🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.97 AU - 1.39 AU

Year: 485 Days

Day: 36.5 Hours

Environment

Temp: -1 °C

Axial Tilt: 15.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.7 AU - 2.46 AU

Year: 1136 Days

Day: 40.6 Hours

Environment

Temp: -91 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.45 AU - 3.11 AU

Year: 1756 Days

Day: 43.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,589,811 km

• M1: 511,924 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.5

Radius: 13.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.26 AU - 6.26 AU

Year: 4569 Days

Day: 12.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,589,811 km

• M1: 171,589 km (0.108 R)
• M2: 625,170 km (0.114 R)
• M3: 1,153,250 km (0.118 R)
• M4: 3,320,175 km (0.112 R)
• M5: 4,509,777 km (0.058 R)
• M6: 5,163,520 km (0.115 R)
• M7: 8,730,382 km (0.073 R)
• M8: 10,456,442 km (0.089 R)
• M9: 11,198,149 km (0.064 R)
• M10: 12,257,152 km (0.094 R)
• M11: 12,738,109 km (0.087 R)
• M12: 13,281,598 km (0.111 R)
• M13: 13,943,718 km (0.114 R)
• M14: 16,581,727 km (0.103 R)
• M15: 18,265,750 km (0.081 R)
• M16: 20,460,800 km (0.062 R)
• M17: 20,933,679 km (0.094 R)
• M18: 23,262,170 km (0.052 R)
• M19: 24,300,379 km (0.071 R)
• M20: 25,291,914 km (0.051 R)
• M21: 26,151,802 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.5

Radius: 9.6

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.97 AU - 7.37 AU

Year: 5805 Days

Day: 6.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,589,811 km

• M1: 121,174 km (0.065 R)
• M2: 808,876 km (0.092 R)
• M3: 1,684,921 km (0.11 R)
• M4: 2,645,638 km (0.1 R)
• M5: 3,935,621 km (0.071 R)
• M6: 4,719,364 km (0.107 R)
• M7: 6,184,974 km (0.114 R)
• M8: 6,770,500 km (0.112 R)
• M9: 7,168,730 km (0.076 R)
• M10: 7,544,370 km (0.073 R)
• M11: 9,136,391 km (0.042 R)
• M12: 10,891,922 km (0.109 R)
• M13: 11,541,177 km (0.117 R)
• M14: 14,576,517 km (0.111 R)
• M15: 15,426,682 km (0.078 R)
• M16: 17,159,325 km (0.049 R)
• M17: 17,832,814 km (0.095 R)
• M18: 18,384,082 km (0.049 R)
• M19: 19,448,471 km (0.118 R)
• M20: 23,130,972 km (0.06 R)
• M21: 24,035,890 km (0.115 R)
• M22: 24,793,753 km (0.072 R)
• M23: 27,163,084 km (0.075 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 14,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit