🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.1 AU - 1.64 AU

Year: 572 Days

Day: 15.1 Hours

Environment

Temp: -4 °C

Axial Tilt: 31.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.21 AU - 2.63 AU

Year: 1342 Days

Day: 21.4 Hours

Environment

Temp: -76 °C

Axial Tilt: 66.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.7

Radius: 11.9

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.3 AU - 11.92 AU

Year: 10619 Days

Day: 6.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,979,873 km

• M1: 147,952 km (0.086 R)
• M2: 626,067 km (0.102 R)
• M3: 1,091,316 km (0.062 R)
• M4: 1,761,515 km (0.093 R)
• M5: 2,710,265 km (0.098 R)
• M6: 4,046,174 km (0.034 R)
• M7: 5,116,247 km (0.091 R)
• M8: 6,467,565 km (0.106 R)
• M9: 7,771,310 km (0.101 R)
• M10: 8,242,693 km (0.039 R)
• M11: 8,733,075 km (0.102 R)
• M12: 9,113,652 km (0.09 R)
• M13: 10,557,720 km (0.093 R)
• M14: 14,414,503 km (0.111 R)
• M15: 15,127,636 km (0.116 R)
• M16: 18,631,816 km (0.111 R)
• M17: 19,549,899 km (0.108 R)
• M18: 22,093,810 km (0.028 R)
• M19: 25,531,569 km (0.036 R)
• M20: 28,012,201 km (0.1 R)
• M21: 28,749,420 km (0.042 R)
• M22: 33,964,850 km (0.113 R)
• M23: 34,592,264 km (0.105 R)
• M24: 35,870,577 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468

Radius: 6

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 18.25 AU - 20.67 AU

Year: 30599 Days

Day: 17.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,979,873 km

• M1: 75,098 km (0.103 R)
• M2: 345,721 km (0.119 R)
• M3: 1,303,596 km (0.057 R)
• M4: 2,005,359 km (0.053 R)
• M5: 2,748,861 km (0.048 R)
• M6: 3,952,077 km (0.108 R)
• M7: 7,292,148 km (0.094 R)
• M8: 7,962,047 km (0.099 R)
• M9: 9,784,449 km (0.073 R)
• M10: 10,217,235 km (0.058 R)
• M11: 12,007,323 km (0.087 R)
• M12: 14,308,588 km (0.056 R)
• M13: 16,109,746 km (0.088 R)
• M14: 22,199,426 km (0.118 R)
• M15: 25,750,880 km (0.105 R)
• M16: 30,049,275 km (0.117 R)
• M17: 39,256,127 km (0.101 R)
• M18: 52,206,515 km (0.107 R)
• M19: 62,750,024 km (0.026 R)
• M20: 77,509,649 km (0.035 R)
• M21: 86,601,011 km (0.031 R)

Kuiper Belt

Range: 30.8 - 52.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 18,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit