🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.3

Radius: 10.9

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.59 AU - 0.85 AU

Year: 388 Days

Day: 6.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,742,886 km

• M1: 135,536 km (0.107 R)
• M2: 528,828 km (0.109 R)
• M3: 897,288 km (0.05 R)
• M4: 1,317,060 km (0.069 R)
• M5: 1,881,044 km (0.109 R)
• M6: 2,315,027 km (0.071 R)
• M7: 2,756,490 km (0.075 R)
• M8: 3,272,753 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.1

Radius: 13.3

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.49 AU - 3.23 AU

Year: 3075 Days

Day: 6.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,742,886 km

• M1: 169,195 km (0.079 R)
• M2: 790,026 km (0.046 R)
• M3: 1,332,319 km (0.059 R)
• M4: 2,285,257 km (0.077 R)
• M5: 3,071,693 km (0.091 R)
• M6: 4,418,972 km (0.078 R)
• M7: 5,162,024 km (0.106 R)
• M8: 5,733,039 km (0.053 R)
• M9: 7,133,425 km (0.074 R)
• M10: 9,629,765 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.2

Radius: 11.4

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.12 AU - 3.66 AU

Year: 3969 Days

Day: 11.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,742,886 km

• M1: 141,968 km (0.094 R)
• M2: 573,558 km (0.112 R)
• M3: 1,193,791 km (0.077 R)
• M4: 1,862,493 km (0.068 R)
• M5: 2,820,518 km (0.078 R)
• M6: 3,329,749 km (0.032 R)
• M7: 3,789,613 km (0.067 R)
• M8: 4,863,427 km (0.096 R)
• M9: 6,313,928 km (0.076 R)
• M10: 7,889,493 km (0.083 R)
• M11: 9,102,731 km (0.092 R)
• M12: 12,925,854 km (0.075 R)
• M13: 15,672,322 km (0.071 R)
• M14: 16,430,185 km (0.047 R)
• M15: 17,396,437 km (0.117 R)
• M16: 18,528,145 km (0.103 R)
• M17: 18,916,202 km (0.058 R)
• M18: 22,582,846 km (0.116 R)
• M19: 24,312,347 km (0.116 R)
• M20: 26,862,990 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.9

Radius: 10.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.87 AU - 5.91 AU

Year: 6875 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,742,886 km

• M1: 131,796 km (0.073 R)
• M2: 623,225 km (0.096 R)
• M3: 1,103,284 km (0.091 R)
• M4: 1,554,172 km (0.053 R)
• M5: 2,156,902 km (0.116 R)
• M6: 3,992,019 km (0.086 R)
• M7: 4,986,845 km (0.092 R)
• M8: 6,560,615 km (0.072 R)
• M9: 9,422,422 km (0.08 R)
• M10: 9,808,833 km (0.053 R)
• M11: 10,985,121 km (0.084 R)
• M12: 13,889,564 km (0.043 R)
• M13: 15,194,506 km (0.101 R)
• M14: 16,332,796 km (0.079 R)
• M15: 17,462,709 km (0.094 R)
• M16: 18,443,473 km (0.107 R)
• M17: 19,460,589 km (0.111 R)
• M18: 20,657,970 km (0.076 R)
• M19: 27,217,986 km (0.095 R)
• M20: 28,714,414 km (0.104 R)
• M21: 30,079,494 km (0.096 R)
• M22: 32,256,143 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 15,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit