🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.57 AU - 0.71 AU

Year: 225 Days

Day: 42.8 Hours

Environment

Temp: 10 °C

Axial Tilt: 1.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.08 AU - 1.72 AU

Year: 728 Days

Day: 41.6 Hours

Environment

Temp: -91 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,781,056 km

• M1: 587,022 km (0.115 R)

Asteroid Belt

Center: 2.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.9

Radius: 13.5

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.18 AU - 4.18 AU

Year: 3758 Days

Day: 6.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,781,056 km

• M1: 167,849 km (0.093 R)
• M2: 658,380 km (0.099 R)
• M3: 1,123,630 km (0.086 R)
• M4: 2,092,725 km (0.076 R)
• M5: 3,174,616 km (0.097 R)
• M6: 3,726,034 km (0.076 R)
• M7: 4,481,503 km (0.083 R)
• M8: 5,663,775 km (0.109 R)
• M9: 6,238,830 km (0.097 R)
• M10: 6,758,084 km (0.099 R)
• M11: 8,059,286 km (0.092 R)
• M12: 8,788,277 km (0.113 R)
• M13: 9,246,644 km (0.106 R)
• M14: 11,828,853 km (0.114 R)
• M15: 12,435,921 km (0.057 R)
• M16: 15,237,590 km (0.097 R)
• M17: 18,312,724 km (0.111 R)
• M18: 22,128,367 km (0.071 R)
• M19: 24,445,788 km (0.039 R)
• M20: 25,278,450 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.7

Radius: 12

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.67 AU - 5.03 AU

Year: 4697 Days

Day: 12.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,781,056 km

• M1: 149,299 km (0.03 R)
• M2: 588,368 km (0.117 R)
• M3: 1,362,837 km (0.111 R)
• M4: 2,062,805 km (0.113 R)
• M5: 2,462,680 km (0.094 R)
• M6: 3,098,322 km (0.116 R)
• M7: 3,751,017 km (0.079 R)
• M8: 5,195,983 km (0.088 R)
• M9: 5,896,998 km (0.118 R)
• M10: 8,017,099 km (0.118 R)
• M11: 9,117,093 km (0.102 R)
• M12: 9,720,720 km (0.103 R)
• M13: 11,045,260 km (0.092 R)
• M14: 14,182,327 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.2

Radius: 9.6

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.22 AU - 6.16 AU

Year: 5199 Days

Day: 6.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,781,056 km

• M1: 119,379 km (0.081 R)
• M2: 460,313 km (0.098 R)
• M3: 798,703 km (0.075 R)
• M4: 1,430,305 km (0.036 R)
• M5: 1,894,807 km (0.047 R)
• M6: 2,381,748 km (0.095 R)
• M7: 2,967,872 km (0.059 R)
• M8: 3,468,427 km (0.064 R)
• M9: 3,874,734 km (0.111 R)
• M10: 4,591,009 km (0.098 R)
• M11: 9,058,450 km (0.073 R)
• M12: 9,517,417 km (0.08 R)
• M13: 10,482,024 km (0.102 R)
• M14: 12,841,032 km (0.07 R)
• M15: 14,893,665 km (0.1 R)
• M16: 15,696,407 km (0.076 R)
• M17: 16,811,360 km (0.05 R)
• M18: 18,217,879 km (0.093 R)
• M19: 19,764,871 km (0.089 R)
• M20: 22,907,024 km (0.061 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 13,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit