🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.39 AU - 1.57 AU

Year: 528 Days

Day: 41.2 Hours

Environment

Temp: 132 °C

Axial Tilt: 37.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 114,105,926 km

• M1: 301,889 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.29 AU - 1.91 AU

Year: 594 Days

Day: 14.4 Hours

Environment

Temp: 126 °C

Axial Tilt: 18.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.74 AU - 3.76 AU

Year: 1719 Days

Day: 18 Hours

Environment

Temp: -35 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 15.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.3

Radius: 8.6

Gravity: 12.77 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 11.58 AU - 18.74 AU

Year: 17317 Days

Day: 11.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 114,105,926 km

• M1: 106,962 km (0.101 R)
• M2: 533,017 km (0.095 R)
• M3: 2,554,084 km (0.058 R)
• M4: 3,691,178 km (0.052 R)
• M5: 4,389,202 km (0.116 R)
• M6: 5,286,190 km (0.096 R)
• M7: 5,717,631 km (0.073 R)
• M8: 10,661,391 km (0.035 R)
• M9: 11,936,863 km (0.052 R)
• M10: 13,598,147 km (0.069 R)
• M11: 16,126,501 km (0.063 R)
• M12: 17,629,959 km (0.1 R)
• M13: 18,682,829 km (0.108 R)
• M14: 26,797,018 km (0.106 R)
• M15: 29,020,192 km (0.051 R)
• M16: 31,744,519 km (0.116 R)
• M17: 35,452,601 km (0.077 R)
• M18: 35,866,239 km (0.074 R)
• M19: 59,927,112 km (0.083 R)
• M20: 60,907,875 km (0.058 R)
• M21: 63,507,438 km (0.082 R)
• M22: 73,523,314 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 24.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.9

Radius: 6.2

Gravity: 18.31 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 24.65 AU - 24.95 AU

Year: 36233 Days

Day: 15.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 114,105,926 km

• M1: 79,287 km (0.077 R)
• M2: 417,528 km (0.071 R)
• M3: 698,772 km (0.101 R)
• M4: 1,118,094 km (0.063 R)
• M5: 1,341,594 km (0.095 R)
• M6: 1,633,758 km (0.118 R)
• M7: 1,990,250 km (0.068 R)
• M8: 3,280,681 km (0.111 R)
• M9: 4,598,489 km (0.073 R)
• M10: 5,622,038 km (0.095 R)
• M11: 6,187,069 km (0.115 R)
• M12: 7,936,017 km (0.086 R)
• M13: 8,954,779 km (0.081 R)
• M14: 10,193,300 km (0.067 R)
• M15: 10,818,170 km (0.084 R)
• M16: 11,991,616 km (0.031 R)
• M17: 14,075,664 km (0.118 R)
• M18: 16,483,292 km (0.05 R)
• M19: 16,957,517 km (0.086 R)
• M20: 21,642,174 km (0.102 R)
• M21: 22,210,646 km (0.105 R)
• M22: 36,567,853 km (0.094 R)
• M23: 47,417,439 km (0.093 R)
• M24: 52,950,466 km (0.103 R)
• M25: 65,749,760 km (0.091 R)
• M26: 70,352,438 km (0.038 R)
• M27: 80,463,908 km (0.098 R)

Kuiper Belt

Range: 37.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 17,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit