🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.6

Radius: 11.6

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.62 AU - 0.74 AU

Year: 368 Days

Day: 8.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,794,971 km

• M1: 144,212 km (0.063 R)
• M2: 701,464 km (0.093 R)
• M3: 1,097,001 km (0.099 R)
• M4: 1,639,293 km (0.054 R)
• M5: 2,083,898 km (0.088 R)
• M6: 2,993,902 km (0.118 R)
• M7: 3,743,836 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.3

Radius: 10.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.38 AU - 2.28 AU

Year: 1624 Days

Day: 9.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,794,971 km

• M1: 127,158 km (0.087 R)
• M2: 457,171 km (0.086 R)
• M3: 1,823,897 km (0.027 R)
• M4: 4,012,364 km (0.084 R)
• M5: 4,432,884 km (0.099 R)
• M6: 7,582,218 km (0.116 R)
• M7: 8,458,862 km (0.03 R)
• M8: 9,152,996 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.7

Radius: 12.8

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.35 AU - 7.13 AU

Year: 9021 Days

Day: 5.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,794,971 km

• M1: 159,621 km (0.114 R)
• M2: 926,759 km (0.091 R)
• M3: 1,353,262 km (0.114 R)
• M4: 2,853,879 km (0.089 R)
• M5: 4,767,086 km (0.077 R)
• M6: 5,267,191 km (0.107 R)
• M7: 5,802,004 km (0.092 R)
• M8: 7,586,557 km (0.073 R)
• M9: 8,809,968 km (0.04 R)
• M10: 9,420,926 km (0.11 R)
• M11: 14,074,317 km (0.033 R)
• M12: 14,975,944 km (0.109 R)
• M13: 16,681,359 km (0.083 R)
• M14: 17,544,389 km (0.036 R)
• M15: 21,048,271 km (0.067 R)
• M16: 21,632,301 km (0.102 R)
• M17: 22,313,121 km (0.084 R)
• M18: 26,604,785 km (0.115 R)
• M19: 27,882,500 km (0.035 R)
• M20: 32,733,660 km (0.064 R)
• M21: 34,200,467 km (0.087 R)
• M22: 35,592,924 km (0.027 R)
• M23: 38,863,582 km (0.06 R)
• M24: 40,764,672 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838

Radius: 6.9

Gravity: 17.6 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 6.62 AU - 10.6 AU

Year: 16573 Days

Day: 19.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,794,971 km

• M1: 86,767 km (0.084 R)
• M2: 981,212 km (0.118 R)
• M3: 1,528,890 km (0.099 R)
• M4: 1,852,919 km (0.106 R)
• M5: 3,266,918 km (0.074 R)
• M6: 4,956,177 km (0.117 R)
• M7: 6,111,372 km (0.118 R)
• M8: 9,431,248 km (0.072 R)
• M9: 10,226,959 km (0.089 R)
• M10: 12,344,816 km (0.114 R)
• M11: 13,088,168 km (0.085 R)
• M12: 17,341,984 km (0.051 R)
• M13: 18,533,680 km (0.116 R)
• M14: 21,653,245 km (0.088 R)
• M15: 24,367,100 km (0.105 R)
• M16: 28,327,254 km (0.08 R)
• M17: 35,040,010 km (0.077 R)
• M18: 35,980,981 km (0.057 R)
• M19: 45,856,086 km (0.113 R)
• M20: 65,330,587 km (0.058 R)
• M21: 71,151,590 km (0.077 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 15,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit