🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.7

Radius: 10.2

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.54 AU - 0.68 AU

Year: 318 Days

Day: 8.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,585,150 km

• M1: 126,859 km (0.11 R)
• M2: 496,964 km (0.119 R)
• M3: 853,456 km (0.058 R)
• M4: 1,232,387 km (0.111 R)
• M5: 1,730,698 km (0.063 R)
• M6: 2,095,866 km (0.052 R)
• M7: 2,423,336 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.2

Radius: 15

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.29 AU - 1.39 AU

Year: 1034 Days

Day: 7 Hours

Environment

Temp: -185 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,585,150 km

• M1: 188,194 km (0.05 R)
• M2: 667,954 km (0.036 R)
• M3: 1,263,803 km (0.119 R)
• M4: 1,830,031 km (0.113 R)
• M5: 2,449,815 km (0.07 R)
• M6: 3,675,021 km (0.057 R)
• M7: 4,620,330 km (0.096 R)
• M8: 5,497,123 km (0.116 R)
• M9: 6,018,771 km (0.074 R)
• M10: 8,832,408 km (0.107 R)
• M11: 9,462,664 km (0.066 R)
• M12: 10,092,172 km (0.11 R)
• M13: 10,813,682 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.3

Radius: 10.6

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.1 AU - 1.74 AU

Year: 1128 Days

Day: 11.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,585,150 km

• M1: 131,796 km (0.077 R)
• M2: 588,668 km (0.086 R)
• M3: 1,274,424 km (0.028 R)
• M4: 1,693,747 km (0.119 R)
• M5: 2,519,079 km (0.09 R)
• M6: 2,851,635 km (0.092 R)
• M7: 3,552,650 km (0.091 R)
• M8: 3,929,936 km (0.077 R)
• M9: 4,781,896 km (0.079 R)
• M10: 5,314,016 km (0.102 R)
• M11: 6,295,078 km (0.032 R)
• M12: 6,807,900 km (0.092 R)
• M13: 7,415,118 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.3

Radius: 13.4

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.34 AU - 2.4 AU

Year: 2433 Days

Day: 6.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,585,150 km

• M1: 167,550 km (0.084 R)
• M2: 655,388 km (0.049 R)
• M3: 1,209,200 km (0.036 R)
• M4: 3,451,971 km (0.097 R)
• M5: 4,811,816 km (0.102 R)
• M6: 6,101,499 km (0.116 R)
• M7: 7,919,113 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.8

Radius: 11.7

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.96 AU - 2.9 AU

Year: 2526 Days

Day: 8.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,585,150 km

• M1: 145,858 km (0.072 R)
• M2: 694,284 km (0.088 R)
• M3: 1,230,891 km (0.107 R)
• M4: 3,099,668 km (0.096 R)
• M5: 3,575,539 km (0.092 R)
• M6: 4,214,172 km (0.032 R)
• M7: 6,373,916 km (0.057 R)
• M8: 8,085,765 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568

Radius: 12

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.6 AU - 5.86 AU

Year: 9147 Days

Day: 13.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,585,150 km

• M1: 149,299 km (0.113 R)
• M2: 801,994 km (0.092 R)
• M3: 1,202,019 km (0.092 R)
• M4: 1,668,764 km (0.114 R)
• M5: 2,073,127 km (0.055 R)
• M6: 2,835,029 km (0.097 R)
• M7: 3,418,012 km (0.118 R)
• M8: 5,891,164 km (0.105 R)
• M9: 6,515,735 km (0.119 R)
• M10: 8,314,051 km (0.09 R)
• M11: 13,621,036 km (0.077 R)
• M12: 19,079,114 km (0.117 R)
• M13: 19,528,057 km (0.11 R)
• M14: 20,137,519 km (0.04 R)
• M15: 21,798,055 km (0.045 R)
• M16: 22,954,596 km (0.062 R)
• M17: 31,594,023 km (0.094 R)
• M18: 32,012,299 km (0.091 R)
• M19: 36,172,915 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.3

Radius: 6

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.09 AU - 6.13 AU

Year: 10071 Days

Day: 21.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 78.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,585,150 km

• M1: 111,301 km (0.065 R)
• M2: 367,562 km (0.061 R)
• M3: 719,715 km (0.081 R)
• M4: 1,082,640 km (0.113 R)
• M5: 1,357,152 km (0.11 R)
• M6: 1,625,082 km (0.093 R)
• M7: 1,942,528 km (0.103 R)
• M8: 2,813,936 km (0.082 R)
• M9: 4,572,309 km (0.111 R)
• M10: 7,755,902 km (0.1 R)
• M11: 11,766,920 km (0.041 R)
• M12: 12,739,306 km (0.091 R)
• M13: 13,057,351 km (0.085 R)
• M14: 16,161,357 km (0.084 R)
• M15: 18,823,002 km (0.094 R)
• M16: 21,913,844 km (0.047 R)
• M17: 24,018,537 km (0.07 R)
• M18: 27,466,169 km (0.112 R)
• M19: 30,188,252 km (0.102 R)
• M20: 32,099,664 km (0.074 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 10,825 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit