🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.5

Radius: 10.8

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.6 AU - 0.66 AU

Year: 351 Days

Day: 13.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 90.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,214,115 km

• M1: 134,339 km (0.119 R)
• M2: 510,428 km (0.117 R)
• M3: 896,091 km (0.117 R)
• M4: 1,275,471 km (0.118 R)
• M5: 1,622,090 km (0.103 R)
• M6: 2,000,423 km (0.106 R)
• M7: 2,456,547 km (0.088 R)
• M8: 3,220,842 km (0.117 R)
• M9: 3,616,379 km (0.065 R)
• M10: 4,203,401 km (0.098 R)
• M11: 4,720,710 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.3

Radius: 9.8

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.53 AU - 0.89 AU

Year: 421 Days

Day: 11 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,214,115 km

• M1: 122,072 km (0.082 R)
• M2: 521,498 km (0.094 R)
• M3: 1,114,355 km (0.08 R)
• M4: 1,799,064 km (0.053 R)
• M5: 2,547,353 km (0.07 R)
• M6: 2,948,424 km (0.082 R)
• M7: 3,851,846 km (0.078 R)
• M8: 4,181,560 km (0.058 R)
• M9: 4,820,043 km (0.051 R)
• M10: 5,154,694 km (0.1 R)
• M11: 5,677,239 km (0.09 R)
• M12: 6,105,837 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.7

Radius: 10.1

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.23 AU - 1.95 AU

Year: 1409 Days

Day: 7.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,214,115 km

• M1: 126,410 km (0.104 R)
• M2: 449,392 km (0.115 R)
• M3: 766,240 km (0.108 R)
• M4: 1,289,683 km (0.117 R)
• M5: 1,663,379 km (0.115 R)
• M6: 2,386,684 km (0.091 R)
• M7: 2,743,775 km (0.111 R)
• M8: 3,291,602 km (0.066 R)
• M9: 3,617,127 km (0.087 R)
• M10: 4,258,154 km (0.053 R)
• M11: 5,142,427 km (0.073 R)
• M12: 6,717,842 km (0.077 R)
• M13: 7,217,948 km (0.077 R)
• M14: 7,686,339 km (0.102 R)
• M15: 8,837,793 km (0.115 R)
• M16: 9,932,401 km (0.083 R)
• M17: 11,223,580 km (0.054 R)
• M18: 12,980,906 km (0.092 R)
• M19: 13,386,017 km (0.072 R)
• M20: 13,967,355 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.6

Radius: 14.4

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.33 AU - 2.03 AU

Year: 1531 Days

Day: 6 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,214,115 km

• M1: 179,218 km (0.081 R)
• M2: 640,129 km (0.07 R)
• M3: 1,090,718 km (0.097 R)
• M4: 1,909,467 km (0.059 R)
• M5: 2,366,638 km (0.084 R)
• M6: 2,839,966 km (0.095 R)
• M7: 5,668,263 km (0.11 R)
• M8: 6,445,723 km (0.116 R)
• M9: 6,903,044 km (0.061 R)
• M10: 8,071,404 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.8

Radius: 14.3

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.65 AU - 1.85 AU

Year: 1627 Days

Day: 12.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,214,115 km

• M1: 177,872 km (0.109 R)
• M2: 658,679 km (0.077 R)
• M3: 1,116,898 km (0.119 R)
• M4: 1,626,727 km (0.117 R)
• M5: 2,097,362 km (0.096 R)
• M6: 2,935,858 km (0.093 R)
• M7: 3,848,704 km (0.085 R)
• M8: 4,372,447 km (0.102 R)
• M9: 5,699,529 km (0.091 R)
• M10: 6,937,601 km (0.067 R)
• M11: 7,579,376 km (0.099 R)
• M12: 8,920,371 km (0.112 R)
• M13: 9,422,123 km (0.077 R)
• M14: 10,009,294 km (0.113 R)
• M15: 10,620,701 km (0.034 R)
• M16: 13,727,998 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.9

Radius: 12.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.19 AU - 2.51 AU

Year: 2532 Days

Day: 9.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,214,115 km

• M1: 155,432 km (0.093 R)
• M2: 669,750 km (0.096 R)
• M3: 1,109,268 km (0.05 R)
• M4: 1,649,167 km (0.075 R)
• M5: 3,495,803 km (0.118 R)
• M6: 4,139,074 km (0.05 R)
• M7: 4,597,591 km (0.075 R)
• M8: 5,089,918 km (0.092 R)
• M9: 6,084,594 km (0.105 R)
• M10: 7,367,695 km (0.112 R)
• M11: 10,428,767 km (0.087 R)
• M12: 10,956,997 km (0.109 R)
• M13: 12,610,353 km (0.08 R)
• M14: 14,209,853 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763

Radius: 9.8

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.91 AU - 5.83 AU

Year: 7554 Days

Day: 13.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,214,115 km

• M1: 122,820 km (0.085 R)
• M2: 445,652 km (0.069 R)
• M3: 1,287,738 km (0.1 R)
• M4: 2,169,768 km (0.115 R)
• M5: 3,101,613 km (0.11 R)
• M6: 4,470,433 km (0.046 R)
• M7: 7,223,034 km (0.119 R)
• M8: 8,015,753 km (0.084 R)
• M9: 15,016,485 km (0.093 R)
• M10: 16,706,043 km (0.042 R)
• M11: 19,772,650 km (0.065 R)
• M12: 24,045,015 km (0.058 R)
• M13: 28,220,591 km (0.109 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: 491 - 20,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit