🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.1

Radius: 12.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.73 AU - 0.73 AU

Year: 397 Days

Day: 14.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,889,718 km

• M1: 153,039 km (0.055 R)
• M2: 752,028 km (0.083 R)
• M3: 1,463,366 km (0.098 R)
• M4: 1,929,065 km (0.084 R)
• M5: 2,660,449 km (0.061 R)
• M6: 3,076,480 km (0.059 R)
• M7: 4,017,750 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.2

Radius: 10.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.87 AU - 1.27 AU

Year: 704 Days

Day: 13.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 64 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,889,718 km

• M1: 134,488 km (0.098 R)
• M2: 486,343 km (0.074 R)
• M3: 822,938 km (0.089 R)
• M4: 1,245,701 km (0.097 R)
• M5: 2,036,027 km (0.079 R)
• M6: 2,488,112 km (0.057 R)
• M7: 3,432,673 km (0.052 R)
• M8: 4,049,764 km (0.103 R)
• M9: 5,488,147 km (0.095 R)
• M10: 5,837,459 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.3

Radius: 12.1

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.23 AU - 1.75 AU

Year: 1156 Days

Day: 14 Hours

Environment

Temp: -184 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,889,718 km

• M1: 154,684 km (0.09 R)
• M2: 806,333 km (0.117 R)
• M3: 1,309,430 km (0.108 R)
• M4: 1,980,975 km (0.09 R)
• M5: 2,784,615 km (0.061 R)
• M6: 3,409,635 km (0.054 R)
• M7: 4,564,680 km (0.09 R)
• M8: 5,595,559 km (0.102 R)
• M9: 7,291,550 km (0.082 R)
• M10: 8,037,445 km (0.114 R)
• M11: 8,429,092 km (0.102 R)
• M12: 9,536,415 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.8

Radius: 13.8

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.11 AU - 2.55 AU

Year: 2261 Days

Day: 9.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,889,718 km

• M1: 171,888 km (0.103 R)
• M2: 618,737 km (0.098 R)
• M3: 1,971,102 km (0.1 R)
• M4: 2,622,301 km (0.102 R)
• M5: 4,501,998 km (0.081 R)
• M6: 5,475,880 km (0.111 R)
• M7: 6,155,803 km (0.076 R)
• M8: 6,702,284 km (0.07 R)
• M9: 7,481,390 km (0.095 R)
• M10: 8,989,336 km (0.063 R)
• M11: 9,485,103 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.9

Radius: 8.5

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.24 AU - 2.72 AU

Year: 2483 Days

Day: 8.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,889,718 km

• M1: 105,766 km (0.107 R)
• M2: 799,301 km (0.09 R)
• M3: 1,851,872 km (0.094 R)
• M4: 2,370,229 km (0.037 R)
• M5: 3,146,492 km (0.118 R)
• M6: 3,827,910 km (0.049 R)
• M7: 4,582,482 km (0.067 R)
• M8: 4,983,853 km (0.027 R)
• M9: 5,986,009 km (0.09 R)
• M10: 6,659,648 km (0.113 R)
• M11: 8,714,674 km (0.108 R)
• M12: 12,474,966 km (0.083 R)
• M13: 12,862,874 km (0.091 R)
• M14: 14,637,404 km (0.066 R)
• M15: 15,757,293 km (0.079 R)
• M16: 18,387,074 km (0.059 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 19,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit