🌌 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: 292.1

Radius: 14.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.4 AU - 0.64 AU

Year: 259 Days

Day: 9.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 12,867,613 km

• M1: 184,005 km (0.057 R)
• M2: 647,011 km (0.082 R)
• M3: 1,364,482 km (0.113 R)
• M4: 2,022,713 km (0.108 R)
• M5: 2,498,883 km (0.109 R)
• M6: 2,965,030 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.6

Radius: 13.9

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.93 AU - 0.97 AU

Year: 639 Days

Day: 12.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,867,613 km

• M1: 172,935 km (0.093 R)
• M2: 650,751 km (0.097 R)
• M3: 1,091,167 km (0.114 R)
• M4: 1,609,523 km (0.112 R)
• M5: 2,189,514 km (0.044 R)
• M6: 2,694,706 km (0.074 R)
• M7: 3,606,505 km (0.097 R)
• M8: 4,168,545 km (0.083 R)
• M9: 4,833,208 km (0.05 R)
• M10: 5,405,420 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.9

Radius: 13

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.01 AU - 1.11 AU

Year: 753 Days

Day: 13.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,867,613 km

• M1: 161,715 km (0.063 R)
• M2: 702,512 km (0.118 R)
• M3: 1,337,255 km (0.074 R)
• M4: 1,757,476 km (0.113 R)
• M5: 2,769,057 km (0.103 R)
• M6: 3,605,309 km (0.107 R)
• M7: 4,422,562 km (0.081 R)
• M8: 4,858,490 km (0.074 R)
• M9: 5,896,101 km (0.106 R)
• M10: 6,854,574 km (0.092 R)
• M11: 7,962,795 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654

Radius: 10.3

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.09 AU - 1.53 AU

Year: 1035 Days

Day: 11.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,867,613 km

• M1: 128,056 km (0.107 R)
• M2: 490,681 km (0.112 R)
• M3: 905,815 km (0.03 R)
• M4: 1,293,124 km (0.032 R)
• M5: 2,937,205 km (0.091 R)
• M6: 4,892,898 km (0.098 R)
• M7: 5,350,069 km (0.03 R)
• M8: 6,306,149 km (0.075 R)
• M9: 8,473,971 km (0.106 R)
• M10: 8,800,244 km (0.09 R)
• M11: 9,134,745 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.9

Radius: 13

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.13 AU - 1.63 AU

Year: 1119 Days

Day: 8 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,867,613 km

• M1: 175,030 km (0.092 R)
• M2: 826,977 km (0.091 R)
• M3: 1,257,370 km (0.066 R)
• M4: 1,708,557 km (0.1 R)
• M5: 2,141,942 km (0.089 R)
• M6: 2,550,494 km (0.107 R)
• M7: 2,963,085 km (0.099 R)
• M8: 3,823,422 km (0.101 R)
• M9: 4,895,441 km (0.1 R)
• M10: 6,568,543 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.9

Radius: 14.6

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.38 AU - 1.76 AU

Year: 1358 Days

Day: 14.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 12,867,613 km

• M1: 181,911 km (0.079 R)
• M2: 856,897 km (0.101 R)
• M3: 1,500,616 km (0.113 R)
• M4: 1,967,960 km (0.088 R)
• M5: 3,373,582 km (0.1 R)
• M6: 4,520,698 km (0.092 R)
• M7: 5,267,491 km (0.062 R)
• M8: 6,141,441 km (0.099 R)
• M9: 6,958,545 km (0.119 R)
• M10: 7,874,383 km (0.111 R)
• M11: 11,143,396 km (0.062 R)
• M12: 11,812,996 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.5

Radius: 8.2

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.47 AU - 1.81 AU

Year: 1450 Days

Day: 5.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 12,867,613 km

• M1: 102,026 km (0.055 R)
• M2: 379,380 km (0.065 R)
• M3: 738,864 km (0.117 R)
• M4: 1,024,147 km (0.107 R)
• M5: 1,363,136 km (0.111 R)
• M6: 1,621,940 km (0.06 R)
• M7: 3,083,063 km (0.11 R)
• M8: 3,349,347 km (0.076 R)
• M9: 3,972,272 km (0.093 R)
• M10: 4,637,384 km (0.118 R)
• M11: 5,557,112 km (0.059 R)
• M12: 5,876,354 km (0.12 R)
• M13: 6,718,141 km (0.092 R)
• M14: 7,146,290 km (0.09 R)
• M15: 7,868,998 km (0.039 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.2

Radius: 12.1

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.35 AU - 2.45 AU

Year: 2566 Days

Day: 11.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 12,867,613 km

• M1: 150,495 km (0.055 R)
• M2: 1,014,124 km (0.085 R)
• M3: 2,444,130 km (0.09 R)
• M4: 2,994,650 km (0.087 R)
• M5: 4,202,354 km (0.055 R)
• M6: 5,733,039 km (0.085 R)
• M7: 6,934,011 km (0.065 R)
• M8: 7,905,350 km (0.116 R)
• M9: 12,378,027 km (0.117 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: 461 - 17,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit