🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.7

Radius: 13.1

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.84 AU - 1.34 AU

Year: 759 Days

Day: 7.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,036,041 km

• M1: 162,912 km (0.053 R)
• M2: 966,851 km (0.117 R)
• M3: 1,580,801 km (0.077 R)
• M4: 2,457,444 km (0.115 R)
• M5: 3,103,707 km (0.031 R)
• M6: 3,818,486 km (0.101 R)
• M7: 4,369,604 km (0.064 R)
• M8: 5,394,798 km (0.061 R)
• M9: 6,390,073 km (0.032 R)
• M10: 6,974,851 km (0.028 R)
• M11: 7,732,714 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.6

Radius: 10.1

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.01 AU - 1.43 AU

Year: 899 Days

Day: 5.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,036,041 km

• M1: 128,056 km (0.109 R)
• M2: 625,020 km (0.079 R)
• M3: 1,083,388 km (0.115 R)
• M4: 1,430,604 km (0.104 R)
• M5: 2,131,171 km (0.05 R)
• M6: 3,059,426 km (0.058 R)
• M7: 3,451,971 km (0.117 R)
• M8: 4,799,698 km (0.11 R)
• M9: 5,137,490 km (0.054 R)
• M10: 6,073,674 km (0.055 R)
• M11: 7,000,582 km (0.094 R)
• M12: 7,337,776 km (0.082 R)
• M13: 8,797,103 km (0.099 R)
• M14: 9,420,328 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.7

Radius: 13.3

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.32 AU - 1.6 AU

Year: 1176 Days

Day: 6.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,036,041 km

• M1: 165,455 km (0.113 R)
• M2: 707,448 km (0.115 R)
• M3: 1,122,582 km (0.092 R)
• M4: 1,664,875 km (0.104 R)
• M5: 2,403,739 km (0.119 R)
• M6: 3,087,401 km (0.076 R)
• M7: 3,602,766 km (0.095 R)
• M8: 4,158,671 km (0.075 R)
• M9: 4,626,314 km (0.106 R)
• M10: 5,265,396 km (0.039 R)
• M11: 5,898,794 km (0.079 R)
• M12: 6,884,793 km (0.055 R)
• M13: 7,745,280 km (0.088 R)
• M14: 8,593,650 km (0.07 R)
• M15: 10,042,206 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.5

Radius: 11.2

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.61 AU - 2.13 AU

Year: 1705 Days

Day: 9.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,036,041 km

• M1: 139,425 km (0.086 R)
• M2: 741,108 km (0.118 R)
• M3: 1,128,118 km (0.075 R)
• M4: 1,479,074 km (0.108 R)
• M5: 2,474,798 km (0.094 R)
• M6: 3,066,607 km (0.119 R)
• M7: 3,941,306 km (0.073 R)
• M8: 4,811,217 km (0.105 R)
• M9: 5,313,716 km (0.08 R)
• M10: 5,897,298 km (0.09 R)
• M11: 7,139,708 km (0.08 R)
• M12: 9,351,363 km (0.075 R)
• M13: 9,771,135 km (0.029 R)
• M14: 10,648,227 km (0.068 R)
• M15: 13,311,219 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.7

Radius: 13.7

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.44 AU - 3.18 AU

Year: 3141 Days

Day: 13.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 120.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,036,041 km

• M1: 175,777 km (0.075 R)
• M2: 800,349 km (0.079 R)
• M3: 1,576,014 km (0.035 R)
• M4: 2,270,447 km (0.072 R)
• M5: 2,862,106 km (0.081 R)
• M6: 4,379,178 km (0.118 R)
• M7: 6,014,582 km (0.073 R)
• M8: 6,760,926 km (0.079 R)
• M9: 9,620,190 km (0.054 R)
• M10: 10,755,937 km (0.099 R)
• M11: 13,425,511 km (0.103 R)
• M12: 17,231,281 km (0.109 R)

Asteroid Belt

Center: 3.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41

Radius: 12.6

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.09 AU - 4.52 AU

Year: 5946 Days

Day: 12.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,036,041 km

• M1: 157,227 km (0.092 R)
• M2: 578,046 km (0.1 R)
• M3: 1,342,641 km (0.068 R)
• M4: 3,072,441 km (0.109 R)
• M5: 3,559,083 km (0.115 R)
• M6: 5,508,942 km (0.026 R)
• M7: 6,114,663 km (0.107 R)
• M8: 8,117,779 km (0.099 R)
• M9: 9,085,079 km (0.119 R)
• M10: 10,127,626 km (0.114 R)
• M11: 11,178,102 km (0.109 R)
• M12: 12,715,669 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.4

Radius: 6.4

Gravity: 21.45 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 9.4 AU - 10.46 AU

Year: 20867 Days

Day: 18.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,036,041 km

• M1: 81,531 km (0.047 R)
• M2: 800,797 km (0.072 R)
• M3: 1,060,200 km (0.118 R)
• M4: 1,471,744 km (0.063 R)
• M5: 2,419,596 km (0.113 R)
• M6: 2,969,219 km (0.09 R)
• M7: 3,188,529 km (0.081 R)
• M8: 3,478,001 km (0.095 R)
• M9: 3,977,658 km (0.07 R)
• M10: 5,476,180 km (0.111 R)
• M11: 6,329,037 km (0.091 R)
• M12: 9,711,894 km (0.118 R)
• M13: 16,399,667 km (0.093 R)
• M14: 16,655,629 km (0.101 R)
• M15: 40,706,777 km (0.082 R)
• M16: 46,579,990 km (0.118 R)
• M17: 50,794,162 km (0.114 R)
• M18: 58,967,441 km (0.082 R)
• M19: 65,589,092 km (0.118 R)
• M20: 76,424,167 km (0.08 R)
• M21: 81,023,104 km (0.081 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 15,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit