🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.5 AU - 0.6 AU

Year: 148 Days

Day: 30.6 Hours

Environment

Temp: 214 °C

Axial Tilt: 11.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,936,586 km

• M1: 28,274 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.49 AU - 0.61 AU

Year: 148 Days

Day: 43.8 Hours

Environment

Temp: 250 °C

Axial Tilt: 34.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,936,586 km

• M1: 15,708 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.5 AU - 0.76 AU

Year: 181 Days

Day: 24.9 Hours

Environment

Temp: 166 °C

Axial Tilt: 36.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,936,586 km

• M1: 210,634 km (0.087 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.59 AU - 0.93 AU

Year: 240 Days

Day: 32.7 Hours

Environment

Temp: 148 °C

Axial Tilt: 16.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,936,586 km

• M1: 94,097 km (0.1 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.73 AU - 0.95 AU

Year: 278 Days

Day: 34 Hours

Environment

Temp: 171 °C

Axial Tilt: 33.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 47,936,586 km

• M1: 243,097 km (0.12 R)
• M2: 416,480 km (0.071 R)

Planet 6 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.81 AU - 1.17 AU

Year: 356 Days

Day: 23.4 Hours

Environment

Temp: 39 °C

Axial Tilt: 22.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 7 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2 AU - 3.01 AU

Year: 1430 Days

Day: 33 Hours

Environment

Temp: -86 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,936,586 km

• M1: 263,891 km (0.113 R)

Planet 8 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.47 AU - 3.31 AU

Year: 1777 Days

Day: 16.7 Hours

Environment

Temp: -91 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.1

Radius: 10.5

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.72 AU - 6.24 AU

Year: 5289 Days

Day: 8.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,936,586 km

• M1: 130,599 km (0.117 R)
• M2: 516,113 km (0.075 R)
• M3: 1,085,183 km (0.11 R)
• M4: 1,532,481 km (0.094 R)
• M5: 2,115,763 km (0.101 R)
• M6: 2,549,746 km (0.083 R)
• M7: 3,748,025 km (0.095 R)
• M8: 4,558,546 km (0.104 R)
• M9: 7,626,499 km (0.107 R)
• M10: 10,892,670 km (0.089 R)
• M11: 13,286,984 km (0.111 R)
• M12: 13,804,892 km (0.106 R)
• M13: 14,936,300 km (0.097 R)
• M14: 18,065,738 km (0.109 R)
• M15: 21,185,153 km (0.097 R)
• M16: 23,956,603 km (0.084 R)
• M17: 25,271,419 km (0.112 R)
• M18: 26,552,276 km (0.109 R)
• M19: 26,961,276 km (0.09 R)
• M20: 28,128,888 km (0.104 R)

Planet 10 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.6

Radius: 11.4

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.56 AU - 9.22 AU

Year: 9586 Days

Day: 13.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,936,586 km

• M1: 141,968 km (0.113 R)
• M2: 518,357 km (0.089 R)
• M3: 915,838 km (0.095 R)
• M4: 1,752,389 km (0.051 R)
• M5: 2,334,774 km (0.094 R)
• M6: 2,806,007 km (0.065 R)
• M7: 4,268,925 km (0.097 R)
• M8: 5,868,724 km (0.102 R)
• M9: 7,137,165 km (0.1 R)
• M10: 10,778,227 km (0.055 R)
• M11: 11,922,801 km (0.084 R)
• M12: 13,511,231 km (0.074 R)
• M13: 14,452,351 km (0.086 R)
• M14: 15,774,647 km (0.09 R)
• M15: 16,186,639 km (0.106 R)
• M16: 17,759,062 km (0.09 R)
• M17: 18,582,300 km (0.114 R)
• M18: 19,196,997 km (0.074 R)
• M19: 22,217,677 km (0.089 R)
• M20: 22,910,316 km (0.091 R)
• M21: 24,247,421 km (0.108 R)
• M22: 26,590,872 km (0.113 R)
• M23: 27,273,188 km (0.092 R)
• M24: 28,571,249 km (0.103 R)
• M25: 29,287,074 km (0.106 R)
• M26: 38,834,410 km (0.111 R)
• M27: 39,586,589 km (0.088 R)
• M28: 40,348,341 km (0.088 R)
• M29: 41,119,817 km (0.107 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 17,056 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit