🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.08 AU - 1.42 AU

Year: 513 Days

Day: 44.9 Hours

Environment

Temp: -9 °C

Axial Tilt: 19.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.28 AU - 1.46 AU

Year: 589 Days

Day: 17.6 Hours

Environment

Temp: -36 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,191,385 km

• M1: 1,235,828 km (0.043 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.54 AU - 2.92 AU

Year: 1656 Days

Day: 47.8 Hours

Environment

Temp: -87 °C

Axial Tilt: 41.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,191,385 km

• M1: 20,196 km (0.103 R)
• M2: 751,879 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845

Radius: 11.9

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.72 AU - 8.36 AU

Year: 6857 Days

Day: 8.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,191,385 km

• M1: 147,952 km (0.11 R)
• M2: 831,914 km (0.091 R)
• M3: 1,515,127 km (0.086 R)
• M4: 1,914,703 km (0.118 R)
• M5: 2,299,020 km (0.036 R)
• M6: 2,953,511 km (0.118 R)
• M7: 3,494,457 km (0.104 R)
• M8: 3,999,200 km (0.03 R)
• M9: 4,635,589 km (0.112 R)
• M10: 5,369,068 km (0.065 R)
• M11: 5,878,000 km (0.113 R)
• M12: 6,919,650 km (0.095 R)
• M13: 7,407,638 km (0.092 R)
• M14: 7,838,330 km (0.099 R)
• M15: 10,058,961 km (0.115 R)
• M16: 11,288,356 km (0.114 R)
• M17: 13,004,992 km (0.084 R)
• M18: 14,341,948 km (0.091 R)
• M19: 17,768,936 km (0.085 R)
• M20: 20,769,121 km (0.084 R)
• M21: 22,026,491 km (0.102 R)
• M22: 23,922,046 km (0.065 R)
• M23: 34,401,676 km (0.066 R)
• M24: 36,608,544 km (0.097 R)
• M25: 39,025,746 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.5

Radius: 12.7

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.82 AU - 7.52 AU

Year: 7048 Days

Day: 8.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,191,385 km

• M1: 158,574 km (0.085 R)
• M2: 791,373 km (0.057 R)
• M3: 1,509,592 km (0.095 R)
• M4: 1,914,105 km (0.075 R)
• M5: 4,039,591 km (0.086 R)
• M6: 4,982,955 km (0.107 R)
• M7: 5,571,324 km (0.094 R)
• M8: 6,068,138 km (0.078 R)
• M9: 6,594,573 km (0.116 R)
• M10: 6,999,834 km (0.107 R)
• M11: 7,500,239 km (0.108 R)
• M12: 8,616,389 km (0.075 R)
• M13: 9,420,028 km (0.115 R)
• M14: 10,321,804 km (0.03 R)
• M15: 10,718,388 km (0.088 R)
• M16: 13,200,516 km (0.115 R)
• M17: 17,819,949 km (0.105 R)
• M18: 22,579,106 km (0.102 R)
• M19: 26,337,902 km (0.069 R)
• M20: 28,317,082 km (0.103 R)
• M21: 29,392,541 km (0.027 R)
• M22: 31,520,870 km (0.094 R)
• M23: 34,737,074 km (0.091 R)
• M24: 37,462,748 km (0.066 R)
• M25: 40,083,852 km (0.098 R)
• M26: 41,314,893 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 10,917 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit