🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.7

Radius: 10.7

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.47 AU - 0.55 AU

Year: 251 Days

Day: 12.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,725,234 km

• M1: 134,638 km (0.03 R)
• M2: 498,460 km (0.095 R)
• M3: 933,192 km (0.053 R)
• M4: 1,363,585 km (0.098 R)
• M5: 1,736,532 km (0.12 R)
• M6: 2,157,351 km (0.069 R)
• M7: 2,726,421 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.3

Radius: 8.8

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.4 AU - 0.62 AU

Year: 251 Days

Day: 8.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,725,234 km

• M1: 112,946 km (0.092 R)
• M2: 416,929 km (0.12 R)
• M3: 737,667 km (0.076 R)
• M4: 1,070,672 km (0.111 R)
• M5: 1,386,922 km (0.113 R)
• M6: 1,754,633 km (0.114 R)
• M7: 2,039,468 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.5

Radius: 12.2

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.49 AU - 0.63 AU

Year: 289 Days

Day: 5.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,725,234 km

• M1: 151,692 km (0.077 R)
• M2: 612,902 km (0.087 R)
• M3: 1,268,291 km (0.05 R)
• M4: 1,667,567 km (0.067 R)
• M5: 2,192,955 km (0.071 R)
• M6: 2,655,661 km (0.095 R)
• M7: 3,047,757 km (0.093 R)
• M8: 3,926,047 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98

Radius: 8.6

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.78 AU - 1.14 AU

Year: 649 Days

Day: 7.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,725,234 km

• M1: 107,112 km (0.068 R)
• M2: 454,329 km (0.109 R)
• M3: 2,265,061 km (0.034 R)
• M4: 2,775,489 km (0.067 R)
• M5: 3,298,783 km (0.07 R)
• M6: 3,628,048 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.9

Radius: 13.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.96 AU - 4.52 AU

Year: 6026 Days

Day: 15 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,725,234 km

• M1: 171,589 km (0.096 R)
• M2: 681,717 km (0.064 R)
• M3: 1,380,938 km (0.071 R)
• M4: 2,712,808 km (0.086 R)
• M5: 5,585,536 km (0.105 R)
• M6: 8,935,331 km (0.07 R)
• M7: 10,960,886 km (0.105 R)
• M8: 12,471,376 km (0.108 R)
• M9: 13,222,058 km (0.105 R)
• M10: 13,664,270 km (0.11 R)
• M11: 14,695,896 km (0.118 R)
• M12: 15,655,866 km (0.1 R)
• M13: 16,529,817 km (0.067 R)
• M14: 16,978,910 km (0.106 R)
• M15: 18,238,823 km (0.099 R)
• M16: 19,418,402 km (0.092 R)
• M17: 19,918,508 km (0.102 R)
• M18: 21,852,210 km (0.04 R)
• M19: 24,071,494 km (0.111 R)
• M20: 26,875,557 km (0.077 R)
• M21: 29,701,909 km (0.046 R)
• M22: 31,725,520 km (0.083 R)
• M23: 32,320,321 km (0.061 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 15,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit