🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.51 AU - 0.57 AU

Year: 146 Days

Day: 25.8 Hours

Environment

Temp: 234 °C

Axial Tilt: 36.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.54 AU - 0.68 AU

Year: 176 Days

Day: 16.8 Hours

Environment

Temp: 129 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 65,108,541 km

• M1: 48,021 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1 AU - 1.24 AU

Year: 437 Days

Day: 34.6 Hours

Environment

Temp: 8 °C

Axial Tilt: 26 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.19 AU - 3.01 AU

Year: 1547 Days

Day: 25.9 Hours

Environment

Temp: -95 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,108,541 km

• M1: 135,386 km (0.075 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.1 AU - 3.22 AU

Year: 1601 Days

Day: 30.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,108,541 km

• M1: 33,061 km (0.077 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.35 AU - 3.47 AU

Year: 1832 Days

Day: 12.7 Hours

Environment

Temp: -97 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 65,108,541 km

• M1: 149,299 km (0.1 R)
• M2: 2,118,306 km (0.102 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.87 AU - 3.59 AU

Year: 2142 Days

Day: 35 Hours

Environment

Temp: -113 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.27 AU - 3.47 AU

Year: 2283 Days

Day: 23.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.8

Radius: 14.7

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.31 AU - 8.17 AU

Year: 6456 Days

Day: 7.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,108,541 km

• M1: 185,352 km (0.102 R)
• M2: 885,470 km (0.107 R)
• M3: 1,343,688 km (0.076 R)
• M4: 1,839,156 km (0.101 R)
• M5: 2,390,873 km (0.092 R)
• M6: 3,516,448 km (0.059 R)
• M7: 4,301,238 km (0.094 R)
• M8: 4,859,687 km (0.118 R)
• M9: 5,466,605 km (0.113 R)
• M10: 5,994,536 km (0.083 R)
• M11: 6,556,575 km (0.109 R)
• M12: 8,828,219 km (0.102 R)
• M13: 10,467,363 km (0.1 R)
• M14: 11,483,881 km (0.042 R)
• M15: 12,042,030 km (0.12 R)
• M16: 12,512,216 km (0.117 R)
• M17: 13,826,284 km (0.118 R)
• M18: 15,049,995 km (0.087 R)
• M19: 15,967,478 km (0.094 R)
• M20: 26,324,887 km (0.105 R)
• M21: 27,476,641 km (0.095 R)
• M22: 29,314,002 km (0.063 R)
• M23: 30,262,901 km (0.092 R)
• M24: 31,036,621 km (0.114 R)
• M25: 33,437,218 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.4

Radius: 7.9

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 11.38 AU - 13.26 AU

Year: 15955 Days

Day: 17.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,108,541 km

• M1: 103,821 km (0.1 R)
• M2: 359,633 km (0.075 R)
• M3: 809,474 km (0.109 R)
• M4: 2,520,575 km (0.103 R)
• M5: 3,106,101 km (0.058 R)
• M6: 3,609,497 km (0.046 R)
• M7: 4,166,002 km (0.063 R)
• M8: 5,486,352 km (0.114 R)
• M9: 5,750,093 km (0.075 R)
• M10: 6,221,925 km (0.112 R)
• M11: 7,109,639 km (0.072 R)
• M12: 9,942,125 km (0.086 R)
• M13: 10,680,091 km (0.028 R)
• M14: 11,948,532 km (0.107 R)
• M15: 13,654,695 km (0.092 R)
• M16: 14,070,428 km (0.086 R)
• M17: 15,073,182 km (0.056 R)
• M18: 16,665,502 km (0.093 R)
• M19: 17,060,590 km (0.099 R)
• M20: 18,200,077 km (0.104 R)
• M21: 19,476,296 km (0.111 R)
• M22: 24,565,915 km (0.069 R)
• M23: 25,181,062 km (0.067 R)
• M24: 26,656,097 km (0.039 R)
• M25: 33,508,427 km (0.088 R)
• M26: 33,759,452 km (0.082 R)
• M27: 38,082,232 km (0.083 R)
• M28: 40,446,926 km (0.09 R)
• M29: 40,731,461 km (0.074 R)
• M30: 41,737,656 km (0.105 R)
• M31: 47,018,461 km (0.045 R)
• M32: 52,897,358 km (0.106 R)
• M33: 64,138,292 km (0.112 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: 532 - 19,863 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit