🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.8

Radius: 9.8

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.44 AU - 0.74 AU

Year: 313 Days

Day: 13.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,297,889 km

• M1: 123,867 km (0.097 R)
• M2: 446,849 km (0.059 R)
• M3: 840,890 km (0.113 R)
• M4: 1,313,918 km (0.103 R)
• M5: 1,622,539 km (0.112 R)
• M6: 2,133,415 km (0.062 R)
• M7: 3,436,562 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.2

Radius: 11

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.86 AU - 2.76 AU

Year: 2423 Days

Day: 8.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,297,889 km

• M1: 136,882 km (0.051 R)
• M2: 488,587 km (0.096 R)
• M3: 968,347 km (0.062 R)
• M4: 1,345,633 km (0.083 R)
• M5: 1,921,884 km (0.101 R)
• M6: 2,920,599 km (0.1 R)
• M7: 3,501,637 km (0.079 R)
• M8: 4,275,358 km (0.111 R)
• M9: 4,809,272 km (0.107 R)
• M10: 5,574,017 km (0.11 R)
• M11: 6,085,641 km (0.099 R)
• M12: 6,522,766 km (0.09 R)
• M13: 7,900,862 km (0.092 R)
• M14: 8,998,013 km (0.111 R)
• M15: 10,122,989 km (0.065 R)
• M16: 10,518,077 km (0.106 R)
• M17: 11,531,752 km (0.036 R)
• M18: 11,883,756 km (0.075 R)
• M19: 12,568,166 km (0.1 R)
• M20: 13,364,176 km (0.09 R)
• M21: 14,237,977 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.1

Radius: 12.9

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.61 AU - 2.91 AU

Year: 3165 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,297,889 km

• M1: 162,463 km (0.074 R)
• M2: 633,397 km (0.113 R)
• M3: 1,102,237 km (0.046 R)
• M4: 1,559,558 km (0.118 R)
• M5: 2,028,248 km (0.088 R)
• M6: 3,454,364 km (0.118 R)
• M7: 4,420,617 km (0.081 R)
• M8: 5,747,251 km (0.108 R)
• M9: 6,464,423 km (0.109 R)
• M10: 7,723,738 km (0.062 R)
• M11: 8,978,415 km (0.112 R)
• M12: 10,258,824 km (0.103 R)
• M13: 11,390,681 km (0.057 R)
• M14: 12,045,770 km (0.113 R)
• M15: 13,858,747 km (0.108 R)
• M16: 14,650,568 km (0.119 R)
• M17: 15,241,031 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.3

Radius: 5.1

Gravity: 22.93 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.44 AU - 8.44 AU

Year: 14008 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,297,889 km

• M1: 64,776 km (0.1 R)
• M2: 268,379 km (0.118 R)
• M3: 487,839 km (0.104 R)
• M4: 990,338 km (0.104 R)
• M5: 1,735,634 km (0.05 R)
• M6: 3,922,157 km (0.053 R)
• M7: 10,662,887 km (0.066 R)
• M8: 11,521,878 km (0.069 R)
• M9: 16,073,394 km (0.053 R)
• M10: 18,540,412 km (0.117 R)
• M11: 33,986,542 km (0.062 R)
• M12: 56,784,360 km (0.094 R)
• M13: 56,955,201 km (0.085 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 18,406 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit