🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.1

Radius: 8.7

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.54 AU - 0.82 AU

Year: 357 Days

Day: 7.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,537,890 km

• M1: 108,159 km (0.041 R)
• M2: 460,163 km (0.111 R)
• M3: 808,576 km (0.12 R)
• M4: 1,290,581 km (0.102 R)
• M5: 1,884,036 km (0.062 R)
• M6: 2,493,049 km (0.072 R)
• M7: 2,829,943 km (0.104 R)
• M8: 3,563,122 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.2

Radius: 13.2

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.59 AU - 1.77 AU

Year: 1385 Days

Day: 8.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,537,890 km

• M1: 164,258 km (0.089 R)
• M2: 589,416 km (0.1 R)
• M3: 1,122,582 km (0.113 R)
• M4: 1,558,810 km (0.117 R)
• M5: 2,155,556 km (0.099 R)
• M6: 2,697,100 km (0.099 R)
• M7: 3,485,930 km (0.116 R)
• M8: 4,111,398 km (0.086 R)
• M9: 4,537,303 km (0.053 R)
• M10: 5,812,775 km (0.109 R)
• M11: 6,695,552 km (0.116 R)
• M12: 7,720,896 km (0.029 R)
• M13: 8,199,609 km (0.107 R)
• M14: 8,697,919 km (0.081 R)
• M15: 9,723,413 km (0.113 R)
• M16: 10,932,463 km (0.074 R)
• M17: 13,405,764 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.2

Radius: 12.9

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.02 AU - 3.08 AU

Year: 2589 Days

Day: 11.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,537,890 km

• M1: 160,668 km (0.055 R)
• M2: 648,956 km (0.032 R)
• M3: 1,408,165 km (0.06 R)
• M4: 4,463,252 km (0.101 R)
• M5: 5,266,892 km (0.108 R)
• M6: 6,072,926 km (0.101 R)
• M7: 8,068,711 km (0.113 R)
• M8: 8,695,077 km (0.085 R)
• M9: 12,699,662 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.8

Radius: 7.8

Gravity: 16.14 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.42 AU - 6.74 AU

Year: 10732 Days

Day: 20.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,537,890 km

• M1: 97,239 km (0.075 R)
• M2: 394,938 km (0.11 R)
• M3: 690,993 km (0.1 R)
• M4: 2,110,826 km (0.085 R)
• M5: 2,480,333 km (0.088 R)
• M6: 3,743,537 km (0.091 R)
• M7: 7,208,523 km (0.088 R)
• M8: 8,280,242 km (0.117 R)
• M9: 10,680,690 km (0.069 R)
• M10: 13,509,885 km (0.108 R)
• M11: 33,496,010 km (0.043 R)
• M12: 36,952,768 km (0.036 R)
• M13: 37,852,749 km (0.114 R)
• M14: 43,561,554 km (0.107 R)
• M15: 43,990,002 km (0.108 R)
• M16: 45,146,244 km (0.069 R)
• M17: 45,731,919 km (0.063 R)
• M18: 55,302,593 km (0.067 R)
• M19: 55,637,243 km (0.12 R)
• M20: 55,973,091 km (0.054 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770

Radius: 5.7

Gravity: 23.7 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 10.23 AU - 10.31 AU

Year: 20926 Days

Day: 21.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,537,890 km

• M1: 70,909 km (0.101 R)
• M2: 334,950 km (0.063 R)
• M3: 647,460 km (0.045 R)
• M4: 1,114,654 km (0.107 R)
• M5: 1,552,826 km (0.087 R)
• M6: 1,976,637 km (0.114 R)
• M7: 2,337,168 km (0.092 R)
• M8: 3,272,902 km (0.082 R)
• M9: 3,871,742 km (0.099 R)
• M10: 4,792,817 km (0.098 R)
• M11: 5,482,762 km (0.078 R)
• M12: 6,149,819 km (0.052 R)
• M13: 8,314,949 km (0.112 R)
• M14: 8,583,178 km (0.083 R)
• M15: 8,801,890 km (0.041 R)
• M16: 9,364,976 km (0.101 R)
• M17: 10,072,125 km (0.056 R)
• M18: 11,005,167 km (0.107 R)
• M19: 12,970,435 km (0.064 R)
• M20: 14,764,412 km (0.05 R)
• M21: 15,397,510 km (0.116 R)
• M22: 17,579,994 km (0.108 R)
• M23: 19,486,768 km (0.057 R)
• M24: 22,237,873 km (0.041 R)
• M25: 23,174,356 km (0.097 R)
• M26: 23,920,700 km (0.058 R)
• M27: 27,656,308 km (0.113 R)
• M28: 30,987,853 km (0.046 R)
• M29: 32,683,395 km (0.1 R)
• M30: 46,484,546 km (0.076 R)
• M31: 55,022,546 km (0.026 R)
• M32: 59,065,278 km (0.105 R)
• M33: 63,715,379 km (0.077 R)
• M34: 65,599,414 km (0.088 R)
• M35: 71,474,123 km (0.095 R)
• M36: 72,825,440 km (0.087 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: 333 - 13,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit