🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.7

Radius: 11.3

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.82 AU - 0.92 AU

Year: 532 Days

Day: 9.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,163,819 km

• M1: 140,472 km (0.073 R)
• M2: 613,650 km (0.086 R)
• M3: 1,013,077 km (0.088 R)
• M4: 1,424,770 km (0.119 R)
• M5: 2,244,118 km (0.115 R)
• M6: 2,638,757 km (0.11 R)
• M7: 2,992,257 km (0.064 R)
• M8: 4,318,741 km (0.112 R)
• M9: 5,812,625 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.6

Radius: 10.8

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.2 AU - 2.7 AU

Year: 2516 Days

Day: 9.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 25,163,819 km

• M1: 135,536 km (0.065 R)
• M2: 517,160 km (0.076 R)
• M3: 912,697 km (0.101 R)
• M4: 1,358,498 km (0.092 R)
• M5: 1,995,037 km (0.107 R)
• M6: 2,835,927 km (0.046 R)
• M7: 3,180,451 km (0.11 R)
• M8: 3,641,811 km (0.116 R)
• M9: 4,656,982 km (0.091 R)
• M10: 5,300,103 km (0.113 R)
• M11: 6,128,426 km (0.085 R)
• M12: 7,296,935 km (0.072 R)
• M13: 8,010,816 km (0.092 R)
• M14: 8,576,147 km (0.041 R)
• M15: 8,934,583 km (0.105 R)
• M16: 9,646,968 km (0.065 R)
• M17: 10,034,876 km (0.118 R)
• M18: 11,184,834 km (0.109 R)
• M19: 11,851,592 km (0.082 R)
• M20: 13,050,021 km (0.081 R)
• M21: 14,101,394 km (0.104 R)
• M22: 14,464,169 km (0.114 R)
• M23: 14,973,251 km (0.079 R)
• M24: 15,734,854 km (0.114 R)
• M25: 17,335,401 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.8

Radius: 11.6

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.5 AU - 2.68 AU

Year: 2734 Days

Day: 14.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,163,819 km

• M1: 144,212 km (0.073 R)
• M2: 575,952 km (0.117 R)
• M3: 944,561 km (0.087 R)
• M4: 1,541,905 km (0.113 R)
• M5: 2,089,134 km (0.108 R)
• M6: 3,223,834 km (0.027 R)
• M7: 3,616,828 km (0.09 R)
• M8: 4,041,985 km (0.106 R)
• M9: 4,897,086 km (0.112 R)
• M10: 5,444,914 km (0.091 R)
• M11: 7,211,964 km (0.06 R)
• M12: 9,596,853 km (0.094 R)
• M13: 10,416,799 km (0.053 R)
• M14: 12,240,547 km (0.114 R)
• M15: 12,785,532 km (0.066 R)
• M16: 13,681,473 km (0.109 R)
• M17: 15,232,354 km (0.072 R)
• M18: 16,511,267 km (0.108 R)
• M19: 16,953,029 km (0.045 R)
• M20: 17,573,411 km (0.085 R)
• M21: 19,039,919 km (0.09 R)
• M22: 19,710,267 km (0.077 R)
• M23: 22,147,965 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201

Radius: 8.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.68 AU - 3.72 AU

Year: 4669 Days

Day: 8.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,163,819 km

• M1: 111,002 km (0.083 R)
• M2: 468,241 km (0.104 R)
• M3: 1,394,402 km (0.07 R)
• M4: 2,013,438 km (0.061 R)
• M5: 2,421,242 km (0.101 R)
• M6: 2,697,698 km (0.112 R)
• M7: 3,714,066 km (0.108 R)
• M8: 6,343,698 km (0.067 R)
• M9: 6,902,446 km (0.078 R)
• M10: 7,463,288 km (0.1 R)
• M11: 12,965,947 km (0.109 R)
• M12: 14,097,056 km (0.111 R)
• M13: 18,324,542 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.1

Radius: 3.6

Gravity: 33.73 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.03 AU - 9.61 AU

Year: 14346 Days

Day: 20.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,163,819 km

• M1: 44,879 km (0.116 R)
• M2: 276,158 km (0.104 R)
• M3: 934,987 km (0.03 R)
• M4: 1,258,866 km (0.114 R)
• M5: 3,739,348 km (0.075 R)
• M6: 4,481,803 km (0.117 R)
• M7: 5,216,478 km (0.103 R)
• M8: 5,420,529 km (0.081 R)
• M9: 8,030,713 km (0.09 R)
• M10: 10,171,907 km (0.032 R)
• M11: 18,188,109 km (0.113 R)
• M12: 18,421,781 km (0.109 R)
• M13: 18,657,248 km (0.08 R)
• M14: 24,837,136 km (0.085 R)
• M15: 27,403,338 km (0.063 R)
• M16: 29,600,781 km (0.108 R)
• M17: 34,105,921 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.7

Radius: 5.3

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.36 AU - 9.92 AU

Year: 15235 Days

Day: 20.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,163,819 km

• M1: 65,973 km (0.084 R)
• M2: 467,493 km (0.095 R)
• M3: 716,873 km (0.07 R)
• M4: 1,846,786 km (0.115 R)
• M5: 2,103,496 km (0.118 R)
• M6: 4,333,402 km (0.031 R)
• M7: 5,352,612 km (0.11 R)
• M8: 5,651,359 km (0.072 R)
• M9: 6,018,622 km (0.109 R)
• M10: 8,418,770 km (0.062 R)
• M11: 11,083,257 km (0.056 R)
• M12: 12,772,068 km (0.061 R)
• M13: 15,155,012 km (0.119 R)
• M14: 15,479,191 km (0.043 R)
• M15: 17,640,132 km (0.117 R)
• M16: 21,246,189 km (0.118 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: 495 - 19,367 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit