🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.12 AU - 1.16 AU

Year: 442 Days

Day: 40.5 Hours

Environment

Temp: 1 °C

Axial Tilt: 6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.82 AU - 4.52 AU

Year: 3095 Days

Day: 12.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,835,988 km

• M1: 141,071 km (0.113 R)

Asteroid Belt

Center: 5.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.8

Radius: 13.5

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.44 AU - 7.78 AU

Year: 6176 Days

Day: 11.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 103,835,988 km

• M1: 167,849 km (0.12 R)
• M2: 734,226 km (0.097 R)
• M3: 1,189,303 km (0.097 R)
• M4: 1,941,780 km (0.09 R)
• M5: 2,625,891 km (0.106 R)
• M6: 4,037,497 km (0.097 R)
• M7: 4,615,693 km (0.112 R)
• M8: 5,099,941 km (0.057 R)
• M9: 5,809,484 km (0.031 R)
• M10: 6,832,883 km (0.119 R)
• M11: 9,640,685 km (0.11 R)
• M12: 11,633,179 km (0.081 R)
• M13: 12,589,708 km (0.117 R)
• M14: 13,087,271 km (0.055 R)
• M15: 13,597,848 km (0.111 R)
• M16: 16,353,890 km (0.112 R)
• M17: 19,390,128 km (0.078 R)
• M18: 19,905,642 km (0.046 R)
• M19: 22,139,587 km (0.089 R)
• M20: 23,358,361 km (0.1 R)
• M21: 26,107,671 km (0.089 R)
• M22: 27,745,468 km (0.113 R)
• M23: 29,065,969 km (0.057 R)
• M24: 32,653,625 km (0.05 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.2

Radius: 5.3

Gravity: 34.08 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 14.78 AU - 20.54 AU

Year: 26972 Days

Day: 16.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 103,835,988 km

• M1: 66,122 km (0.104 R)
• M2: 409,150 km (0.116 R)
• M3: 584,778 km (0.071 R)
• M4: 811,868 km (0.09 R)
• M5: 1,806,843 km (0.07 R)
• M6: 3,097,873 km (0.101 R)
• M7: 5,451,047 km (0.105 R)
• M8: 6,657,554 km (0.066 R)
• M9: 11,328,149 km (0.11 R)
• M10: 14,825,747 km (0.075 R)
• M11: 16,135,178 km (0.059 R)
• M12: 18,289,536 km (0.106 R)
• M13: 19,081,807 km (0.074 R)
• M14: 19,283,465 km (0.069 R)
• M15: 25,522,145 km (0.059 R)
• M16: 28,040,924 km (0.116 R)
• M17: 29,093,196 km (0.112 R)
• M18: 32,550,851 km (0.073 R)
• M19: 42,974,232 km (0.087 R)
• M20: 44,725,275 km (0.114 R)
• M21: 49,880,568 km (0.051 R)
• M22: 54,806,078 km (0.053 R)
• M23: 56,863,796 km (0.065 R)
• M24: 59,615,051 km (0.101 R)
• M25: 66,762,687 km (0.033 R)
• M26: 73,962,833 km (0.117 R)
• M27: 90,732,156 km (0.112 R)
• M28: 94,189,512 km (0.096 R)
• M29: 97,434,739 km (0.05 R)

Kuiper Belt

Range: 30.2 - 45.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 14,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit