🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.5

Radius: 13.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.67 AU - 0.93 AU

Year: 494 Days

Day: 9.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 89,443,418 km

• M1: 173,833 km (0.111 R)
• M2: 733,179 km (0.115 R)
• M3: 1,176,138 km (0.103 R)
• M4: 2,043,357 km (0.119 R)
• M5: 2,818,723 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600

Radius: 11.3

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.75 AU - 1.09 AU

Year: 609 Days

Day: 8.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,443,418 km

• M1: 140,472 km (0.095 R)
• M2: 553,363 km (0.117 R)
• M3: 1,285,794 km (0.117 R)
• M4: 1,651,261 km (0.104 R)
• M5: 2,456,696 km (0.112 R)
• M6: 3,330,049 km (0.039 R)
• M7: 4,019,994 km (0.066 R)
• M8: 4,459,812 km (0.062 R)
• M9: 5,542,003 km (0.049 R)
• M10: 5,976,285 km (0.1 R)
• M11: 6,995,944 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.7

Radius: 14.9

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.78 AU - 1.24 AU

Year: 701 Days

Day: 14.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,443,418 km

• M1: 185,352 km (0.085 R)
• M2: 717,322 km (0.118 R)
• M3: 1,233,285 km (0.085 R)
• M4: 1,864,289 km (0.105 R)
• M5: 2,561,714 km (0.065 R)
• M6: 3,518,841 km (0.108 R)
• M7: 4,750,929 km (0.065 R)
• M8: 5,608,125 km (0.1 R)
• M9: 6,140,245 km (0.052 R)
• M10: 7,012,400 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.5

Radius: 11.9

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.31 AU - 1.41 AU

Year: 1095 Days

Day: 13.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,443,418 km

• M1: 147,952 km (0.098 R)
• M2: 560,543 km (0.116 R)
• M3: 982,409 km (0.106 R)
• M4: 1,596,808 km (0.119 R)
• M5: 2,258,479 km (0.116 R)
• M6: 2,998,390 km (0.098 R)
• M7: 4,431,239 km (0.108 R)
• M8: 4,900,377 km (0.091 R)
• M9: 5,807,389 km (0.047 R)
• M10: 7,271,055 km (0.111 R)
• M11: 7,926,144 km (0.076 R)
• M12: 9,204,308 km (0.074 R)
• M13: 9,721,468 km (0.092 R)
• M14: 10,225,762 km (0.114 R)
• M15: 11,950,775 km (0.069 R)

Asteroid Belt

Center: 2.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.7

Radius: 12.4

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.02 AU - 3.18 AU

Year: 3768 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,443,418 km

• M1: 155,133 km (0.115 R)
• M2: 878,738 km (0.071 R)
• M3: 1,532,630 km (0.108 R)
• M4: 1,937,592 km (0.108 R)
• M5: 2,510,252 km (0.095 R)
• M6: 3,155,917 km (0.096 R)
• M7: 3,888,198 km (0.071 R)
• M8: 4,461,158 km (0.114 R)
• M9: 5,950,854 km (0.084 R)
• M10: 7,235,899 km (0.109 R)
• M11: 7,820,079 km (0.036 R)
• M12: 8,361,324 km (0.093 R)
• M13: 9,681,525 km (0.106 R)
• M14: 11,361,809 km (0.094 R)
• M15: 11,962,893 km (0.086 R)
• M16: 13,028,479 km (0.03 R)
• M17: 14,103,638 km (0.111 R)
• M18: 14,689,913 km (0.11 R)
• M19: 15,347,994 km (0.094 R)
• M20: 16,198,308 km (0.094 R)
• M21: 16,605,663 km (0.11 R)
• M22: 17,199,566 km (0.111 R)
• M23: 20,451,375 km (0.033 R)
• M24: 22,115,053 km (0.067 R)
• M25: 22,689,210 km (0.112 R)
• M26: 23,126,185 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.2

Radius: 4.5

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.15 AU - 7.55 AU

Year: 12375 Days

Day: 15 Hours

Environment

Temp: -240 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,443,418 km

• M1: 62,831 km (0.05 R)
• M2: 342,729 km (0.04 R)
• M3: 853,755 km (0.062 R)
• M4: 2,152,115 km (0.06 R)
• M5: 3,656,770 km (0.115 R)
• M6: 6,132,765 km (0.075 R)
• M7: 9,911,757 km (0.111 R)
• M8: 13,467,698 km (0.113 R)
• M9: 14,837,715 km (0.12 R)
• M10: 18,223,564 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.6

Radius: 6.3

Gravity: 23.75 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.83 AU - 10.11 AU

Year: 21730 Days

Day: 17.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,443,418 km

• M1: 80,484 km (0.096 R)
• M2: 318,344 km (0.104 R)
• M3: 691,292 km (0.095 R)
• M4: 1,137,542 km (0.083 R)
• M5: 1,798,466 km (0.099 R)
• M6: 2,125,337 km (0.054 R)
• M7: 2,952,164 km (0.097 R)
• M8: 3,498,645 km (0.065 R)
• M9: 3,975,863 km (0.105 R)
• M10: 4,715,923 km (0.045 R)
• M11: 4,982,058 km (0.094 R)
• M12: 6,059,013 km (0.092 R)
• M13: 6,890,179 km (0.082 R)
• M14: 7,333,288 km (0.088 R)
• M15: 9,238,566 km (0.066 R)
• M16: 9,961,423 km (0.092 R)
• M17: 10,400,194 km (0.041 R)
• M18: 12,284,828 km (0.099 R)
• M19: 13,458,273 km (0.04 R)
• M20: 14,072,073 km (0.104 R)
• M21: 14,704,424 km (0.114 R)
• M22: 20,462,446 km (0.076 R)
• M23: 21,171,091 km (0.085 R)
• M24: 23,946,879 km (0.101 R)
• M25: 25,653,791 km (0.106 R)
• M26: 26,122,331 km (0.089 R)
• M27: 33,294,951 km (0.06 R)
• M28: 41,676,321 km (0.109 R)
• M29: 54,573,154 km (0.107 R)
• M30: 60,357,355 km (0.046 R)
• M31: 62,865,812 km (0.049 R)
• M32: 73,359,953 km (0.099 R)
• M33: 74,540,729 km (0.084 R)
• M34: 82,398,507 km (0.104 R)
• M35: 84,962,914 km (0.071 R)
• M36: 86,526,660 km (0.04 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: 214 - 14,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit