🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.48 AU - 0.72 AU

Year: 305 Days

Day: 35.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,479,685 km

• M1: 340,186 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.7

Radius: 9.7

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.82 AU - 1.24 AU

Year: 686 Days

Day: 10 Hours

Environment

Temp: -161 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,479,685 km

• M1: 120,576 km (0.067 R)
• M2: 542,442 km (0.083 R)
• M3: 952,340 km (0.118 R)
• M4: 1,484,011 km (0.066 R)
• M5: 1,862,045 km (0.117 R)
• M6: 2,491,553 km (0.068 R)
• M7: 2,838,769 km (0.111 R)
• M8: 3,180,301 km (0.086 R)
• M9: 3,549,060 km (0.11 R)
• M10: 4,110,650 km (0.116 R)
• M11: 4,501,101 km (0.086 R)
• M12: 4,865,072 km (0.106 R)
• M13: 5,302,497 km (0.107 R)
• M14: 5,823,396 km (0.079 R)
• M15: 6,378,105 km (0.109 R)
• M16: 7,011,054 km (0.106 R)
• M17: 8,134,534 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.7

Radius: 12.9

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.58 AU - 3.14 AU

Year: 3173 Days

Day: 9.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,479,685 km

• M1: 166,054 km (0.089 R)
• M2: 568,023 km (0.057 R)
• M3: 969,843 km (0.11 R)
• M4: 1,643,931 km (0.039 R)
• M5: 2,071,183 km (0.078 R)
• M6: 2,643,694 km (0.106 R)
• M7: 3,370,590 km (0.034 R)
• M8: 4,868,214 km (0.094 R)
• M9: 9,028,680 km (0.113 R)
• M10: 10,639,550 km (0.097 R)
• M11: 11,988,175 km (0.042 R)
• M12: 13,361,184 km (0.111 R)
• M13: 15,116,117 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.8

Radius: 9.7

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.96 AU - 4.4 AU

Year: 4631 Days

Day: 13.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,479,685 km

• M1: 124,316 km (0.083 R)
• M2: 449,841 km (0.082 R)
• M3: 763,548 km (0.118 R)
• M4: 1,533,229 km (0.108 R)
• M5: 3,852,145 km (0.061 R)
• M6: 5,219,171 km (0.083 R)
• M7: 7,502,184 km (0.047 R)
• M8: 7,854,038 km (0.026 R)
• M9: 8,686,400 km (0.06 R)
• M10: 9,273,123 km (0.099 R)
• M11: 10,635,212 km (0.117 R)
• M12: 11,848,750 km (0.101 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: 490 - 18,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit