🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.4

Radius: 10.4

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.7 AU - 0.8 AU

Year: 426 Days

Day: 6.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 67.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,001,336 km

• M1: 129,402 km (0.115 R)
• M2: 503,397 km (0.091 R)
• M3: 897,138 km (0.096 R)
• M4: 1,226,104 km (0.094 R)
• M5: 1,579,305 km (0.12 R)
• M6: 2,134,163 km (0.098 R)
• M7: 2,497,985 km (0.066 R)
• M8: 3,011,256 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.7

Radius: 11.9

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1 AU - 1.28 AU

Year: 798 Days

Day: 6.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,001,336 km

• M1: 147,952 km (0.082 R)
• M2: 1,320,800 km (0.066 R)
• M3: 1,785,750 km (0.088 R)
• M4: 2,221,229 km (0.096 R)
• M5: 2,665,535 km (0.086 R)
• M6: 3,054,489 km (0.119 R)
• M7: 5,745,456 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.8

Radius: 9.2

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.21 AU - 1.57 AU

Year: 1075 Days

Day: 8.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,001,336 km

• M1: 114,442 km (0.08 R)
• M2: 454,329 km (0.062 R)
• M3: 740,958 km (0.087 R)
• M4: 1,043,296 km (0.088 R)
• M5: 1,343,838 km (0.041 R)
• M6: 1,649,317 km (0.113 R)
• M7: 2,001,620 km (0.097 R)
• M8: 2,450,563 km (0.106 R)
• M9: 3,401,856 km (0.073 R)
• M10: 4,195,472 km (0.086 R)
• M11: 4,727,891 km (0.077 R)
• M12: 5,548,286 km (0.089 R)
• M13: 6,168,070 km (0.11 R)
• M14: 6,645,287 km (0.097 R)
• M15: 7,520,285 km (0.119 R)
• M16: 8,497,757 km (0.107 R)
• M17: 8,832,258 km (0.112 R)
• M18: 9,262,801 km (0.102 R)
• M19: 9,828,281 km (0.093 R)
• M20: 10,290,838 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.6

Radius: 8

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.35 AU - 2.79 AU

Year: 2703 Days

Day: 5.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,001,336 km

• M1: 99,632 km (0.115 R)
• M2: 375,939 km (0.116 R)
• M3: 1,449,603 km (0.069 R)
• M4: 1,705,565 km (0.113 R)
• M5: 2,135,958 km (0.102 R)
• M6: 2,716,398 km (0.066 R)
• M7: 3,228,920 km (0.116 R)
• M8: 3,638,071 km (0.089 R)
• M9: 4,224,793 km (0.092 R)
• M10: 5,221,115 km (0.045 R)
• M11: 6,294,630 km (0.118 R)
• M12: 6,807,900 km (0.079 R)
• M13: 7,062,067 km (0.119 R)
• M14: 7,779,837 km (0.111 R)
• M15: 8,085,915 km (0.107 R)
• M16: 10,695,350 km (0.109 R)
• M17: 12,987,489 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.2

Radius: 10.6

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.85 AU - 3.15 AU

Year: 3409 Days

Day: 8.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,001,336 km

• M1: 131,796 km (0.042 R)
• M2: 521,349 km (0.046 R)
• M3: 872,156 km (0.074 R)
• M4: 1,266,496 km (0.113 R)
• M5: 1,924,128 km (0.099 R)
• M6: 2,498,135 km (0.114 R)
• M7: 3,840,177 km (0.051 R)
• M8: 4,796,407 km (0.078 R)
• M9: 5,541,105 km (0.114 R)
• M10: 6,053,927 km (0.064 R)
• M11: 6,439,590 km (0.085 R)
• M12: 7,519,537 km (0.112 R)
• M13: 9,242,306 km (0.118 R)
• M14: 10,071,078 km (0.093 R)
• M15: 11,678,956 km (0.1 R)
• M16: 12,116,380 km (0.043 R)
• M17: 12,482,446 km (0.086 R)
• M18: 13,712,290 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.7

Radius: 8.6

Gravity: 13.07 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.37 AU - 3.81 AU

Year: 3563 Days

Day: 13.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,001,336 km

• M1: 106,962 km (0.119 R)
• M2: 381,923 km (0.079 R)
• M3: 1,127,968 km (0.112 R)
• M4: 2,003,115 km (0.046 R)
• M5: 2,778,481 km (0.106 R)
• M6: 4,024,033 km (0.109 R)
• M7: 5,250,736 km (0.119 R)
• M8: 6,008,449 km (0.076 R)
• M9: 8,311,508 km (0.12 R)
• M10: 10,620,850 km (0.076 R)
• M11: 12,684,403 km (0.097 R)
• M12: 17,286,782 km (0.11 R)
• M13: 18,449,457 km (0.053 R)
• M14: 19,081,807 km (0.09 R)
• M15: 19,991,511 km (0.071 R)
• M16: 21,617,640 km (0.053 R)
• M17: 23,184,080 km (0.052 R)
• M18: 24,520,737 km (0.12 R)
• M19: 26,461,619 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.9

Radius: 9.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.56 AU - 4.02 AU

Year: 4840 Days

Day: 8.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 25,001,336 km

• M1: 118,182 km (0.063 R)
• M2: 424,858 km (0.112 R)
• M3: 845,228 km (0.118 R)
• M4: 1,240,765 km (0.09 R)
• M5: 1,651,710 km (0.039 R)
• M6: 2,571,887 km (0.06 R)
• M7: 2,956,952 km (0.061 R)
• M8: 3,361,015 km (0.046 R)
• M9: 4,280,743 km (0.064 R)
• M10: 4,923,116 km (0.114 R)
• M11: 6,459,337 km (0.065 R)
• M12: 7,174,863 km (0.053 R)
• M13: 8,257,054 km (0.088 R)
• M14: 8,653,040 km (0.085 R)
• M15: 9,405,817 km (0.091 R)
• M16: 10,573,877 km (0.09 R)
• M17: 10,912,417 km (0.05 R)
• M18: 12,573,851 km (0.061 R)
• M19: 15,507,614 km (0.051 R)
• M20: 16,787,873 km (0.091 R)
• M21: 18,137,395 km (0.077 R)
• M22: 18,745,960 km (0.04 R)
• M23: 19,494,398 km (0.11 R)
• M24: 19,940,050 km (0.106 R)
• M25: 20,457,658 km (0.062 R)
• M26: 24,189,228 km (0.114 R)
• M27: 24,629,943 km (0.064 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: 271 - 12,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit