🌌 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: 991.9

Radius: 10

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.59 AU - 0.87 AU

Year: 431 Days

Day: 9 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,130,351 km

• M1: 124,465 km (0.108 R)
• M2: 460,911 km (0.104 R)
• M3: 773,122 km (0.118 R)
• M4: 1,092,064 km (0.046 R)
• M5: 1,630,168 km (0.072 R)
• M6: 2,125,786 km (0.047 R)
• M7: 2,709,367 km (0.079 R)
• M8: 3,214,559 km (0.065 R)
• M9: 3,547,115 km (0.053 R)
• M10: 4,040,489 km (0.108 R)
• M11: 4,810,768 km (0.113 R)
• M12: 5,605,881 km (0.078 R)
• M13: 6,108,829 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.2

Radius: 10.3

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.46 AU - 1.54 AU

Year: 1268 Days

Day: 7 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,130,351 km

• M1: 128,056 km (0.081 R)
• M2: 522,545 km (0.066 R)
• M3: 903,122 km (0.075 R)
• M4: 1,534,425 km (0.101 R)
• M5: 2,169,319 km (0.077 R)
• M6: 2,608,837 km (0.07 R)
• M7: 4,181,709 km (0.116 R)
• M8: 5,711,946 km (0.085 R)
• M9: 6,440,936 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.2

Radius: 11.1

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.74 AU - 2.7 AU

Year: 2283 Days

Day: 6.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,130,351 km

• M1: 138,228 km (0.082 R)
• M2: 562,787 km (0.116 R)
• M3: 1,337,854 km (0.079 R)
• M4: 1,878,052 km (0.082 R)
• M5: 2,424,533 km (0.11 R)
• M6: 2,816,629 km (0.065 R)
• M7: 3,820,430 km (0.044 R)
• M8: 4,354,794 km (0.105 R)
• M9: 4,916,833 km (0.105 R)
• M10: 5,813,523 km (0.112 R)
• M11: 7,007,613 km (0.047 R)
• M12: 8,265,282 km (0.065 R)
• M13: 8,705,549 km (0.112 R)
• M14: 10,121,493 km (0.071 R)
• M15: 10,810,241 km (0.104 R)
• M16: 11,568,553 km (0.114 R)
• M17: 12,730,928 km (0.093 R)
• M18: 13,149,204 km (0.112 R)
• M19: 14,235,285 km (0.115 R)
• M20: 16,193,222 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619

Radius: 13.1

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.07 AU - 3.09 AU

Year: 2860 Days

Day: 14.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,130,351 km

• M1: 163,211 km (0.087 R)
• M2: 573,409 km (0.045 R)
• M3: 1,738,477 km (0.119 R)
• M4: 2,481,978 km (0.037 R)
• M5: 2,904,592 km (0.097 R)
• M6: 3,393,329 km (0.12 R)
• M7: 4,016,404 km (0.036 R)
• M8: 4,516,509 km (0.111 R)
• M9: 5,492,785 km (0.043 R)
• M10: 7,457,155 km (0.057 R)
• M11: 11,287,010 km (0.071 R)
• M12: 12,075,241 km (0.112 R)
• M13: 14,136,251 km (0.107 R)
• M14: 14,613,767 km (0.116 R)
• M15: 15,300,122 km (0.111 R)
• M16: 17,110,705 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.7

Radius: 5.3

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.02 AU - 8.1 AU

Year: 11598 Days

Day: 21.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,130,351 km

• M1: 65,973 km (0.1 R)
• M2: 393,891 km (0.11 R)
• M3: 771,327 km (0.116 R)
• M4: 1,002,156 km (0.045 R)
• M5: 1,678,638 km (0.074 R)
• M6: 2,604,349 km (0.074 R)
• M7: 3,785,724 km (0.095 R)
• M8: 4,147,003 km (0.076 R)
• M9: 4,506,187 km (0.083 R)
• M10: 4,911,896 km (0.114 R)
• M11: 5,204,660 km (0.098 R)
• M12: 5,737,826 km (0.104 R)
• M13: 6,002,764 km (0.044 R)
• M14: 6,620,753 km (0.038 R)
• M15: 8,018,595 km (0.108 R)
• M16: 12,278,993 km (0.103 R)
• M17: 14,209,404 km (0.09 R)
• M18: 21,267,731 km (0.117 R)
• M19: 22,045,041 km (0.079 R)
• M20: 24,798,839 km (0.099 R)
• M21: 25,265,884 km (0.045 R)
• M22: 26,298,109 km (0.051 R)
• M23: 27,358,159 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.1

Radius: 5.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.78 AU - 7 AU

Year: 12484 Days

Day: 20.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,130,351 km

• M1: 300,692 km (0.114 R)
• M2: 874,100 km (0.077 R)
• M3: 1,653,954 km (0.082 R)
• M4: 4,358,384 km (0.106 R)
• M5: 6,479,383 km (0.038 R)
• M6: 6,685,230 km (0.104 R)
• M7: 7,552,897 km (0.066 R)
• M8: 10,651,668 km (0.083 R)
• M9: 10,842,554 km (0.102 R)
• M10: 13,041,344 km (0.079 R)
• M11: 17,033,214 km (0.088 R)
• M12: 18,297,914 km (0.082 R)
• M13: 22,000,461 km (0.118 R)
• M14: 23,337,866 km (0.077 R)
• M15: 23,660,250 km (0.114 R)
• M16: 27,226,663 km (0.094 R)
• M17: 34,561,596 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.2

Radius: 5.2

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.58 AU - 11.82 AU

Year: 20853 Days

Day: 23 Hours

Environment

Temp: -242 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,130,351 km

• M1: 381,624 km (0.112 R)
• M2: 562,189 km (0.072 R)
• M3: 2,304,555 km (0.096 R)
• M4: 3,540,533 km (0.078 R)
• M5: 3,721,247 km (0.06 R)
• M6: 3,962,548 km (0.1 R)
• M7: 7,774,302 km (0.12 R)
• M8: 12,763,092 km (0.101 R)
• M9: 15,122,550 km (0.12 R)
• M10: 17,090,360 km (0.077 R)
• M11: 18,829,585 km (0.078 R)
• M12: 39,432,802 km (0.05 R)
• M13: 40,465,326 km (0.08 R)
• M14: 44,221,280 km (0.12 R)
• M15: 48,496,339 km (0.082 R)
• M16: 49,681,154 km (0.101 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 13,003 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit