🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.2

Radius: 15

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.5 AU - 0.58 AU

Year: 274 Days

Day: 8.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,841,323 km

• M1: 186,549 km (0.04 R)
• M2: 785,389 km (0.111 R)
• M3: 1,433,148 km (0.078 R)
• M4: 2,081,355 km (0.037 R)
• M5: 2,600,909 km (0.062 R)
• M6: 3,579,877 km (0.071 R)
• M7: 4,193,528 km (0.11 R)
• M8: 4,863,128 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.9

Radius: 11.4

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.52 AU - 0.74 AU

Year: 345 Days

Day: 13.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,841,323 km

• M1: 141,819 km (0.055 R)
• M2: 513,569 km (0.073 R)
• M3: 871,108 km (0.116 R)
• M4: 1,304,643 km (0.081 R)
• M5: 1,882,988 km (0.102 R)
• M6: 2,254,440 km (0.104 R)
• M7: 2,694,706 km (0.109 R)
• M8: 3,337,229 km (0.116 R)
• M9: 4,264,587 km (0.111 R)
• M10: 4,752,724 km (0.03 R)
• M11: 5,387,618 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.3

Radius: 10.2

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.8 AU - 0.9 AU

Year: 541 Days

Day: 10.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 38,841,323 km

• M1: 126,859 km (0.059 R)
• M2: 510,278 km (0.044 R)
• M3: 1,799,812 km (0.094 R)
• M4: 3,121,509 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.9

Radius: 13

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.2 AU - 3.44 AU

Year: 3269 Days

Day: 12.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,841,323 km

• M1: 161,865 km (0.117 R)
• M2: 661,223 km (0.086 R)
• M3: 1,150,408 km (0.107 R)
• M4: 2,082,552 km (0.109 R)
• M5: 4,763,495 km (0.069 R)
• M6: 5,268,687 km (0.117 R)
• M7: 5,979,128 km (0.081 R)
• M8: 7,966,984 km (0.108 R)
• M9: 8,718,414 km (0.111 R)
• M10: 10,197,788 km (0.079 R)
• M11: 12,913,737 km (0.105 R)
• M12: 13,549,528 km (0.055 R)
• M13: 14,831,133 km (0.082 R)
• M14: 15,913,324 km (0.073 R)
• M15: 16,701,705 km (0.086 R)
• M16: 17,693,838 km (0.087 R)
• M17: 18,663,082 km (0.085 R)
• M18: 20,906,602 km (0.105 R)

Asteroid Belt

Center: 6.25 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.6

Radius: 7.2

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.84 AU - 10.5 AU

Year: 20756 Days

Day: 19.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,841,323 km

• M1: 89,609 km (0.056 R)
• M2: 1,266,496 km (0.106 R)
• M3: 2,068,340 km (0.11 R)
• M4: 5,990,348 km (0.12 R)
• M5: 9,015,815 km (0.072 R)
• M6: 17,781,053 km (0.103 R)
• M7: 18,621,045 km (0.066 R)
• M8: 19,560,819 km (0.093 R)
• M9: 36,228,416 km (0.096 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 15,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit