🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.49 AU - 0.75 AU

Year: 315 Days

Day: 45.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,664,057 km

• M1: 53,257 km (0.101 R)
• M2: 107,710 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446

Radius: 11

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.87 AU - 1.11 AU

Year: 636 Days

Day: 9.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,664,057 km

• M1: 137,032 km (0.105 R)
• M2: 867,219 km (0.101 R)
• M3: 1,299,856 km (0.088 R)
• M4: 2,284,958 km (0.103 R)
• M5: 3,016,342 km (0.087 R)
• M6: 3,431,177 km (0.078 R)
• M7: 4,174,529 km (0.043 R)
• M8: 5,747,700 km (0.11 R)
• M9: 6,238,231 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.2

Radius: 9.3

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.21 AU - 3.35 AU

Year: 3836 Days

Day: 8.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,664,057 km

• M1: 132,095 km (0.043 R)
• M2: 490,681 km (0.105 R)
• M3: 785,389 km (0.054 R)
• M4: 1,381,536 km (0.099 R)
• M5: 1,932,804 km (0.109 R)
• M6: 4,448,143 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.9

Radius: 7

Gravity: 15.08 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.16 AU - 7.9 AU

Year: 10774 Days

Day: 17.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,664,057 km

• M1: 87,216 km (0.12 R)
• M2: 349,461 km (0.116 R)
• M3: 666,758 km (0.085 R)
• M4: 892,950 km (0.108 R)
• M5: 1,809,087 km (0.085 R)
• M6: 2,186,672 km (0.07 R)
• M7: 2,720,886 km (0.088 R)
• M8: 3,773,457 km (0.111 R)
• M9: 4,102,572 km (0.084 R)
• M10: 5,074,659 km (0.099 R)
• M11: 5,720,024 km (0.088 R)
• M12: 6,380,648 km (0.09 R)
• M13: 6,690,166 km (0.109 R)
• M14: 6,928,775 km (0.068 R)
• M15: 7,593,139 km (0.107 R)
• M16: 11,452,016 km (0.091 R)
• M17: 12,618,730 km (0.079 R)
• M18: 13,481,311 km (0.086 R)
• M19: 15,599,468 km (0.06 R)
• M20: 17,104,273 km (0.075 R)
• M21: 17,326,874 km (0.09 R)
• M22: 17,702,215 km (0.11 R)
• M23: 21,586,075 km (0.079 R)
• M24: 22,372,511 km (0.08 R)
• M25: 23,268,602 km (0.04 R)
• M26: 27,093,072 km (0.114 R)
• M27: 28,525,023 km (0.116 R)
• M28: 38,443,661 km (0.094 R)
• M29: 41,306,366 km (0.096 R)
• M30: 43,475,236 km (0.101 R)
• M31: 47,305,689 km (0.073 R)
• M32: 51,664,073 km (0.109 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 17,986 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit