🌌 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 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.5

Radius: 12.3

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.56 AU - 0.72 AU

Year: 360 Days

Day: 13.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,831,110 km

• M1: 153,039 km (0.101 R)
• M2: 638,633 km (0.028 R)
• M3: 1,039,705 km (0.056 R)
• M4: 1,555,369 km (0.102 R)
• M5: 2,070,435 km (0.118 R)
• M6: 2,718,044 km (0.089 R)
• M7: 3,545,320 km (0.1 R)
• M8: 4,946,902 km (0.096 R)
• M9: 5,547,987 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.5

Radius: 13.8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.75 AU - 0.97 AU

Year: 561 Days

Day: 13.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 65.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,831,110 km

• M1: 171,589 km (0.107 R)
• M2: 661,223 km (0.105 R)
• M3: 1,525,150 km (0.104 R)
• M4: 1,973,196 km (0.077 R)
• M5: 2,537,928 km (0.046 R)
• M6: 3,018,436 km (0.085 R)
• M7: 3,548,162 km (0.074 R)
• M8: 4,113,941 km (0.06 R)
• M9: 4,811,516 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.8

Radius: 13.3

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.81 AU - 0.95 AU

Year: 580 Days

Day: 12.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,831,110 km

• M1: 168,298 km (0.114 R)
• M2: 639,381 km (0.07 R)
• M3: 1,251,835 km (0.089 R)
• M4: 1,777,073 km (0.083 R)
• M5: 2,428,871 km (0.031 R)
• M6: 2,998,540 km (0.117 R)
• M7: 3,577,483 km (0.074 R)
• M8: 4,128,452 km (0.076 R)
• M9: 4,593,851 km (0.041 R)
• M10: 6,341,155 km (0.11 R)
• M11: 7,151,825 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.3

Radius: 12.5

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.28 AU - 1.64 AU

Year: 1240 Days

Day: 11.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,831,110 km

• M1: 173,384 km (0.086 R)
• M2: 840,291 km (0.102 R)
• M3: 1,362,388 km (0.114 R)
• M4: 2,371,874 km (0.118 R)
• M5: 3,352,189 km (0.12 R)
• M6: 4,215,369 km (0.119 R)
• M7: 4,845,176 km (0.093 R)
• M8: 5,346,030 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.4

Radius: 13.2

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.26 AU - 2.76 AU

Year: 2795 Days

Day: 5.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,831,110 km

• M1: 164,258 km (0.048 R)
• M2: 1,031,627 km (0.113 R)
• M3: 1,772,585 km (0.079 R)
• M4: 2,271,344 km (0.1 R)
• M5: 2,830,841 km (0.064 R)
• M6: 3,519,739 km (0.116 R)
• M7: 4,518,454 km (0.061 R)
• M8: 5,385,374 km (0.117 R)
• M9: 5,804,996 km (0.109 R)
• M10: 6,274,883 km (0.093 R)
• M11: 6,710,512 km (0.12 R)
• M12: 7,839,377 km (0.063 R)
• M13: 8,554,305 km (0.083 R)
• M14: 10,232,644 km (0.113 R)
• M15: 13,360,436 km (0.089 R)
• M16: 14,084,490 km (0.053 R)
• M17: 14,682,433 km (0.081 R)
• M18: 16,798,794 km (0.095 R)
• M19: 20,218,451 km (0.103 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 18,730 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit