🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.54 AU - 0.72 AU

Year: 323 Days

Day: 46.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.6

Radius: 10.3

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.06 AU - 1.08 AU

Year: 715 Days

Day: 13.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,518,017 km

• M1: 128,056 km (0.091 R)
• M2: 462,706 km (0.12 R)
• M3: 860,487 km (0.041 R)
• M4: 1,497,475 km (0.118 R)
• M5: 2,027,201 km (0.116 R)
• M6: 2,425,879 km (0.05 R)
• M7: 3,097,424 km (0.117 R)
• M8: 3,844,665 km (0.031 R)
• M9: 4,946,753 km (0.115 R)
• M10: 5,487,100 km (0.1 R)
• M11: 6,268,300 km (0.085 R)
• M12: 7,507,420 km (0.112 R)
• M13: 7,906,846 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552

Radius: 9.1

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.08 AU - 1.32 AU

Year: 849 Days

Day: 12.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,518,017 km

• M1: 113,246 km (0.086 R)
• M2: 583,432 km (0.045 R)
• M3: 867,368 km (0.116 R)
• M4: 1,437,037 km (0.112 R)
• M5: 1,797,867 km (0.117 R)
• M6: 2,269,400 km (0.09 R)
• M7: 3,181,797 km (0.084 R)
• M8: 3,586,160 km (0.116 R)
• M9: 4,498,707 km (0.087 R)
• M10: 5,009,434 km (0.087 R)
• M11: 5,371,162 km (0.099 R)
• M12: 6,167,322 km (0.109 R)
• M13: 6,477,588 km (0.118 R)
• M14: 7,287,660 km (0.052 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.3

Radius: 5.7

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.76 AU - 11.88 AU

Year: 19869 Days

Day: 21.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,518,017 km

• M1: 71,209 km (0.093 R)
• M2: 265,985 km (0.109 R)
• M3: 522,246 km (0.091 R)
• M4: 712,535 km (0.09 R)
• M5: 1,076,955 km (0.062 R)
• M6: 1,676,095 km (0.079 R)
• M7: 1,913,207 km (0.112 R)
• M8: 2,119,054 km (0.076 R)
• M9: 3,529,014 km (0.067 R)
• M10: 3,760,591 km (0.045 R)
• M11: 4,428,247 km (0.081 R)
• M12: 7,474,209 km (0.073 R)
• M13: 9,818,707 km (0.076 R)
• M14: 10,698,193 km (0.111 R)
• M15: 10,966,571 km (0.115 R)
• M16: 12,671,987 km (0.044 R)
• M17: 15,345,899 km (0.052 R)
• M18: 16,385,455 km (0.076 R)
• M19: 21,606,121 km (0.073 R)
• M20: 22,733,192 km (0.055 R)
• M21: 25,769,430 km (0.098 R)
• M22: 31,631,871 km (0.092 R)
• M23: 33,882,721 km (0.086 R)
• M24: 38,952,742 km (0.072 R)
• M25: 39,715,841 km (0.087 R)
• M26: 41,140,910 km (0.103 R)
• M27: 41,667,345 km (0.114 R)
• M28: 46,895,641 km (0.093 R)
• M29: 47,326,034 km (0.096 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: 522 - 12,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit