.114 R)
• M11: 4,541,791 km (0.089 R)
• M12: 4,958,571 km (0.09 R)
• M13: 5,535,570 km (0.113 R)
• M14: 6,156,551 km (0.114 R)
• M15: 6,667,427 km (0.099 R)
• M16: 7,705,786 km (0.058 R)
• M17: 8,086,513 km (0.093 R)
• M18: 9,420,776 km (0.059 R)
• M19: 10,346,787 km (0.074 R)
• M20: 10,682,634 km (0.115 R)
• M21: 11,824,664 km (0.109 R)
• M22: 12,099,476 km (0.03 R)
• M23: 17,924,817 km (0.081 R)
• M24: 18,226,855 km (0.1 R)
• M25: 20,503,136 km (0.067 R)
• M26: 24,189,377 km (0.104 R)
• M27: 24,558,435 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.1

Radius: 5.4

Gravity: 19.89 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.35 AU - 7.55 AU

Year: 10746 Days

Day: 24.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,816,534 km

• M1: 75,996 km (0.087 R)
• M2: 344,225 km (0.044 R)
• M3: 559,346 km (0.116 R)
• M4: 892,650 km (0.108 R)
• M5: 1,121,386 km (0.063 R)
• M6: 3,413,973 km (0.068 R)
• M7: 3,818,336 km (0.105 R)
• M8: 7,673,772 km (0.092 R)
• M9: 9,146,563 km (0.102 R)
• M10: 9,676,738 km (0.1 R)
• M11: 9,874,507 km (0.113 R)
• M12: 12,756,809 km (0.066 R)
• M13: 12,994,669 km (0.054 R)
• M14: 17,433,537 km (0.034 R)
• M15: 18,549,538 km (0.035 R)
• M16: 21,421,069 km (0.074 R)
• M17: 22,874,562 km (0.088 R)
• M18: 42,629,110 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.9

Radius: 6

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.49 AU - 7.61 AU

Year: 10997 Days

Day: 15.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,816,534 km

• M1: 74,649 km (0.07 R)
• M2: 268,079 km (0.089 R)
• M3: 667,655 km (0.114 R)
• M4: 1,970,354 km (0.06 R)
• M5: 2,468,814 km (0.104 R)
• M6: 3,316,286 km (0.05 R)
• M7: 6,225,216 km (0.104 R)
• M8: 10,544,406 km (0.08 R)
• M9: 11,255,744 km (0.108 R)
• M10: 16,521,888 km (0.1 R)
• M11: 17,415,287 km (0.103 R)
• M12: 22,990,500 km (0.085 R)
• M13: 26,434,841 km (0.105 R)
• M14: 28,369,291 km (0.112 R)
• M15: 29,648,353 km (0.082 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 10,587 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit