🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.48 AU - 0.78 AU

Year: 185 Days

Day: 20.7 Hours

Environment

Temp: 133 °C

Axial Tilt: 29.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3 AU - 4.92 AU

Year: 2922 Days

Day: 12.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,737,928 km

• M1: 78,240 km (0.065 R)
• M2: 374,892 km (0.087 R)

Asteroid Belt

Center: 4.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.6

Radius: 12.2

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.37 AU - 7.23 AU

Year: 5180 Days

Day: 13.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,737,928 km

• M1: 151,842 km (0.094 R)
• M2: 647,759 km (0.114 R)
• M3: 1,171,800 km (0.103 R)
• M4: 1,559,109 km (0.096 R)
• M5: 2,282,564 km (0.066 R)
• M6: 2,805,858 km (0.055 R)
• M7: 3,495,055 km (0.029 R)
• M8: 4,194,425 km (0.108 R)
• M9: 4,737,914 km (0.105 R)
• M10: 8,193,924 km (0.086 R)
• M11: 10,046,395 km (0.111 R)
• M12: 10,596,915 km (0.118 R)
• M13: 15,448,823 km (0.073 R)
• M14: 16,183,049 km (0.099 R)
• M15: 19,565,457 km (0.104 R)
• M16: 20,207,680 km (0.063 R)
• M17: 21,459,366 km (0.069 R)
• M18: 21,989,541 km (0.025 R)
• M19: 24,689,782 km (0.06 R)
• M20: 27,161,737 km (0.062 R)
• M21: 28,051,097 km (0.111 R)
• M22: 29,051,757 km (0.079 R)
• M23: 31,511,445 km (0.073 R)
• M24: 33,293,605 km (0.095 R)
• M25: 34,209,443 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.8

Radius: 10.7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.64 AU - 10.7 AU

Year: 10298 Days

Day: 11.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 46,737,928 km

• M1: 133,292 km (0.091 R)
• M2: 1,040,304 km (0.087 R)
• M3: 1,589,777 km (0.088 R)
• M4: 2,218,088 km (0.085 R)
• M5: 3,138,264 km (0.077 R)
• M6: 3,710,775 km (0.087 R)
• M7: 4,212,377 km (0.084 R)
• M8: 4,581,285 km (0.096 R)
• M9: 5,127,766 km (0.114 R)
• M10: 5,819,956 km (0.118 R)
• M11: 6,800,121 km (0.098 R)
• M12: 7,512,506 km (0.069 R)
• M13: 8,361,623 km (0.118 R)
• M14: 10,607,835 km (0.112 R)
• M15: 11,079,817 km (0.09 R)
• M16: 11,456,654 km (0.096 R)
• M17: 11,842,018 km (0.076 R)
• M18: 13,289,676 km (0.069 R)
• M19: 18,188,708 km (0.082 R)
• M20: 18,942,082 km (0.115 R)
• M21: 19,637,563 km (0.109 R)
• M22: 24,264,176 km (0.062 R)
• M23: 24,626,652 km (0.065 R)
• M24: 24,992,718 km (0.111 R)
• M25: 29,983,602 km (0.113 R)
• M26: 31,141,041 km (0.078 R)
• M27: 32,767,020 km (0.118 R)
• M28: 36,542,122 km (0.105 R)
• M29: 38,966,057 km (0.098 R)
• M30: 44,943,838 km (0.113 R)
• M31: 46,180,863 km (0.09 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 20,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit