🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.45 AU - 0.57 AU

Year: 239 Days

Day: 27.8 Hours

Environment

Temp: -113 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 15,726,299 km

• M1: 86,019 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.6

Radius: 10.9

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.85 AU - 0.89 AU

Year: 532 Days

Day: 8.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,726,299 km

• M1: 135,536 km (0.105 R)
• M2: 480,209 km (0.111 R)
• M3: 852,857 km (0.108 R)
• M4: 1,360,593 km (0.101 R)
• M5: 1,849,628 km (0.108 R)
• M6: 2,494,844 km (0.058 R)
• M7: 3,090,393 km (0.052 R)
• M8: 3,819,832 km (0.105 R)
• M9: 4,819,744 km (0.05 R)
• M10: 5,200,620 km (0.052 R)
• M11: 6,951,514 km (0.094 R)

Asteroid Belt

Center: 1.75 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.3

Radius: 9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.39 AU - 2.87 AU

Year: 2798 Days

Day: 5.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,726,299 km

• M1: 129,103 km (0.119 R)
• M2: 475,572 km (0.099 R)
• M3: 1,362,388 km (0.067 R)
• M4: 1,833,621 km (0.107 R)
• M5: 2,306,650 km (0.115 R)
• M6: 4,638,282 km (0.11 R)
• M7: 6,460,982 km (0.107 R)
• M8: 7,080,467 km (0.079 R)
• M9: 7,896,374 km (0.052 R)
• M10: 8,190,932 km (0.069 R)
• M11: 10,786,605 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.9

Radius: 13.1

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.4 AU - 3.64 AU

Year: 3443 Days

Day: 7.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 15,726,299 km

• M1: 165,156 km (0.102 R)
• M2: 852,857 km (0.05 R)
• M3: 1,346,231 km (0.086 R)
• M4: 1,776,176 km (0.077 R)
• M5: 3,053,741 km (0.105 R)
• M6: 4,166,450 km (0.116 R)
• M7: 4,716,522 km (0.028 R)
• M8: 5,911,509 km (0.089 R)
• M9: 7,817,386 km (0.105 R)
• M10: 10,710,011 km (0.102 R)
• M11: 12,417,371 km (0.095 R)
• M12: 14,678,693 km (0.102 R)
• M13: 17,523,446 km (0.108 R)
• M14: 18,122,735 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.6

Radius: 13.2

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.5 AU - 4 AU

Year: 4764 Days

Day: 5.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 15,726,299 km

• M1: 164,109 km (0.109 R)
• M2: 1,620,444 km (0.074 R)
• M3: 2,454,901 km (0.069 R)
• M4: 7,549,157 km (0.115 R)
• M5: 8,042,681 km (0.12 R)
• M6: 8,526,779 km (0.101 R)
• M7: 10,376,557 km (0.106 R)
• M8: 11,395,917 km (0.109 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: 419 - 14,281 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit