🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.15 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.06 AU - 2.54 AU

Year: 1343 Days

Day: 33.8 Hours

Environment

Temp: -93 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.12 AU - 2.54 AU

Year: 1369 Days

Day: 12.5 Hours

Environment

Temp: -91 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218

Radius: 11.5

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.13 AU - 5.25 AU

Year: 4552 Days

Day: 13.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,579,377 km

• M1: 188,194 km (0.12 R)
• M2: 833,859 km (0.099 R)
• M3: 2,177,247 km (0.11 R)
• M4: 2,768,608 km (0.06 R)
• M5: 3,555,193 km (0.034 R)
• M6: 3,971,674 km (0.084 R)
• M7: 4,442,159 km (0.117 R)
• M8: 5,349,321 km (0.053 R)
• M9: 6,652,019 km (0.113 R)
• M10: 7,438,156 km (0.06 R)
• M11: 10,096,211 km (0.076 R)
• M12: 11,094,627 km (0.108 R)
• M13: 12,932,736 km (0.096 R)
• M14: 14,820,661 km (0.098 R)
• M15: 15,455,854 km (0.093 R)
• M16: 17,417,231 km (0.079 R)
• M17: 18,290,733 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.5

Radius: 9.6

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.57 AU - 7.97 AU

Year: 7547 Days

Day: 9.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 44,579,377 km

• M1: 119,678 km (0.039 R)
• M2: 549,024 km (0.096 R)
• M3: 1,617,602 km (0.107 R)
• M4: 2,125,337 km (0.114 R)
• M5: 2,578,319 km (0.112 R)
• M6: 3,116,872 km (0.067 R)
• M7: 3,728,727 km (0.045 R)
• M8: 4,944,658 km (0.101 R)
• M9: 6,479,682 km (0.091 R)
• M10: 7,316,533 km (0.101 R)
• M11: 8,266,629 km (0.066 R)
• M12: 8,571,659 km (0.096 R)
• M13: 9,020,303 km (0.071 R)
• M14: 10,260,619 km (0.11 R)
• M15: 11,130,979 km (0.094 R)
• M16: 14,788,498 km (0.109 R)
• M17: 15,173,862 km (0.089 R)
• M18: 16,645,007 km (0.107 R)
• M19: 16,992,074 km (0.09 R)
• M20: 17,344,078 km (0.106 R)
• M21: 17,989,892 km (0.069 R)
• M22: 20,416,818 km (0.058 R)
• M23: 21,380,677 km (0.087 R)
• M24: 22,543,202 km (0.115 R)
• M25: 25,449,291 km (0.101 R)
• M26: 28,596,231 km (0.058 R)
• M27: 29,094,542 km (0.093 R)
• M28: 30,006,341 km (0.06 R)
• M29: 32,964,788 km (0.104 R)
• M30: 35,996,539 km (0.113 R)
• M31: 39,948,466 km (0.084 R)
• M32: 40,696,754 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 18,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit