🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.1

Radius: 13.3

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.48 AU - 0.56 AU

Year: 264 Days

Day: 5.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 24,114,069 km

• M1: 166,951 km (0.106 R)
• M2: 756,367 km (0.075 R)
• M3: 1,265,299 km (0.091 R)
• M4: 1,834,369 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.9

Radius: 9.7

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.52 AU - 0.62 AU

Year: 302 Days

Day: 7.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,114,069 km

• M1: 120,725 km (0.055 R)
• M2: 480,508 km (0.094 R)
• M3: 797,805 km (0.087 R)
• M4: 1,190,949 km (0.111 R)
• M5: 1,523,206 km (0.101 R)
• M6: 2,289,745 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.4

Radius: 8.2

Gravity: 11.04 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.54 AU - 0.64 AU

Year: 319 Days

Day: 8.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,114,069 km

• M1: 102,026 km (0.055 R)
• M2: 476,619 km (0.086 R)
• M3: 756,217 km (0.11 R)
• M4: 1,127,818 km (0.114 R)
• M5: 1,714,691 km (0.089 R)
• M6: 2,375,165 km (0.098 R)
• M7: 2,763,970 km (0.094 R)
• M8: 3,067,355 km (0.096 R)
• M9: 3,438,058 km (0.101 R)
• M10: 3,717,657 km (0.072 R)
• M11: 4,139,672 km (0.11 R)
• M12: 4,634,841 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.1

Radius: 9.3

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.49 AU - 0.81 AU

Year: 368 Days

Day: 11.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,114,069 km

• M1: 115,789 km (0.099 R)
• M2: 508,334 km (0.109 R)
• M3: 945,459 km (0.06 R)
• M4: 1,371,513 km (0.113 R)
• M5: 1,675,047 km (0.098 R)
• M6: 2,223,324 km (0.088 R)
• M7: 2,532,542 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.8

Radius: 12.1

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.6 AU - 0.8 AU

Year: 412 Days

Day: 5.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,114,069 km

• M1: 150,495 km (0.087 R)
• M2: 534,364 km (0.109 R)
• M3: 1,003,503 km (0.119 R)
• M4: 1,472,043 km (0.064 R)
• M5: 2,464,475 km (0.059 R)
• M6: 3,290,704 km (0.103 R)
• M7: 3,965,092 km (0.09 R)
• M8: 4,464,449 km (0.105 R)
• M9: 5,036,960 km (0.082 R)
• M10: 5,456,582 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.5

Radius: 14

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.56 AU - 1.72 AU

Year: 1476 Days

Day: 11.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,114,069 km

• M1: 174,132 km (0.088 R)
• M2: 757,713 km (0.094 R)
• M3: 1,766,452 km (0.109 R)
• M4: 2,227,811 km (0.067 R)
• M5: 3,108,494 km (0.105 R)
• M6: 3,667,990 km (0.041 R)
• M7: 4,571,861 km (0.106 R)
• M8: 5,318,952 km (0.104 R)
• M9: 6,343,847 km (0.101 R)
• M10: 7,979,401 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.2

Radius: 9.5

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.93 AU - 2.51 AU

Year: 2325 Days

Day: 13.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,114,069 km

• M1: 118,332 km (0.062 R)
• M2: 517,010 km (0.117 R)
• M3: 834,307 km (0.09 R)
• M4: 1,551,031 km (0.118 R)
• M5: 2,473,152 km (0.111 R)
• M6: 2,951,566 km (0.08 R)
• M7: 5,807,539 km (0.117 R)
• M8: 6,611,029 km (0.109 R)
• M9: 6,925,185 km (0.091 R)
• M10: 9,581,295 km (0.061 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.7

Radius: 10

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.28 AU - 3.72 AU

Year: 4603 Days

Day: 14.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 86.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,114,069 km

• M1: 125,363 km (0.118 R)
• M2: 575,802 km (0.078 R)
• M3: 1,109,418 km (0.037 R)
• M4: 1,580,502 km (0.12 R)
• M5: 2,567,698 km (0.077 R)
• M6: 3,595,734 km (0.091 R)
• M7: 4,292,412 km (0.118 R)
• M8: 5,814,121 km (0.111 R)
• M9: 8,247,480 km (0.031 R)
• M10: 9,228,543 km (0.06 R)
• M11: 10,906,732 km (0.096 R)
• M12: 12,732,275 km (0.115 R)
• M13: 13,497,169 km (0.082 R)
• M14: 13,841,393 km (0.038 R)
• M15: 14,805,103 km (0.049 R)
• M16: 17,438,624 km (0.051 R)
• M17: 19,483,028 km (0.092 R)
• M18: 20,953,426 km (0.105 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 13,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit