🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.43 AU - 1.69 AU

Year: 708 Days

Day: 17.8 Hours

Environment

Temp: -32 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,971,249 km

• M1: 71,657 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.71 AU - 2.15 AU

Year: 974 Days

Day: 42.6 Hours

Environment

Temp: -51 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,971,249 km

• M1: 768,484 km (0.062 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4 AU - 4.22 AU

Year: 3028 Days

Day: 15.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.5

Radius: 8.2

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.03 AU - 5.99 AU

Year: 4076 Days

Day: 6.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,971,249 km

• M1: 102,175 km (0.049 R)
• M2: 811,269 km (0.094 R)
• M3: 1,250,937 km (0.076 R)
• M4: 1,645,726 km (0.037 R)
• M5: 4,351,054 km (0.109 R)
• M6: 5,286,938 km (0.107 R)
• M7: 6,294,779 km (0.075 R)
• M8: 6,667,427 km (0.057 R)
• M9: 7,054,736 km (0.118 R)
• M10: 7,647,593 km (0.071 R)
• M11: 9,112,006 km (0.103 R)
• M12: 9,440,822 km (0.06 R)
• M13: 10,356,212 km (0.052 R)
• M14: 12,318,487 km (0.07 R)
• M15: 14,516,379 km (0.107 R)
• M16: 15,066,301 km (0.047 R)
• M17: 15,371,929 km (0.115 R)
• M18: 18,544,750 km (0.065 R)
• M19: 21,480,609 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.8

Radius: 8.7

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.76 AU - 8.82 AU

Year: 9471 Days

Day: 13.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,971,249 km

• M1: 108,309 km (0.114 R)
• M2: 381,624 km (0.083 R)
• M3: 731,085 km (0.099 R)
• M4: 1,426,715 km (0.114 R)
• M5: 1,702,723 km (0.091 R)
• M6: 2,244,118 km (0.116 R)
• M7: 2,546,305 km (0.081 R)
• M8: 3,040,577 km (0.06 R)
• M9: 3,503,881 km (0.032 R)
• M10: 3,813,848 km (0.099 R)
• M11: 4,407,452 km (0.074 R)
• M12: 5,181,322 km (0.116 R)
• M13: 6,212,500 km (0.113 R)
• M14: 8,891,948 km (0.091 R)
• M15: 10,411,862 km (0.037 R)
• M16: 12,977,166 km (0.079 R)
• M17: 13,432,692 km (0.097 R)
• M18: 13,957,781 km (0.038 R)
• M19: 15,551,895 km (0.059 R)
• M20: 16,657,723 km (0.103 R)
• M21: 19,987,024 km (0.055 R)
• M22: 23,315,726 km (0.03 R)
• M23: 27,366,537 km (0.109 R)
• M24: 27,833,133 km (0.064 R)
• M25: 37,857,088 km (0.113 R)
• M26: 38,204,155 km (0.071 R)

Kuiper Belt

Range: 30.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 15,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit