🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314

Radius: 8

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.53 AU - 0.67 AU

Year: 310 Days

Day: 6.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,879,402 km

• M1: 101,577 km (0.077 R)
• M2: 360,381 km (0.114 R)
• M3: 676,781 km (0.106 R)
• M4: 990,637 km (0.077 R)
• M5: 1,358,349 km (0.053 R)
• M6: 1,619,995 km (0.105 R)
• M7: 1,895,255 km (0.114 R)
• M8: 2,157,201 km (0.097 R)
• M9: 2,419,147 km (0.1 R)
• M10: 2,906,836 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.2

Radius: 13.7

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.66 AU - 0.76 AU

Year: 399 Days

Day: 14.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,879,402 km

• M1: 170,691 km (0.11 R)
• M2: 649,404 km (0.095 R)
• M3: 1,105,977 km (0.102 R)
• M4: 1,758,074 km (0.11 R)
• M5: 2,238,583 km (0.089 R)
• M6: 2,797,480 km (0.114 R)
• M7: 3,345,008 km (0.109 R)
• M8: 3,938,014 km (0.06 R)
• M9: 5,321,047 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.1

Radius: 12.6

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.69 AU - 1.07 AU

Year: 550 Days

Day: 10.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,879,402 km

• M1: 156,629 km (0.083 R)
• M2: 612,454 km (0.079 R)
• M3: 1,067,082 km (0.117 R)
• M4: 1,716,785 km (0.114 R)
• M5: 2,163,784 km (0.04 R)
• M6: 2,609,136 km (0.058 R)
• M7: 3,138,264 km (0.118 R)
• M8: 3,933,227 km (0.119 R)
• M9: 4,329,213 km (0.108 R)
• M10: 5,413,498 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.7

Radius: 9.8

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1 AU - 1.1 AU

Year: 717 Days

Day: 5.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,879,402 km

• M1: 121,922 km (0.054 R)
• M2: 445,652 km (0.092 R)
• M3: 973,284 km (0.066 R)
• M4: 1,448,257 km (0.088 R)
• M5: 1,765,255 km (0.062 R)
• M6: 2,081,206 km (0.097 R)
• M7: 2,516,087 km (0.116 R)
• M8: 3,222,338 km (0.12 R)
• M9: 4,314,253 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.9

Radius: 10.2

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.45 AU - 2.11 AU

Year: 1584 Days

Day: 7 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,879,402 km

• M1: 127,009 km (0.082 R)
• M2: 582,983 km (0.097 R)
• M3: 1,401,283 km (0.092 R)
• M4: 1,885,382 km (0.046 R)
• M5: 2,557,824 km (0.091 R)
• M6: 3,213,362 km (0.029 R)
• M7: 3,965,092 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.5

Radius: 11.5

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.16 AU - 2.98 AU

Year: 2747 Days

Day: 6.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,879,402 km

• M1: 143,016 km (0.101 R)
• M2: 519,404 km (0.105 R)
• M3: 1,167,911 km (0.036 R)
• M4: 1,852,620 km (0.083 R)
• M5: 2,952,464 km (0.12 R)
• M6: 3,381,061 km (0.076 R)
• M7: 3,796,944 km (0.07 R)
• M8: 4,188,890 km (0.097 R)
• M9: 4,669,847 km (0.104 R)
• M10: 5,368,469 km (0.105 R)
• M11: 7,056,681 km (0.104 R)
• M12: 8,007,376 km (0.055 R)
• M13: 9,438,878 km (0.058 R)
• M14: 9,813,321 km (0.054 R)
• M15: 11,184,386 km (0.058 R)
• M16: 12,113,688 km (0.115 R)
• M17: 13,603,234 km (0.043 R)
• M18: 14,303,052 km (0.055 R)
• M19: 15,165,185 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.5

Radius: 10.1

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.38 AU - 6.66 AU

Year: 8648 Days

Day: 12 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,879,402 km

• M1: 141,520 km (0.101 R)
• M2: 595,848 km (0.06 R)
• M3: 1,253,181 km (0.088 R)
• M4: 1,676,244 km (0.093 R)
• M5: 2,389,078 km (0.116 R)
• M6: 2,746,767 km (0.088 R)
• M7: 3,530,360 km (0.05 R)
• M8: 6,379,152 km (0.058 R)
• M9: 9,987,154 km (0.067 R)
• M10: 10,363,093 km (0.1 R)
• M11: 11,010,852 km (0.115 R)
• M12: 12,772,965 km (0.079 R)
• M13: 13,978,275 km (0.116 R)
• M14: 15,039,224 km (0.116 R)
• M15: 16,613,891 km (0.117 R)
• M16: 17,142,570 km (0.041 R)
• M17: 19,113,671 km (0.082 R)
• M18: 21,300,044 km (0.109 R)
• M19: 22,560,256 km (0.102 R)
• M20: 23,136,208 km (0.065 R)
• M21: 23,721,734 km (0.036 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: 499 - 11,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit