🌌 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 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.41 AU - 0.65 AU

Year: 253 Days

Day: 26.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 44.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.2

Radius: 11.8

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.59 AU - 0.85 AU

Year: 401 Days

Day: 10 Hours

Environment

Temp: -134 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,887,681 km

• M1: 146,756 km (0.086 R)
• M2: 554,111 km (0.045 R)
• M3: 938,876 km (0.041 R)
• M4: 1,564,046 km (0.112 R)
• M5: 2,389,826 km (0.117 R)
• M6: 2,779,828 km (0.096 R)
• M7: 3,212,614 km (0.091 R)
• M8: 3,690,430 km (0.045 R)
• M9: 4,148,798 km (0.069 R)
• M10: 5,073,462 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.6

Radius: 14.2

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.52 AU - 1.58 AU

Year: 1266 Days

Day: 6.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,887,681 km

• M1: 176,675 km (0.096 R)
• M2: 624,272 km (0.083 R)
• M3: 1,252,733 km (0.097 R)
• M4: 1,943,426 km (0.102 R)
• M5: 2,798,677 km (0.086 R)
• M6: 3,468,277 km (0.045 R)
• M7: 4,030,615 km (0.047 R)
• M8: 4,968,295 km (0.056 R)
• M9: 5,752,637 km (0.068 R)
• M10: 6,520,373 km (0.11 R)
• M11: 6,967,521 km (0.113 R)
• M12: 7,461,643 km (0.093 R)
• M13: 9,147,760 km (0.063 R)
• M14: 9,999,122 km (0.112 R)
• M15: 10,868,285 km (0.1 R)
• M16: 11,896,621 km (0.032 R)
• M17: 12,680,963 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.9

Radius: 6

Gravity: 17.22 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.27 AU - 7.43 AU

Year: 10497 Days

Day: 18 Hours

Environment

Temp: -229 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 47,887,681 km

• M1: 74,799 km (0.062 R)
• M2: 270,473 km (0.038 R)
• M3: 563,236 km (0.062 R)
• M4: 777,759 km (0.089 R)
• M5: 1,146,817 km (0.12 R)
• M6: 1,404,724 km (0.068 R)
• M7: 1,685,818 km (0.118 R)
• M8: 1,920,837 km (0.084 R)
• M9: 2,657,008 km (0.09 R)
• M10: 3,227,424 km (0.103 R)
• M11: 5,873,811 km (0.117 R)
• M12: 6,758,832 km (0.055 R)
• M13: 8,029,516 km (0.083 R)
• M14: 9,307,381 km (0.104 R)
• M15: 9,548,982 km (0.045 R)
• M16: 9,794,921 km (0.092 R)
• M17: 10,610,229 km (0.098 R)
• M18: 12,549,915 km (0.091 R)
• M19: 14,072,073 km (0.095 R)
• M20: 17,772,377 km (0.113 R)
• M21: 21,146,407 km (0.075 R)
• M22: 21,564,383 km (0.076 R)
• M23: 22,677,242 km (0.105 R)
• M24: 23,917,857 km (0.111 R)
• M25: 24,371,737 km (0.118 R)
• M26: 28,616,577 km (0.089 R)
• M27: 31,342,998 km (0.035 R)
• M28: 31,668,373 km (0.117 R)
• M29: 32,215,602 km (0.061 R)
• M30: 34,582,989 km (0.065 R)
• M31: 38,409,403 km (0.05 R)
• M32: 39,787,349 km (0.108 R)
• M33: 41,068,355 km (0.12 R)
• M34: 43,982,821 km (0.047 R)
• M35: 45,351,941 km (0.062 R)
• M36: 46,608,264 km (0.069 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 14,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit