🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.3

Radius: 10.2

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.39 AU - 0.65 AU

Year: 250 Days

Day: 7.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,256,172 km

• M1: 126,859 km (0.115 R)
• M2: 541,245 km (0.071 R)
• M3: 907,909 km (0.109 R)
• M4: 1,343,688 km (0.116 R)
• M5: 1,681,031 km (0.109 R)
• M6: 2,033,484 km (0.052 R)
• M7: 2,564,706 km (0.088 R)
• M8: 2,953,511 km (0.079 R)
• M9: 3,341,867 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.5

Radius: 12.6

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.51 AU - 0.57 AU

Year: 265 Days

Day: 5.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,256,172 km

• M1: 156,779 km (0.101 R)
• M2: 549,772 km (0.114 R)
• M3: 1,274,723 km (0.079 R)
• M4: 1,696,889 km (0.091 R)
• M5: 2,467,916 km (0.079 R)
• M6: 2,920,599 km (0.102 R)
• M7: 3,396,620 km (0.065 R)
• M8: 3,889,096 km (0.076 R)
• M9: 4,301,986 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.3

Radius: 14.7

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.84 AU - 0.98 AU

Year: 579 Days

Day: 14.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,256,172 km

• M1: 182,809 km (0.116 R)
• M2: 652,546 km (0.112 R)
• M3: 1,414,897 km (0.118 R)
• M4: 2,315,775 km (0.114 R)
• M5: 2,993,902 km (0.118 R)
• M6: 3,843,768 km (0.064 R)
• M7: 4,800,895 km (0.1 R)
• M8: 5,458,976 km (0.098 R)
• M9: 5,986,757 km (0.101 R)
• M10: 6,508,854 km (0.117 R)
• M11: 7,145,692 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124

Radius: 8.9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.07 AU - 1.13 AU

Year: 769 Days

Day: 12.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 168 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,256,172 km

• M1: 110,702 km (0.082 R)
• M2: 494,571 km (0.07 R)
• M3: 784,790 km (0.098 R)
• M4: 1,095,356 km (0.082 R)
• M5: 1,870,422 km (0.078 R)
• M6: 2,350,931 km (0.114 R)
• M7: 2,952,164 km (0.083 R)
• M8: 3,501,787 km (0.112 R)
• M9: 3,783,330 km (0.095 R)
• M10: 4,143,711 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.2

Radius: 7.2

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.5 AU - 8.08 AU

Year: 11799 Days

Day: 23.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,256,172 km

• M1: 90,058 km (0.097 R)
• M2: 1,583,344 km (0.114 R)
• M3: 2,373,969 km (0.08 R)
• M4: 5,399,885 km (0.036 R)
• M5: 7,151,227 km (0.078 R)
• M6: 9,980,721 km (0.028 R)
• M7: 15,984,832 km (0.112 R)
• M8: 22,773,134 km (0.098 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 16,862 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit