🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.7

Radius: 10.9

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.46 AU - 0.68 AU

Year: 297 Days

Day: 7.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 21,632,261 km

• M1: 135,536 km (0.103 R)
• M2: 493,673 km (0.102 R)
• M3: 870,959 km (0.066 R)
• M4: 1,821,055 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.3

Radius: 13

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.69 AU - 0.95 AU

Year: 513 Days

Day: 13.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,632,261 km

• M1: 161,715 km (0.083 R)
• M2: 570,117 km (0.072 R)
• M3: 1,762,712 km (0.071 R)
• M4: 2,229,607 km (0.099 R)
• M5: 2,734,200 km (0.083 R)
• M6: 3,377,022 km (0.115 R)
• M7: 4,203,850 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632

Radius: 13.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.76 AU - 1.02 AU

Year: 580 Days

Day: 12.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,632,261 km

• M1: 172,935 km (0.104 R)
• M2: 635,791 km (0.113 R)
• M3: 1,176,138 km (0.098 R)
• M4: 1,812,977 km (0.099 R)
• M5: 2,259,676 km (0.098 R)
• M6: 2,748,711 km (0.092 R)
• M7: 3,200,198 km (0.079 R)
• M8: 4,183,654 km (0.09 R)
• M9: 4,929,100 km (0.071 R)
• M10: 5,549,483 km (0.026 R)
• M11: 6,183,927 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.7

Radius: 8.8

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.74 AU - 1.22 AU

Year: 670 Days

Day: 11.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,632,261 km

• M1: 109,506 km (0.079 R)
• M2: 465,549 km (0.116 R)
• M3: 766,240 km (0.082 R)
• M4: 1,189,153 km (0.079 R)
• M5: 1,556,117 km (0.109 R)
• M6: 1,945,820 km (0.109 R)
• M7: 2,490,805 km (0.1 R)
• M8: 2,788,654 km (0.082 R)
• M9: 3,146,193 km (0.094 R)
• M10: 3,482,339 km (0.092 R)
• M11: 4,942,564 km (0.117 R)
• M12: 5,450,898 km (0.104 R)
• M13: 5,956,538 km (0.108 R)
• M14: 6,813,734 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.4

Radius: 13.2

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.05 AU - 2.91 AU

Year: 2696 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,632,261 km

• M1: 164,109 km (0.073 R)
• M2: 887,564 km (0.096 R)
• M3: 1,418,188 km (0.112 R)
• M4: 2,267,455 km (0.09 R)
• M5: 2,705,328 km (0.088 R)
• M6: 4,309,615 km (0.092 R)
• M7: 4,824,531 km (0.119 R)
• M8: 5,924,824 km (0.074 R)
• M9: 6,534,585 km (0.077 R)
• M10: 7,034,241 km (0.095 R)
• M11: 8,549,967 km (0.112 R)
• M12: 9,851,020 km (0.095 R)
• M13: 14,644,884 km (0.118 R)
• M14: 18,109,271 km (0.071 R)
• M15: 19,939,900 km (0.088 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 10,398 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit