🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.54 AU - 0.68 AU

Year: 177 Days

Day: 21.2 Hours

Environment

Temp: 219 °C

Axial Tilt: 1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 40,137,688 km

• M1: 62,233 km (0.038 R)
• M2: 148,999 km (0.049 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.58 AU - 0.9 AU

Year: 236 Days

Day: 47.3 Hours

Environment

Temp: 100 °C

Axial Tilt: 125.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.77 AU - 1.29 AU

Year: 388 Days

Day: 23.2 Hours

Environment

Temp: 14 °C

Axial Tilt: 27.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 40,137,688 km

• M1: 52,958 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.25 AU - 1.91 AU

Year: 737 Days

Day: 19.1 Hours

Environment

Temp: -42 °C

Axial Tilt: 50 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,137,688 km

• M1: 909,256 km (0.047 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.21 AU - 2.51 AU

Year: 1345 Days

Day: 42.9 Hours

Environment

Temp: -94 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,137,688 km

• M1: 96,640 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.9

Radius: 9.5

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.35 AU - 6.29 AU

Year: 5207 Days

Day: 9.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,137,688 km

• M1: 121,473 km (0.097 R)
• M2: 493,523 km (0.104 R)
• M3: 940,821 km (0.072 R)
• M4: 1,245,701 km (0.079 R)
• M5: 1,670,859 km (0.058 R)
• M6: 1,990,400 km (0.084 R)
• M7: 2,378,457 km (0.06 R)
• M8: 4,031,812 km (0.111 R)
• M9: 6,207,863 km (0.112 R)
• M10: 7,638,916 km (0.102 R)
• M11: 9,525,046 km (0.104 R)
• M12: 10,518,974 km (0.087 R)
• M13: 13,961,670 km (0.047 R)
• M14: 15,487,868 km (0.065 R)
• M15: 18,644,233 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.7

Radius: 8.9

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.16 AU - 10.32 AU

Year: 10416 Days

Day: 11 Hours

Environment

Temp: -166 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,137,688 km

• M1: 110,702 km (0.105 R)
• M2: 519,703 km (0.104 R)
• M3: 1,008,290 km (0.107 R)
• M4: 1,725,911 km (0.069 R)
• M5: 2,377,110 km (0.111 R)
• M6: 3,033,994 km (0.119 R)
• M7: 4,509,777 km (0.118 R)
• M8: 5,546,191 km (0.089 R)
• M9: 6,171,511 km (0.074 R)
• M10: 6,483,721 km (0.063 R)
• M11: 10,456,592 km (0.112 R)
• M12: 10,901,346 km (0.106 R)
• M13: 11,513,950 km (0.102 R)
• M14: 12,976,119 km (0.06 R)
• M15: 14,436,793 km (0.091 R)
• M16: 15,745,924 km (0.12 R)
• M17: 16,396,375 km (0.079 R)
• M18: 18,742,668 km (0.112 R)
• M19: 19,105,593 km (0.061 R)
• M20: 19,696,056 km (0.101 R)
• M21: 21,461,610 km (0.044 R)
• M22: 22,504,905 km (0.103 R)
• M23: 24,432,923 km (0.079 R)
• M24: 31,790,146 km (0.118 R)
• M25: 32,514,798 km (0.083 R)
• M26: 34,973,589 km (0.062 R)
• M27: 36,416,759 km (0.07 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 17,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit