🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.5 AU - 0.58 AU

Year: 180 Days

Day: 43.2 Hours

Environment

Temp: 11 °C

Axial Tilt: 6.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 28,261,258 km

• M1: 202,406 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.83 AU - 0.85 AU

Year: 349 Days

Day: 32.7 Hours

Environment

Temp: -65 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.74 AU - 1.12 AU

Year: 406 Days

Day: 22 Hours

Environment

Temp: -64 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,261,258 km

• M1: 42,037 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.9

Radius: 9.9

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.58 AU - 3.94 AU

Year: 2667 Days

Day: 6.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,261,258 km

• M1: 123,119 km (0.099 R)
• M2: 455,226 km (0.06 R)
• M3: 995,723 km (0.07 R)
• M4: 1,324,091 km (0.061 R)
• M5: 1,639,443 km (0.083 R)
• M6: 1,993,392 km (0.109 R)
• M7: 2,426,328 km (0.061 R)
• M8: 3,253,754 km (0.103 R)
• M9: 3,629,843 km (0.114 R)
• M10: 4,279,696 km (0.087 R)
• M11: 5,939,783 km (0.036 R)
• M12: 6,671,766 km (0.085 R)
• M13: 7,523,576 km (0.079 R)
• M14: 9,694,690 km (0.092 R)
• M15: 11,101,658 km (0.063 R)
• M16: 11,626,896 km (0.097 R)
• M17: 13,034,911 km (0.066 R)
• M18: 13,711,094 km (0.09 R)
• M19: 14,221,821 km (0.111 R)
• M20: 15,380,007 km (0.1 R)
• M21: 15,931,425 km (0.105 R)
• M22: 16,862,074 km (0.081 R)
• M23: 18,214,289 km (0.074 R)
• M24: 18,774,982 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.1

Radius: 13.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.01 AU - 5.37 AU

Year: 4601 Days

Day: 6.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,261,258 km

• M1: 169,943 km (0.078 R)
• M2: 752,178 km (0.085 R)
• M3: 1,205,310 km (0.113 R)
• M4: 2,385,936 km (0.04 R)
• M5: 2,849,241 km (0.045 R)
• M6: 3,658,566 km (0.095 R)
• M7: 4,867,466 km (0.09 R)
• M8: 7,092,734 km (0.08 R)
• M9: 7,532,402 km (0.037 R)
• M10: 10,393,761 km (0.077 R)
• M11: 11,186,779 km (0.095 R)
• M12: 11,925,194 km (0.108 R)
• M13: 12,549,017 km (0.1 R)
• M14: 13,143,968 km (0.107 R)
• M15: 13,757,619 km (0.094 R)
• M16: 14,230,497 km (0.113 R)
• M17: 16,115,431 km (0.086 R)
• M18: 17,542,744 km (0.069 R)
• M19: 18,923,831 km (0.067 R)
• M20: 19,509,208 km (0.081 R)
• M21: 20,376,128 km (0.114 R)
• M22: 20,853,494 km (0.073 R)
• M23: 21,408,054 km (0.041 R)
• M24: 23,800,872 km (0.052 R)
• M25: 24,868,103 km (0.112 R)
• M26: 27,675,456 km (0.065 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 19,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit